WO2006022387A1 - 半導体装置及びそれを用いたモジュール - Google Patents
半導体装置及びそれを用いたモジュール Download PDFInfo
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- WO2006022387A1 WO2006022387A1 PCT/JP2005/015575 JP2005015575W WO2006022387A1 WO 2006022387 A1 WO2006022387 A1 WO 2006022387A1 JP 2005015575 W JP2005015575 W JP 2005015575W WO 2006022387 A1 WO2006022387 A1 WO 2006022387A1
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M7/00—Conversion of AC power input into DC power output; Conversion of DC power input into AC power output
- H02M7/42—Conversion of DC power input into AC power output without possibility of reversal
- H02M7/44—Conversion of DC power input into AC power output without possibility of reversal by static converters
- H02M7/48—Conversion of DC power input into AC power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M7/53—Conversion of DC power input into AC power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
- H02M7/537—Conversion of DC power input into AC power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters
- H02M7/538—Conversion of DC power input into AC power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters in a push-pull configuration
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/06—Modifications for ensuring a fully conducting state
- H03K17/063—Modifications for ensuring a fully conducting state in field-effect transistor switches
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/51—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used
- H03K17/56—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices
- H03K17/687—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices the devices being field-effect transistors
- H03K17/6871—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices the devices being field-effect transistors the output circuit comprising more than one controlled field-effect transistor
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D84/00—Integrated devices formed in or on semiconductor substrates that comprise only semiconducting layers, e.g. on Si wafers or on GaAs-on-Si wafers
- H10D84/01—Manufacture or treatment
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D84/00—Integrated devices formed in or on semiconductor substrates that comprise only semiconducting layers, e.g. on Si wafers or on GaAs-on-Si wafers
- H10D84/01—Manufacture or treatment
- H10D84/0123—Integrating together multiple components covered by H10D12/00 or H10D30/00, e.g. integrating multiple IGBTs
- H10D84/0126—Integrating together multiple components covered by H10D12/00 or H10D30/00, e.g. integrating multiple IGBTs the components including insulated gates, e.g. IGFETs
- H10D84/0158—Integrating together multiple components covered by H10D12/00 or H10D30/00, e.g. integrating multiple IGBTs the components including insulated gates, e.g. IGFETs the components including FinFETs
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D84/00—Integrated devices formed in or on semiconductor substrates that comprise only semiconducting layers, e.g. on Si wafers or on GaAs-on-Si wafers
- H10D84/01—Manufacture or treatment
- H10D84/02—Manufacture or treatment characterised by using material-based technologies
- H10D84/03—Manufacture or treatment characterised by using material-based technologies using Group IV technology, e.g. silicon technology or silicon-carbide [SiC] technology
- H10D84/035—Manufacture or treatment characterised by using material-based technologies using Group IV technology, e.g. silicon technology or silicon-carbide [SiC] technology using silicon carbide [SiC] technology
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D84/00—Integrated devices formed in or on semiconductor substrates that comprise only semiconducting layers, e.g. on Si wafers or on GaAs-on-Si wafers
- H10D84/01—Manufacture or treatment
- H10D84/02—Manufacture or treatment characterised by using material-based technologies
- H10D84/05—Manufacture or treatment characterised by using material-based technologies using Group III-V technology
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D84/00—Integrated devices formed in or on semiconductor substrates that comprise only semiconducting layers, e.g. on Si wafers or on GaAs-on-Si wafers
- H10D84/80—Integrated devices formed in or on semiconductor substrates that comprise only semiconducting layers, e.g. on Si wafers or on GaAs-on-Si wafers characterised by the integration of at least one component covered by groups H10D12/00 or H10D30/00, e.g. integration of IGFETs
- H10D84/811—Combinations of field-effect devices and one or more diodes, capacitors or resistors
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M7/00—Conversion of AC power input into DC power output; Conversion of DC power input into AC power output
- H02M7/003—Constructional details, e.g. physical layout, assembly, wiring or busbar connections
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
- H10W72/00—Interconnections or connectors in packages
- H10W72/851—Dispositions of multiple connectors or interconnections
- H10W72/874—On different surfaces
- H10W72/884—Die-attach connectors and bond wires
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
- H10W72/00—Interconnections or connectors in packages
- H10W72/90—Bond pads, in general
- H10W72/921—Structures or relative sizes of bond pads
- H10W72/926—Multiple bond pads having different sizes
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
- H10W90/00—Package configurations
- H10W90/701—Package configurations characterised by the relative positions of pads or connectors relative to package parts
- H10W90/731—Package configurations characterised by the relative positions of pads or connectors relative to package parts of die-attach connectors
- H10W90/732—Package configurations characterised by the relative positions of pads or connectors relative to package parts of die-attach connectors between stacked chips
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
- H10W90/00—Package configurations
- H10W90/701—Package configurations characterised by the relative positions of pads or connectors relative to package parts
- H10W90/731—Package configurations characterised by the relative positions of pads or connectors relative to package parts of die-attach connectors
- H10W90/734—Package configurations characterised by the relative positions of pads or connectors relative to package parts of die-attach connectors between a chip and a stacked insulating package substrate, interposer or RDL
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
- H10W90/00—Package configurations
- H10W90/701—Package configurations characterised by the relative positions of pads or connectors relative to package parts
- H10W90/731—Package configurations characterised by the relative positions of pads or connectors relative to package parts of die-attach connectors
- H10W90/736—Package configurations characterised by the relative positions of pads or connectors relative to package parts of die-attach connectors between a chip and a stacked lead frame, conducting package substrate or heat sink
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
- H10W90/00—Package configurations
- H10W90/701—Package configurations characterised by the relative positions of pads or connectors relative to package parts
- H10W90/751—Package configurations characterised by the relative positions of pads or connectors relative to package parts of bond wires
- H10W90/753—Package configurations characterised by the relative positions of pads or connectors relative to package parts of bond wires between laterally-adjacent chips
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
- H10W90/00—Package configurations
- H10W90/701—Package configurations characterised by the relative positions of pads or connectors relative to package parts
- H10W90/751—Package configurations characterised by the relative positions of pads or connectors relative to package parts of bond wires
- H10W90/756—Package configurations characterised by the relative positions of pads or connectors relative to package parts of bond wires between a chip and a stacked lead frame, conducting package substrate or heat sink
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/10—Technologies improving the efficiency by using switched-mode power supplies [SMPS], i.e. efficient power electronics conversion e.g. power factor correction or reduction of losses in power supplies or efficient standby modes
Definitions
- the present invention relates to a semiconductor device configured using a wide band gap semiconductor such as silicon carbide (SiC), GaN, diamond, and a module using the same.
- SiC silicon carbide
- GaN GaN
- diamond a module using the same.
- FIG. 10 shows a conceptual diagram of an inverter used for motor control as an example of a module using a conventional semiconductor device.
- a semiconductor element power element
- the control circuit 3 and power switching elements 5H and 5L that handle high voltage and large current supplied from the high voltage power supply 4 are integrated into a single chip, or are widely used industrially because it is difficult to mount them in the same package.
- the ICs and modules that have been produced have had little power.
- the power ICs and modules that are formed with the current Si semiconductor technology! Are made using a complex process that uses insulation isolation technology that electrically separates low-voltage and high-voltage devices. It is formed.
- IPM intelligent 'power' module
- IPM intelligent 'power' module
- the gate drive circuit 6 of the power switching element 5H needs to operate in a high potential state floating with respect to the ground potential, and the high potential floating power source 7 is also required. This is because the potential at the connection between the high-side power switching element 5H connected to the load and the low-side power switching element 5L constantly fluctuates depending on the state of the power switching element. This is because it is necessary to control the switching by applying a gate potential to the power switching element 5H on the high side. For this purpose, a level shift technique is required for transferring a signal based on the ground potential sent from the control circuit 3 to the gate drive circuit 6 in the high potential floating state.
- Patent Document 1 Japanese Patent Laid-Open No. 10-027853
- Patent Document 2 Japanese Patent Laid-Open No. 06-260601
- Patent Document 3 Japanese Patent Application Laid-Open No. 08-335863
- Patent Document 4 Japanese Unexamined Patent Publication No. 2000-286391
- Non-Patent Document 1 Power Device 'Power ⁇ Handbook Corona Institute of Electrical Engineers High Performance High Function Power Device' Power IC Research Special Committee P. 218
- a method using a photopower bra shown in FIG. 10 is representative as a level shift circuit for driving a Si power element. This is because the LED (light-emitting diode) 9 emits light by a signal based on the ground potential sent to the control circuit 3, and the light is emitted to the photodiode 8 to generate the light potential generated in the photodiode 8. Is used to drive the gate of the high-side power switching element 5H. By using the photo power bra in this way, a signal can be transmitted to the gate drive circuit 6 in the high potential floating state.
- One photopower bra is required for each high-side power switching element. For example, in the three-phase output drive circuit of Fig. 10, there is at least three photopower bras and three high-side gate drive drives. A power supply is required.
- the gate drive circuit 10 of the low-side power switching element 5L is a low-voltage circuit and does not require three independent power supplies that are floating as in the high-side case.
- the voltage of one low-side power supply 11 is supplied to the three low-side power switching elements 5L by the drive circuit 10 and controlled by an inverter.
- the three power switching elements 5H on the high side, the gate drive circuit 6, the floating power supply 7, and the level shift circuit (photodiode 8, LED9) require a certain amount of volume on the mounting surface.
- the module becomes large.
- a conventional Si power element requires a 10 ampere [A] switching element and requires a size of 5 X 5 mm 2, where the gate drive circuit 6 and photodiode 8 formed on a separate chip are mounted. .
- other circuit elements are not affected by the heat generated by the power switching element 5H. Mounted on the heat dissipation mechanism.
- an LED 9 that irradiates light to the photodiode 8 is mounted separately, and a high-voltage diode, resistor, and capacitor are mounted as a floating power source 7 (for example, a bootstrap floating power source).
- a floating power source 7 for example, a bootstrap floating power source.
- Three sets of these element parts are mounted on the noisy side, taking into account heat dissipation, so a considerable volume is required, and a size of 5 X 5 cm 2 or more is required with a 10 amp [A] class inverter module. As needed!
- a gate drive IC may be used as a level shift circuit other than the method using the photo power bra.
- This gate drive IC is a high voltage integrated circuit that integrates a high voltage level shifter formed using Si and a flip-flop circuit using junction isolation technology. The operating principle of this gate drive IC is described next.
- the input noisy gate drive signal is divided into a rising and falling panorace by the panorless generator, and these two pulse signals are input to the floating flip-flop circuit via the level shifter.
- the high-side gate drive circuit is driven by the output of the flip-flop. In this case, for example, a bootstrap power supply is used as the power supply.
- a high voltage level shifter, a flip-flop circuit in a floating state, and the like have to be configured with a Si device that secures a high voltage using a technique such as junction isolation. 1. Even if it is about 2 kV, it is necessary to form a special device structure considering element isolation, the formation method is complicated, all electrodes must be composed of horizontal elements on the surface, and the elements are also The size was increased (see, for example, Patent Documents 1, 2, 3, and 4).
- the level shifter is configured as a level shift switch 28a to which a resistor Ra is connected and a level shift switch 28b to which a resistor Rb is connected, as shown in FIG. 1, for example.
- the resistor Ra, the resistor Rb must be connected to level shift switches 28a and 28b, and wiring and wiring processes are also required for this purpose.
- external resistors Ra and Rb are required, which hinders downsizing of the level shifter. It was also good.
- the present invention has been made to solve the above-described problems.
- the purpose is to provide a module using.
- the semiconductor device in which the vertical electrodes of the present invention are formed on the front and back surfaces is a power chip or the like. Stack mounting is possible, and miniaturization can be realized.
- a semiconductor device of the present invention includes a first electrode, a second electrode, a control electrode, and a signal output electrode, and the first electrode and the signal output electrode.
- a transistor element portion which is interposed between the signal output electrode and the second electrode and which is turned on or off according to an input signal to the control electrode, and a resistor element portion which is interposed between the signal output electrode and the second electrode.
- Two level shift switches having a first semiconductor region constituting the first semiconductor region force S wide band gap semiconductor, a force sword side electrode and a anode side electrode, and a second semiconductor A second semiconductor region force S wide bandgap semiconductor, and a diode.
- the level shift switch and the diode formed using the wide band gap semiconductor can be downsized with a high breakdown voltage, and can be operated even at a high temperature. Therefore, the semiconductor device can be miniaturized, and a module using the semiconductor device and an inverter device using the module can be miniaturized. Further, the level shift switch according to the present invention forms an internal resistor as the above-described resistance element part inside the chip, so that the external resistor and its wiring can be omitted, and the device This contributes to the downsizing of wiring and simplification of the wiring process.
- the first semiconductor region is formed on a wide band gap semiconductor substrate of a first conductivity type and the wide band gap semiconductor substrate.
- RESURF having a conductive type source region and a first conductive type or a stacked structure of a first conductive type and an intrinsic semiconductor formed on the well region and the partial region of the drift layer apart from the source region
- the first electrode is formed on the source region
- the control electrode is formed on the well region between the source region and the RESURF region via a gate insulating film
- the signal output Electrodes are formed on the Lisa-safe region
- the second electrode is formed on the back surface of the wide bandgap semiconductor substrate, the trunk between the Ueru region and the source region and the RESURF region It is preferable that a distant element portion is formed, and the resistor element portion is formed by the resurf region, the drift layer including the partial region, and the wide band gap semiconductor substrate.
- the RESURF region is formed in the channel portion of the MOSFET of the level shift switch, for example, about 1 ⁇ m to 10 m, separated from the source region.
- the first conductive type source region and the first conductive type or the RESURF region having a stacked structure of the intrinsic semiconductor and the intrinsic semiconductor are connected directly below the gate insulating film.
- the channel region of the first conductive type or the stacked structure of the first conductive type and the intrinsic semiconductor made of a band gap semiconductor may be provided, thereby adjusting the threshold voltage / value voltage of the transistor element part. Can do.
- the second electrode of the two level shift switches and the force sword side electrode of the diode may be combined and provided as a common electrode.
- a common electrode By using a common electrode in this way, the electrode connection step can be omitted.
- the first semiconductor region of the two level shift switches and the second semiconductor region of the diode are formed on the same wide band gap semiconductor substrate and on the same. It is also preferable that the wide band gap semiconductor region force is also improved. This makes it possible to configure two level shift switches and diodes on a single chip.
- the wide band gap semiconductor substrate of the first semiconductor region is of a first conductivity type
- the wide band gap semiconductor region of the first semiconductor region is A first conductivity type drift layer formed on the wide band gap semiconductor substrate; a second conductivity type well region formed on the drift layer surface excluding a partial region; and a surface of the well region.
- a resurf region having an intrinsic semiconductor stacked structure, the first electrode is formed on the source region, and the control electrode is formed between the source region and the resurf region.
- the signal output electrode is formed on said RESURF region
- said first Two electrodes are formed on the back surface of the wide band gap semiconductor substrate
- the transistor region is constituted by the well region, the source region, and the resurf region, and the drift including the resurf region and the partial region.
- the resistance element portion is constituted by a layer and the wide band gap semiconductor substrate.
- the RESURF region is formed by separating the channel portion of the level shift switch MOSFET, for example, about 1 ⁇ m to 10 ⁇ m from the source region.
- a wide band gap semiconductor is provided so that the source region of the first conductivity type and the RESURF region of the stacked structure of the first conductivity type or the first conductivity type and the intrinsic semiconductor are directly connected to the gate insulating film.
- the channel region of the first conductivity type or the stacked structure of the first conductivity type and the intrinsic semiconductor constituted by the above may be provided, so that the threshold voltage / value voltage of the transistor element portion can be adjusted.
- the second electrode of the two level shift switches and the power sword side electrode of the diode are arranged as a common electrode on the back surface side of the wide band gap semiconductor substrate, It is preferable that the first electrode of the level shift switch, the signal output electrode, and the anode side electrode of the diode are arranged on the surface side of the wide band gap semiconductor substrate.
- each of the two level shift switches and the diode is preferably element-isolated by a mesa structure or a pn junction on the surface side of the wide band gap semiconductor substrate.
- the diode is preferably a Schottky diode in which the anode side electrode is a Schottky electrode. Using a Schottky diode enables high-speed operation with a small forward voltage drop.
- the wide band gap semiconductor is preferably silicon carbide.
- the module of the present invention has a high-side gate drive in which a high-potential-side electrode is connected to the high-potential-side power supply line between a high-potential-side power supply line to which a DC voltage is applied. Based on the signal! A low-potential side electrode is connected to the low-potential side power line, and a low-side power switching element that is on / off controlled based on a low-side gate drive signal is connected in series, and the low-potential-side electrode of the high-side power switching element And an inverter main circuit section provided with an output terminal connected to the high potential side electrode of the low side power switching element, and a power supply voltage for the low side gate drive power supply is also supplied to the low side power switching element.
- a low-side gate drive circuit that generates and outputs a gate drive signal of the low-side power switching element based on a low-side control signal for on / off control; a capacitor having one electrode electrically connected to the output terminal;
- the force sword side electrode is the other side of the capacitor
- a diode in which current from the low-side gate drive power source flows into the anode-side electrode when the low-side power switching element is turned on, the first electrode, the second electrode, the control electrode, and the signal
- An output electrode the first electrode is electrically connected to the low-potential-side power line
- the second electrode is electrically connected to the other electrode of the capacitor, and the high-side
- the first pulse is input to the control electrode at the start of the period during which the power switching element is to be turned on, the potential is in accordance with the potential of the other electrode of the capacitor and is higher than that of the first pulse.
- a first level shift switch for outputting a second pulse having a high potential to the signal output electrode force; a first electrode; a second electrode; a control electrode; and a signal output electrode.
- the first electrode is electrically connected to the low potential side power supply line
- the second electrode is electrically connected to the other electrode of the capacitor, and the power switching element on the negative side should be turned on.
- the fourth pulse has a potential corresponding to the potential of the other electrode of the capacitor and a potential higher than that of the third pulse.
- the second level shift switch from which the pulse is output from the signal output electrode and the voltage at both ends of the capacitor are supplied as a power supply voltage, and the voltage from the signal output electrode of the first level shift switch is output from the signal output electrode.
- the high-side power switching element is turned on and output from the signal output electrode of the second level shift switch.
- the fourth pulse Roh it generates a high-side control signal for turning off the power switching element of I Sa id output
- a signal generating circuit that supplies the voltage across the capacitor as a power supply voltage, and generates a gate drive signal for the high-side power switching element based on the high-side control signal output from the signal generating circuit.
- the capacitor electrically connected; the high-side power switching element in which a low potential side electrode is electrically connected to the conductive mounting substrate; and the signal of the two level shift switches of the semiconductor device.
- the signal generation circuit electrically connected to the output electrode and the capacitor, and the high side gate drive circuit electrically connected to the signal generation circuit, the high side power switching element, and the capacitor And more than one set.
- the capacitor is a chip capacitor
- the chip capacitor is mounted on the conductive mounting substrate
- the semiconductor device is stacked and mounted on the chip capacitor. This makes it possible to further reduce the size of the module.
- the conductive mounting board on which the low-side power switching element, the chip capacitor, and the semiconductor device are mounted is stacked and mounted on the low-potential side electrode of the high-side power switching element. It is preferable. This further reduces the size of the module.
- a chip constituting the signal generation circuit and the high-side gate drive circuit is stacked and mounted on the high-side power switching element.
- the module can be further downsized.
- Another semiconductor device of the present invention includes a first conductivity type semiconductor substrate, a first conductivity type drift layer formed on the semiconductor substrate, and a partial region on the surface of the drift layer.
- the RESURF region is formed, for example, at a distance of about 1 ⁇ to 10 / ⁇ m from the source region.
- a transistor element unit is formed in which conduction between the source region connected to the first electrode and the resurf region is controlled in accordance with an input signal to the control electrode.
- a resistive element portion formed by a semiconductor substrate and a drift layer including a resurf region and a partial region immediately below the signal output electrode between the signal output electrode on the front surface side of the semiconductor substrate and the second electrode on the back surface side. Is formed.
- a voltage between the first electrode and the second electrode is applied, and when the transistor element portion is non-conductive, the same potential as the second electrode is output to the signal output electrode, and when conductive, the second electrode and the first electrode are output.
- a potential corresponding to the voltage divided by the resistance element portion and the internal resistance of the transistor element portion, that is, a potential lower by a voltage drop due to the resistance element portion than the potential of the second electrode is A level shift switch output from the signal output electrode can be realized.
- an externally attached resistor is formed inside the chip as the above-mentioned resistance element part, so that the external resistor and its wiring can be omitted, and the device (level shifter) can be reduced in size and the wiring process Can be simplified
- the first conductive type source region and the first conductive type or the stacked structure of the first conductive type and the intrinsic semiconductor are directly under the gate insulating film.
- the transistor region may be provided with a channel region of the first conductivity type or a stacked structure of the first conductivity type and the intrinsic semiconductor formed so as to connect the region. You can adjust the value voltage.
- wide band gap semiconductor means a semiconductor having a band gap of 2. OeV or more, which is the energy difference between the lower end of the conduction band and the upper end of the valence band.
- group III nitrides such as silicon carbide (SiC), GAN, and A1N, diamond, and the like.
- the present invention has the above-described configuration, and has an effect that it is possible to provide a semiconductor device that can be used for an inverter device or the like and can be reduced in size, and a module using the semiconductor device.
- FIG. 1 is a circuit diagram showing an example of a circuit configuration of an inverter according to an embodiment of the present invention.
- FIG. 2 is a circuit diagram showing another example of the circuit configuration of the inverter according to the embodiment of the present invention.
- FIG. 3 is a timing chart of signals at various parts of the inverter according to the embodiment of the present invention.
- FIG. 4 is a diagram showing an example of a structure in a cross-sectional view of a semiconductor device (integrated chip) according to an embodiment of the present invention.
- FIG. 5 is a diagram showing another example of the structure in a cross-sectional view of the semiconductor device (integrated chip) according to the embodiment of the present invention.
- FIG. 6 is a view showing another example of the structure in cross-sectional view of the semiconductor device (integrated chip) according to the embodiment of the present invention.
- FIG. 7 is a conceptual diagram showing an example of the configuration of the inverter module according to the embodiment of the present invention.
- FIG. 8 is a conceptual diagram showing another example of the configuration of the inverter module according to the embodiment of the present invention.
- FIG. 9 is a conceptual diagram showing another example of the configuration of the inverter module according to the embodiment of the present invention.
- FIG. 10 is a conceptual diagram of an inverter used for conventional motor control.
- the semiconductor device is a level shift circuit, and is used, for example, in an inverter that controls a motor as shown in FIG.
- the circuit configuration of this inverter is shown in Fig. 10.
- the configuration of the part that controls the high-side power switching element 5H is characteristic.
- FIG. 1 is a circuit diagram showing an example of the circuit configuration of the inverter in the embodiment of the present invention.
- U and (one of the three phases) of the three low-side and high-side power switching elements shown in FIG. 10 are shown.
- a high-side power switching element 25 (5H in Fig. 10) and a low-side power switching element 21 (5L in Fig. 10) are connected in series, and a high-voltage power supply 4 (see Fig. 10) is connected to both ends.
- the low-side power switching element 21 is controlled by the gate drive circuit 10.
- the voltage applied to the gate electrode 21g through the gate drive circuit 10 is supplied by the low-side power supply 11.
- the power supply 11 is connected to the drain electrode 21d of the low-side power switching element 21 through the resistor 22, the high-pressure diode 23, and the capacitor 24. This part functions as a bootstrap power supply, and the voltage of the power supply 11 is stored in the capacitor 24 when the low-side power switching element 21 is on (conductive).
- the drain electrode 21d of the low-side power switching element 21 is connected to the output terminal 43 and the source electrode 25s of the high-side power switching element 25, and the drain electrode 25d of the high-side power switching element 25 is
- the high-voltage power supply 4 (see Fig. 10) is connected to the power supply line to which the high potential HV is applied.
- the voltage stored in the capacitor 24 is supplied as a power supply voltage for the gate drive circuit 26 and the flip-flop circuit 27.
- the gate electrode 25g of the high-side power switching element 25 is electrically connected to the potential of the source electrode 25s of the high-side power switching element 25 (the potential of the node F) by the gate drive circuit 26 in an electrically floating state.
- the potential (the potential at the node R) is given by the voltage across the capacitor 24 (the voltage between F and R) higher than the potential at the source electrode 25s.
- the gate drive circuit 26 selects and outputs either the potential of the node F or the potential of the node R according to the control signal 27-out input from the flip-flop circuit 27.
- the flip-flop circuit 27 is supplied with two level shift switches 28a and 28b consisting of nMOSFETs, and pulse signals 28a-out and 28b-out with different timings are applied to control the rectangular wave control signal 27. -out is output to the gate drive circuit 26.
- the rising and falling timings of the rectangular wave output from the flip-flop circuit 27 are determined by the pulse signals 28a-out and 28b-out supplied from the two level shift switches 28a and 28b.
- the rectangular wave functions as a gate control signal for the high-side power switching element 25.
- the two level shift switches 28a and 28b are controlled by the pulse signals Sa and Sb output from the pulse generation circuit 30, and the pulse generation circuit 30 is a high-side control signal output from the control circuit 3 SH power pulse signal Sa and Sb are generated.
- the control circuit 3 outputs a high-side control signal SH to the pulse generation circuit 30 and also outputs a low-side control signal SL to the low-side gate drive circuit 10.
- the low-side gate drive circuit 10 applies the voltage of the low-side power supply 11 to the gate electrode 21g of the power switching element 21 while the low-side control signal SL is at a high level, for example, and turns on the power switching element 21.
- the high-side control signal SH output from the control circuit 3 is a signal based on the ground potential, like the low-side control signal SL.
- node F which is a connection point between the low-side power switching element 21 and the high-side power switching element 25, has a positive potential HV that is higher than the ground potential depending on the operating state of the switching elements 21 and 25. Therefore, the potential applied to the gate electrode 25g of the high-side power switching element 25 must be controlled by setting the portion surrounded by the dotted line A in FIG. Level shift switches 28a and 28b supply the control signal with a level shift to the floating portion.
- FIG. 3 is a timing chart of signals at various parts in FIG.
- the low-side gate drive circuit 10 is driven by the low-side control signal SL output from the control circuit 3, and the low-side power switching element 21 is controlled to be on (conducting) Z off (non-conducting). .
- the gate drive circuit 10 is also supplied with the gate bias 21s-g, the switching element 21 is turned on, and the output terminal 43 (0 UT) and one end (node) F of the capacitor 24 become the ground potential.
- the potential of the power supply 11 is applied to the other end of the capacitor 24 via the resistor 22 and the diode 23 with respect to the ground potential of the one end F of the capacitor 24, and the capacitor 24 is charged and the voltage between F and R Rises.
- the pulse generation circuit 30 detects the rising and falling edges of the control signal SH. Detects, generates Norse signal Sa in response to rising edge detection, and generates pulse signal Sb in response to falling edge detection. While the pulse signal Sa is being output, the level shift switch 28a is turned on. While the pulse signal Sa is being turned on, the pulse signal 28a-out in FIG. 3 is output (time t3), and the level is being output while the pulse signal Sb is being output. The shift switch 28b is turned on, and the pulse signal 28b-out is output while the shift switch 28b is on (time t4).
- the potential of the pulse signal 28a-out is determined by the resistance Ra and the internal resistance of the level shift switch 28a depending on the voltage between the terminal (node) R of the capacitor 24 and the ground potential.
- the potential corresponding to the divided voltage that is, the potential that is lower than the potential of the terminal R of the capacitor 24 by the voltage drop due to the resistor Ra.
- the potential of the pulse signal 28b-out is the voltage obtained by dividing the voltage between the potential of the terminal R of the capacitor 24 and the ground potential by the resistor Rb and the internal resistance of the level shift switch 28b when it is output. That is, a potential lower than the potential of the terminal R of the capacitor 24 by the voltage drop due to the resistor Rb.
- the pulse potentials of these pulse signals 28a-out and 28b-out are higher than the pulse potentials of the pulse signals Sa and Sb.
- the pulse signal 28a-out is input from the level shift switch 28a at time t3
- the output 27-out of the flip-flop circuit 27 in the floating state becomes the high level side
- the high-side gate drive circuit 26 uses the potential of the node R as its output 26-out, and a gate bias 25 s-g is applied to the high-side power switching element 25.
- the high-side power switching element 25 is turned on, and the potential OUT of the output terminal 43 and the potential of one end F of the capacitor 24 become the high potential HV.
- the pulse signal 28b-out is flip-flopped from the level shift switch 28b.
- the output 27-out of the flip-flop circuit 27 becomes the low level side, and accordingly, the gate drive circuit 26 of the non-side gate sets the potential of the node F to the output 26-out,
- the gate bias 25s-g applied to the high-side power switching element 25 disappears (becomes 0), the switching element 25 is turned off, and the potential at the output OUT 43 and the one end F of the capacitor 24 change depending on the load. To do.
- the circuit configuration may be changed as shown in FIG. In FIG. 2, only the resistor 22 that forms part of the bootstrap power supply is connected directly to the output line of the low-side gate drive circuit 10 instead of being directly connected to the low-side gate drive power supply 11. Different from 1. Even when the resistor 22 is connected in this way, the operation is the same as in FIG. That is, in the case of FIG. 2, during the period when the switching element 21 is turned on, the voltage of the power supply 11 is output from the gate drive circuit 10, and while the voltage of the power supply 11 is output, the switching element 21 is turned on and the capacitor Since 24 is charged, it is the same as in FIG.
- the force control circuit 3 provided with the pulse generation circuit 30 for generating the pulse signals Sa and Sb by inputting the high-side control signal SH receives the pulse signals Sa and Sb. It may be configured to be generated and directly input to the level shift switches 28a and 28b.
- the circuit configuration for one phase is not shown and the power is not shown, but in the case of multiple phases, for example, three phases, the control circuit 3 outputs control signals SL, SH for three phases .
- the pulse generation circuit 30 may be provided for each phase, or the control signal SH of each phase is input from the control circuit 3, and the pulse generation circuit 30 distributes to each phase and outputs the pulse signals Sa and Sb. It may be configured as follows.
- control circuit 3 may generate the noise signals Sa and Sb for each phase and directly input them to the level shift switches 28a and 28b for each phase.
- the control circuit 3 outputs the pulse signals Sa and Sb
- the pulse signal Sa is output to the level shift switch 28a at the start of the period during which the high-side power switching element 25 is turned on, and the pulse signal Sb at the end. May be output to the level shift switch 28b.
- a portion surrounded by a broken line in FIG. 1 or FIG. 2 (hereinafter referred to as a level shift circuit) is integrated on a wide band gap semiconductor substrate on the same chip. ( Integrated chip 29).
- the level shift switches 28a and 28b and the diode 23 of this level shift circuit are important for compression. Since the level shift switches 28a and 28b are part of the gate control circuit of the power switching element 25, a large current is not required, and the level shift switches 28a and 28b can be integrated and formed as a small wide band gap semiconductor device. By integrating a part of the gate control circuit that requires this withstand voltage, the number of parts can be reduced, and for example, the inverter module can be downsized. In addition, the level shift circuit (integrated chip 29) requiring this withstand voltage is a part of the bootstrap power supply and the level shift switch, and these are circuit portions having different functions in the circuit. The idea was strong.
- the level shift switch 28a and the resistor Ra are formed as a single element to form the level shift switch 28A with a built-in resistor, and the level shift switch 28b and the resistor A level shift switch 28B with a built-in resistor is formed, in which Rb is configured as one element.
- Rb is configured as one element.
- FIG. 4 is a diagram showing a structure of the integrated chip 29 in a sectional view.
- a Schottky diode is used as the diode 23, and the elements of the diode 23 and the resistance built-in level shift switches 28A and 28B are separated by a mesa isolation structure.
- the diode 23 is a Schottky diode in which a Schottky diode electrode 51 is arranged on the surface of a first conductivity type drift layer 50d formed on a first conductivity type (for example, n-type) wide band gap semiconductor substrate 50s.
- the Schottky diode is electrically isolated from other elements by being surrounded by the mesa isolation part 52a.
- the resistance built-in level shift switch 28A is constituted by a vertical MOSFET including a RESURF structure so as to be separated from and adjacent to the diode 23 and the mesa separating portion 52a.
- the second conductivity type (for example, p-type) well regions 53a and 53b are formed on the first conductivity type drift layer 50d except for the first region CFFET region 57).
- a first conductivity type source region 54 and a first conductivity type region 54a apart from the source region 54 are formed by ion implantation.
- the source region 54 is continuous with the first conductivity type or a stack of the first conductivity type and the intrinsic semiconductor.
- a channel region 55 having a structure and a RESURF region 56 having a first conductivity type or a stacked structure of the first conductivity type and an intrinsic semiconductor are formed.
- the resurf region 56 is connected to the first conductivity type JFET region 57 sandwiched between the well region 53a and another second conductivity type well region 53b.
- the RESURF region 56 is formed to be separated from the source region 54 by, for example, about 1 ⁇ to 10 / ⁇ m.
- a source electrode 58s is provided on the source region 54, the surface of the channel region 55 is covered with a gate insulating film 59, and a gate electrode 58g is formed on the gate insulating film 59.
- An output electrode 58 ⁇ is formed on the upper surface of the junction portion of the RESURF region 56iJFET region 57 !.
- the built-in resistor level shift switch 28 ⁇ is formed in the same configuration as the built-in resistor level shift switch 28 A so as to be separated by and adjacent to the built-in resistor level shift switch 28 ⁇ and the mesa separating portion 52 b.
- the arrangement of the diode 23 and the resistor built-in level shift switches 28A and 28B on the integrated chip 29 is not limited to the example of FIG. 4 and may be any arrangement.
- a common electrode 58d in which the power sword side electrode of the diode 23 and the drain electrode of the vertical MOSFET constituting the resistor built-in level shift switches 28A and 28B are integrated.
- the common electrode 58d is formed and connected to the node R to which one end of the capacitor 24 in FIG. 1 is connected.
- portions other than the electrodes 51, 58d, 58s, 58g, 58 ⁇ and the gate insulating film 59 are formed of a wide band gap semiconductor.
- iJFET region 57, drift region 50d and substrate 50s A low potential is output to the output electrode 58 ⁇ as much as the product of the resistance and the current flowing therethrough.
- the output potential of the output electrode 58 ⁇ at this time is the electric resistance between the common electrode 58d and the output electrode 58 ⁇ (corresponding to the resistance Ra and Rb in FIG. 1) and the resurf region 56 between the output electrode 58 ⁇ and the channel region 55.
- Level shift switches 28A, 28B with built-in resistors configured as described above are configured to include the resistors Ra and Rb of FIG. 1 that were conventionally externally attached, and eliminate the external resistors and their wiring.
- the apparatus can be miniaturized and the external wiring and wiring process can be omitted.
- This effect is not limited to the case where the resistance built-in level shift switches 28A and 28B are formed using a wide bandgap semiconductor as in the present embodiment, but can also be obtained when formed using, for example, a Si semiconductor. It is done.
- the channel region 55 of the first conductivity type immediately below the gate insulating film 59 or the stacked structure of the first conductivity type and the intrinsic semiconductor is provided.
- the threshold voltage of the MOSFET can be adjusted.
- the channel region 55 having the first conductivity type or the stacked structure of the first conductivity type and the intrinsic semiconductor must be provided. Since the threshold voltage increases, the threshold voltage can be lowered by providing the channel region 55.
- the channel region 55 is an FET channel region, and when the channel region 55 is not provided, the surface of the well region 53a immediately below the gate electrode 58g is near the surface.
- This area is the FET channel area.
- the source electrode 58s of the level shift switches 28A and 28B may be common, as shown in FIG. 5, a common source electrode 58s is provided for the two level shift switches 28A and 28B, and the common source electrode 58s is provided. On the other hand, even if the two level shift switches 28A and 28B are formed in a left-right symmetrical structure, it is not enough.
- a pn junction diode may be used. As described above, the use of the Schottky diode can achieve a high-speed operation with a small forward voltage drop.
- force is separated by mesa isolation parts 52a and 52b.
- mesa isolation parts 52a and 52b a pn junction is formed with drift layer 50d of the first conductivity type as shown in FIG. Element isolation regions 52A and 52B, such as second conductivity type regions, may be provided.
- an element isolation region 52A composed of a second conductivity type region pn-junctioned with the first conductivity type drift layer 50d as shown in FIG. 6 may be provided. ⁇ ⁇ .
- FIG. 7, 8, and 9 are conceptual diagrams of an inverter module configured by using the integrated chip 29 that also has the above-described level shift circuit power.
- Fig. 7, Fig. 8, and Fig. 9 there are three output terminals 43 (OUT) connected to the load of the inverter module in parallel, and it drives 3-phase motor 1 (see Fig. 10).
- the low-side and non-side power switching elements 21, 25 are formed of a wide bandgap semiconductor in the semiconductor portion other than the insulating film and the electrode, and the V electrode misalignment also has a drain electrode on the back side. It is composed of a chip that has nMOSFET power with a vertical structure.
- the source electrode 21s and gate electrode 21g of the low-side power switching element 21 and the source electrode 25s and gate electrode 25g of the high-side power switching element 25 are formed on the chip surface! The pad for external connection is shown.
- the source electrode 21 s of each of the three low-side power switching elements 21 is integrated into the respective integrated chip 29! Electrically connected to the source electrode 58s (see Fig. 4) of the internal resistor level shift switches 28A and 28B. Connected to the power supply line to which a ground potential is applied.
- the drain electrode on the back side of each power switching element 21 is connected to a conductive plate 42 having the same force as each metal plate.
- Each conductive plate 42 is connected to each output terminal 43 and is electrically connected to the source electrode 25s of the high-side power switching element 25 paired with each low-side power switching element 21.
- the three high-side power switching elements 25 are mounted on a conductive plate 44 made of a common metal plate or the like, and the drain electrodes on the back side thereof are connected to the conductive plate 44.
- This conductive plate 44 has a high potential HV from the high voltage power source 4 (see FIG. 10). Connected to a given power line.
- HV high voltage power source 4
- the flip-flop circuit 27 is stacked and mounted as one chip and operates in a floating state. The operating voltage is supplied by the charge stored in the capacitor 24 of the bootstrap power supply.
- the gate drive circuit 26 and the flip-flop circuit 27 are composed of Si semiconductors, and can be either V or wide band gap semiconductors.
- the chip incorporating the gate drive circuit 26 and the flip-flop circuit 27 is provided with a pad for connecting to the source electrode 25s of the power switching element 25 and a node for connecting to the gate electrode 25g on the back surface thereof. Are connected to each other.
- the integrated chip 29 is shown to be larger to show the state, but the integrated chip 29 does not need to control a large current unlike the other power switching elements 21 and the like. It is usually a small element of 1/10 or less.
- the integrated chip 29 is mounted on the conductive plate 42 on which the low-side lower switching element 21 is mounted, with the insulating plate 31 sandwiched between them. It was confirmed that can be formed easily.
- capacitor 24 is externally attached, one terminal F (see FIGS. 1 and 2) is connected to conductive plate 42, and the other terminal R (see FIGS. 1 and 2) is integrated chip 29.
- the common electrode 58d (see FIG. 4) and a chip incorporating the gate drive circuit 26 and the flip-flop circuit 27 are connected.
- this chip capacitor 41 electrodes are provided on the upper and lower surfaces of the chip, the lower electrode (terminal F) is directly connected to the conductive plate 42, and the upper electrode (terminal R) is the common electrode 58d of the integrated chip 29.
- the common electrode 58d is directly connected to the chip incorporating the gate drive circuit 26 and the flip-flop circuit 27 by wiring.
- a conductive plate 42 on which a low-side power switching element 21, a chip capacitor 41, and an integrated chip 29 stacked on the chip capacitor 41 are mounted.
- the volume is further reduced and further miniaturization is achieved.
- the low-side gate drive circuit 10, the low-side power supply 11 and the resistor 22 are further connected to the configurations shown in FIGS. 7, 8, and 9 to form a module. 1, 2, the output line of the low-side gate drive circuit 10 that receives voltage supply from the power supply 11 is connected to the gate electrode 21 g of the power switching element 21 in FIGS. 7, 8, and 9. Connected. Further, in the case of the circuit configuration of FIG. 1, the anode side electrode (on the surface of the integrated chip 29 (not shown) connected to the Schottky electrode 51 of the diode 23 (see FIG. 4) (not shown) ( One end of the resistor 22 is connected to the pad) 23s, and the other end of the resistor 22 is connected to the power source 11.
- the resistor 22 is connected between the anode electrode 23 s of the diode 23 formed on the surface of the integrated chip 29 and the gate electrode 21 g of the pair switching element 21.
- the gate electrode 21g of the power switching element 21 and the electrode 23s of the diode may be connected by, for example, a thin wire L having a high resistance, as shown by a dotted line in FIG.
- the source electrode 21s of the power switching element 21 is formed by integrating the source electrodes of the force resistance built-in level shift switches 28A and 28B, which are connected separately from the source electrodes of the built-in resistor level shift switches 28A and 28B, respectively. It may be connected with a single source electrode and a single wire.
- the gate drive circuit 10 is required for each phase in each of the circuit configurations of FIGS. 1 and 2.
- the low-side power supply 11 and the resistor 22 are respectively Even if each phase is not provided individually, only one may be provided to be shared by all phases (here, 3 phases).
- a resistor 22 is also required for each phase, but the low-side power supply 11 does not have to be provided separately for each phase (here, In this case, only one may be provided so that it is shared between the three phases.
- FIG. 7, FIG. 8, and FIG. 9 describe the case where the chip 29 in which the three elements of the built-in level shift switches 28A and 28B and the bootstrap diode 23 are integrated is used.
- these three elements may be independent individual chips without being integrated, and circuit components made of wide band gap semiconductors have good heat conduction and are difficult to heat. Since it operates normally even when heated to around 400 ° C, it can be stacked and mounted, contributing to miniaturization of the module.
- the integrated chip 29 and the power switching elements 21 and 25 are configured using wide bandgap semiconductors and the inverter module is configured, the integrated chip 29 and the power switching elements 21 and 25 are configured.
- This chip was constructed using Si semiconductors, and it was confirmed that it was possible to achieve a density increase of 1/5 or less compared to the case where an inverter module was constructed.
- wide band gap semiconductors are used in the same manner as the force using MOSFETs configured using wide band gap semiconductors. Even if IGBTs, MISFETs, MESFETs, etc. constructed in this way are used, a module that satisfies the same space and energy savings can be realized.
- the use of the integrated chip 29 makes it possible to reduce the size of the integrated circuit 29 compared to the case where the integrated chip 29 portion is configured using Si semiconductors. Therefore, it is possible to reduce the size of the inverter module.
- the semiconductor device and module according to the present invention are compactly mounted power devices capable of low loss, high efficiency, and high speed operation, and are applied to, for example, a small inverter. It is useful for next-generation power electronics systems that can save space and energy.
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Inverter Devices (AREA)
- Metal-Oxide And Bipolar Metal-Oxide Semiconductor Integrated Circuits (AREA)
- Logic Circuits (AREA)
- Electronic Switches (AREA)
- Semiconductor Integrated Circuits (AREA)
- Power Conversion In General (AREA)
Abstract
Description
Claims
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2005800036182A CN1914786B (zh) | 2004-08-26 | 2005-08-26 | 变换器模块 |
| EP05775056A EP1734647B1 (en) | 2004-08-26 | 2005-08-26 | Semiconductor device and module using the same |
| JP2006532635A JP4139422B2 (ja) | 2004-08-26 | 2005-08-26 | モジュール |
| US10/588,960 US7436031B2 (en) | 2004-08-26 | 2005-08-26 | Device for implementing an inverter having a reduced size |
| DE602005010566T DE602005010566D1 (de) | 2004-08-26 | 2005-08-26 | Halbleiterbauelement und modul damit |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2004246412 | 2004-08-26 | ||
| JP2004-246412 | 2004-08-26 |
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| Publication Number | Publication Date |
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| WO2006022387A1 true WO2006022387A1 (ja) | 2006-03-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP2005/015575 Ceased WO2006022387A1 (ja) | 2004-08-26 | 2005-08-26 | 半導体装置及びそれを用いたモジュール |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US7436031B2 (ja) |
| EP (1) | EP1734647B1 (ja) |
| JP (1) | JP4139422B2 (ja) |
| CN (1) | CN1914786B (ja) |
| DE (1) | DE602005010566D1 (ja) |
| WO (1) | WO2006022387A1 (ja) |
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| JP2017175368A (ja) * | 2016-03-23 | 2017-09-28 | エスアイアイ・セミコンダクタ株式会社 | レベルシフト回路 |
| JP2018022892A (ja) * | 2016-08-02 | 2018-02-08 | アーベーベー・シュバイツ・アーゲー | パワー半導体モジュール |
| WO2022004602A1 (ja) * | 2020-06-29 | 2022-01-06 | ダイキン工業株式会社 | インバータ装置 |
| JP2023085877A (ja) * | 2021-12-09 | 2023-06-21 | 富士電機株式会社 | 半導体装置および半導体チップ |
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| DE102004023305A1 (de) * | 2004-04-19 | 2005-11-03 | Siemens Ag | Leistungshalbleiter |
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| US8148815B2 (en) * | 2008-10-13 | 2012-04-03 | Intersil Americas, Inc. | Stacked field effect transistor configurations |
| US8168490B2 (en) * | 2008-12-23 | 2012-05-01 | Intersil Americas, Inc. | Co-packaging approach for power converters based on planar devices, structure and method |
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| US9520802B2 (en) * | 2010-01-18 | 2016-12-13 | Mitsubishi Electric Corporation | Power semiconductor module, power converting apparatus and railway car |
| US8525334B2 (en) * | 2010-04-27 | 2013-09-03 | International Rectifier Corporation | Semiconductor on semiconductor substrate multi-chip-scale package |
| JP5932269B2 (ja) * | 2011-09-08 | 2016-06-08 | 株式会社東芝 | パワー半導体モジュール及びパワー半導体モジュールの駆動方法 |
| JP5638699B2 (ja) * | 2011-09-30 | 2014-12-10 | 三菱電機株式会社 | ヒートポンプ装置、ヒートポンプシステム及びインバータの制御方法 |
| US10217889B2 (en) * | 2015-01-27 | 2019-02-26 | Ladarsystems, Inc. | Clamped avalanche photodiode |
| US10453956B2 (en) * | 2015-04-02 | 2019-10-22 | Delta Electronics, Inc. | Semiconductor packaging structure |
| CN106300929B (zh) * | 2015-05-21 | 2019-03-15 | 台达电子工业股份有限公司 | 开关电路 |
| JP7061953B2 (ja) * | 2018-11-07 | 2022-05-02 | 三菱電機株式会社 | 炭化珪素半導体装置および電力変換装置 |
| JP7198236B2 (ja) * | 2020-03-13 | 2022-12-28 | 株式会社東芝 | 半導体装置 |
| CN113571515B (zh) | 2020-04-29 | 2024-04-09 | 广东致能科技有限公司 | 一种驱动电路、驱动ic以及驱动系统 |
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- 2005-08-26 JP JP2006532635A patent/JP4139422B2/ja not_active Expired - Fee Related
- 2005-08-26 DE DE602005010566T patent/DE602005010566D1/de not_active Expired - Lifetime
- 2005-08-26 EP EP05775056A patent/EP1734647B1/en not_active Expired - Lifetime
- 2005-08-26 CN CN2005800036182A patent/CN1914786B/zh not_active Expired - Fee Related
- 2005-08-26 WO PCT/JP2005/015575 patent/WO2006022387A1/ja not_active Ceased
- 2005-08-26 US US10/588,960 patent/US7436031B2/en not_active Expired - Fee Related
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| JPH08335863A (ja) * | 1995-05-04 | 1996-12-17 | Internatl Rectifier Corp | パワートランジスタの駆動方法及び回路、並びに該回路を含む集積回路 |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2017175368A (ja) * | 2016-03-23 | 2017-09-28 | エスアイアイ・セミコンダクタ株式会社 | レベルシフト回路 |
| JP2018022892A (ja) * | 2016-08-02 | 2018-02-08 | アーベーベー・シュバイツ・アーゲー | パワー半導体モジュール |
| JP7043196B2 (ja) | 2016-08-02 | 2022-03-29 | ヒタチ・エナジー・スウィツァーランド・アクチェンゲゼルシャフト | パワー半導体モジュール |
| WO2022004602A1 (ja) * | 2020-06-29 | 2022-01-06 | ダイキン工業株式会社 | インバータ装置 |
| JP2022011145A (ja) * | 2020-06-29 | 2022-01-17 | ダイキン工業株式会社 | インバータ装置 |
| CN115943553A (zh) * | 2020-06-29 | 2023-04-07 | 大金工业株式会社 | 逆变器装置 |
| US11750112B2 (en) | 2020-06-29 | 2023-09-05 | Daikin Industries, Ltd. | Inverter device including a bootstrap circuit |
| CN115943553B (zh) * | 2020-06-29 | 2024-03-01 | 大金工业株式会社 | 逆变器装置 |
| JP2023085877A (ja) * | 2021-12-09 | 2023-06-21 | 富士電機株式会社 | 半導体装置および半導体チップ |
| JP7848472B2 (ja) | 2021-12-09 | 2026-04-21 | 富士電機株式会社 | 半導体装置 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPWO2006022387A1 (ja) | 2008-05-08 |
| US7436031B2 (en) | 2008-10-14 |
| JP4139422B2 (ja) | 2008-08-27 |
| EP1734647A1 (en) | 2006-12-20 |
| EP1734647A4 (en) | 2007-08-22 |
| US20070158778A1 (en) | 2007-07-12 |
| CN1914786B (zh) | 2012-02-08 |
| CN1914786A (zh) | 2007-02-14 |
| EP1734647B1 (en) | 2008-10-22 |
| DE602005010566D1 (de) | 2008-12-04 |
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