WO2017037780A1 - 電力変換装置、および、半導体装置 - Google Patents
電力変換装置、および、半導体装置 Download PDFInfo
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- WO2017037780A1 WO2017037780A1 PCT/JP2015/074418 JP2015074418W WO2017037780A1 WO 2017037780 A1 WO2017037780 A1 WO 2017037780A1 JP 2015074418 W JP2015074418 W JP 2015074418W WO 2017037780 A1 WO2017037780 A1 WO 2017037780A1
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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
- H03K17/14—Modifications for compensating variations of physical values, e.g. of temperature
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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
- H10D84/80—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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K7/00—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements
- G01K7/16—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using resistive elements
- G01K7/22—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using resistive elements the element being a non-linear resistance, e.g. thermistor
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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
- H02M3/00—Conversion of DC power input into DC power output
- H02M3/02—Conversion of DC power input into DC power output without intermediate conversion into AC
- H02M3/04—Conversion of DC power input into DC power output without intermediate conversion into AC by static converters
- H02M3/10—Conversion of DC power input into DC power output without intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M3/145—Conversion of DC power input into DC power output without intermediate conversion into AC 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
- H02M3/155—Conversion of DC power input into DC power output without intermediate conversion into AC 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
- H02M3/156—Conversion of DC power input into DC power output without intermediate conversion into AC 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 with automatic control of output voltage or current, e.g. switching regulators
- H02M3/158—Conversion of DC power input into DC power output without intermediate conversion into AC 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 with automatic control of output voltage or current, e.g. switching regulators including plural semiconductor devices as final control devices for a single load
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/08—Modifications for protecting switching circuit against overcurrent or overvoltage
- H03K17/082—Modifications for protecting switching circuit against overcurrent or overvoltage by feedback from the output to the control circuit
- H03K17/0822—Modifications for protecting switching circuit against overcurrent or overvoltage by feedback from the output to the control circuit in field-effect transistor switches
-
- 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
-
- 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
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K19/00—Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits
- H03K19/02—Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits using specified components
- H03K19/173—Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits using specified components using elementary logic circuits as components
- H03K19/1731—Optimisation thereof
- H03K19/1732—Optimisation thereof by limitation or reduction of the pin/gate ratio
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/08—Modifications for protecting switching circuit against overcurrent or overvoltage
- H03K2017/0806—Modifications for protecting switching circuit against overcurrent or overvoltage against excessive temperature
Definitions
- the present invention relates to a power conversion device and a semiconductor device.
- a power conversion device a device in which a power module such as a MOSFET is provided on a substrate is known (see, for example, JP2013-261010, JP2008-113509A).
- Such a power conversion device 100A includes transistors Q1 to Q4, a thermistor element TH for measuring the temperature of the substrate X, a temperature detection unit TDC for detecting the temperature of the thermistor element, and a voltage for detecting the voltage of the resistor RI.
- a detection unit VC and a control unit CON that controls the transistors Q1 to Q4 are provided (FIG. 6).
- the thermistor element TH is provided on the substrate X together with the transistors Q1 to Q4. One end of the thermistor element TH is connected to the temperature detection unit TDC via the node ND1 of the substrate X, and the other end of the thermistor element TH is the substrate X. Is grounded via the node ND2 (FIG. 6).
- the temperature corresponding to the resistance value of the thermistor element TH is detected based on the voltage detected by the temperature detection unit TDC.
- this power conversion device 100A the number of nodes of the substrate X increases (two nodes ND1 and ND2 in FIG. 6) in order to detect the voltage of the thermistor element TH provided on the substrate X, and the manufacturing cost is reduced. There are increasing problems.
- a power conversion device includes: A semiconductor device provided on a substrate, wherein the output unit is connected to an output node of the substrate, a first input unit is connected to a first control node of the substrate, and a second of the substrate A second input connected to the control node; a first drive current node connected to the power supply side node of the substrate; and a second drive current node connected to the ground side node of the substrate.
- a semiconductor element having A thermistor element provided on the substrate, having one end connected to the ground side node and the other end connected to a detection node of the substrate, and detecting the temperature of the substrate;
- a current detection resistor having one end connected to the ground side node and the other end connected to ground;
- a first detection according to a first potential difference between the first potential and the second potential is detected by detecting a first potential at the other end of the current detection resistor and a second potential at the ground side node.
- a first voltage detector for outputting a signal; Based on the first detection signal, the first control signal is output to the first input unit via the first control node, and the second control signal is output to the second control node.
- the semiconductor element is A first transistor having one end that is the first drive current node, the other end connected to the output unit, and a gate that is the first input unit; A second transistor having one end connected to the output unit, the other end serving as the second drive current node, and a gate serving as the second input unit;
- the controller is Based on the first detection signal, a first control signal is output to the gate of the first transistor via the first control node to control the first transistor, and a second The control signal is output to the gate of the second transistor through the second control node to control the second transistor.
- the temperature detector is The third potential of the detection node is input and the first detection signal is input; A resistance value of the thermistor element is acquired based on the third potential and the first potential difference, and a temperature corresponding to the resistance value of the thermistor element is detected.
- the temperature detector is Obtaining a second potential difference obtained by subtracting the first potential difference from the potential difference between the third potential and the ground potential; Dividing a potential difference between the reference potential and the third potential by a resistance value of the temperature detection resistor to obtain a current value of a current flowing through the thermistor element; A value obtained by dividing the second potential difference by the current value is obtained as a resistance value of the thermistor element.
- a second voltage detector for detecting the second potential of the ground side node and the third potential of the detection node;
- the temperature detector is A signal including information on the second and third potentials is input from the second voltage detection unit, Obtaining a resistance value of the thermistor element based on the third potential and the second potential; A temperature corresponding to a resistance value of the thermistor element is detected.
- the temperature detector is Obtaining a second potential difference between the third potential and the second potential; Dividing a potential difference between the reference potential and the third potential by a resistance value of the temperature detection resistor to obtain a current value of a current flowing through the thermistor element; A value obtained by dividing the second potential difference by the current value of the current flowing through the thermistor element is obtained as a resistance value of the thermistor element.
- the temperature detector is A signal including information on the first and third potentials is input from the second voltage detection unit, A resistance value of the thermistor element is acquired based on the first potential and the third potential, and a temperature corresponding to the resistance value of the thermistor element is detected.
- the temperature detector is Obtaining a potential difference between the third potential and the first potential; Dividing a potential difference between the reference potential and the third potential by a resistance value of the temperature detection resistor to obtain a current value of a current flowing through the thermistor element; A value obtained by dividing the potential difference between the third potential and the first potential by the current value is obtained as a resistance value of the thermistor element.
- the temperature detector is A signal including information on the first and third potentials is input from the second voltage detection unit, and the first detection signal is input. Obtaining a resistance value of the thermistor element based on the first potential, the third potential, and the first potential difference; A temperature corresponding to a resistance value of the thermistor element is detected.
- the temperature detector is Obtaining a second potential difference obtained by subtracting the first potential difference from the potential difference between the third potential and the first potential; Dividing a potential difference between the reference potential and the third potential by a resistance value of the temperature detection resistor to obtain a current value of a current flowing through the thermistor element; A value obtained by dividing the second potential difference by the current value is obtained as a resistance value of the thermistor element.
- the resistance value of the temperature detection resistor is larger than the resistance value of the current detection resistor, and the resistance value of the thermistor element at room temperature is larger than the resistance value of the temperature detection resistor. .
- the controller is A first current flowing through the current detection resistor is acquired based on the first detection signal, and the first control signal is transmitted via the first control node based on the value of the first current. Output to the gate of the first transistor to control the first transistor, and output the second control signal to the gate of the second transistor via the second control node. And controlling the second transistor.
- the first transistor has a drain that is one end of the first transistor connected to the power supply side node, and a source that is the other end of the first transistor connected to the output node.
- the second transistor has a drain which is one end of the second transistor connected to the output node, and a second nMOS transistor whose source which is the other end of the second transistor is connected to the ground side node. It is characterized by.
- the power supply node is connected to a power supply potential.
- a semiconductor device includes: A semiconductor device provided on a substrate, wherein the output unit is connected to an output node of the substrate, a first input unit is connected to a first control node of the substrate, and a second of the substrate A second input connected to the control node; a first drive current node connected to the power supply side node of the substrate; and a second drive current node connected to the ground side node of the substrate.
- a power conversion device is a semiconductor element provided over a substrate, and includes an output unit connected to an output node of the substrate, and a first connected to the first control node of the substrate.
- a thermistor element for detecting the temperature of the substrate provided on the substrate, having one end connected to the ground side node and the other end connected to the detection node of the substrate, A current detection resistor having one end connected to the ground side node and the other end connected to the ground, a first potential of the other end of the current detection resistor, and a second potential of the ground side node are detected, and the first potential is detected.
- the first detection signal corresponding to the first potential difference between the first potential and the second potential Based on the first detection signal, the first control signal is output to the first input unit via the first control node, and the second control signal is output.
- the power conversion device connects the other end of the thermistor element to the ground side node, and the current flowing in the semiconductor element (first and second transistors) through the node of the substrate grounded for voltage detection of the thermistor element. It is used in combination with a ground side node to which a current detection resistor for detecting current is connected.
- the number of nodes of the substrate used for detecting the voltage of the thermistor element can be reduced.
- the power conversion device according to the present invention can reduce the number of nodes of the substrate and reduce the manufacturing cost.
- FIG. 1 is a circuit diagram illustrating an example of the configuration of the power conversion apparatus 100 according to the first embodiment.
- FIG. 2 is a circuit diagram illustrating an example of a configuration of the power conversion device 200 according to the second embodiment.
- FIG. 3 is a circuit diagram showing an example of the configuration of the power conversion device 300 according to the third embodiment.
- FIG. 4 is a circuit diagram showing an example of the configuration of the power conversion apparatus 400 according to the fourth embodiment.
- FIG. 5 is a circuit diagram illustrating an example of a configuration of a power conversion device 500 according to the fifth embodiment.
- FIG. 6 is a circuit diagram showing an example of the configuration of a conventional power conversion device 100A.
- the power converter 100 (FIG. 1) according to the first embodiment includes a semiconductor element Z, a thermistor element TH, a current detection resistor RI, a temperature detection resistor RT, a first voltage detection unit VC1, A temperature detection unit TDC, a control unit CON, and a substrate X are provided.
- the semiconductor element Z, the thermistor element TH, and the substrate X constitute a semiconductor device Y.
- the substrate X has an output node NO, a first control node N1, a second control node N2, a power supply side node NS, and a ground side node NG.
- the output node NO is connected to the output terminal TOUT.
- the power supply node NS is connected to the power supply potential VS.
- the power supply side node NS is connected to the positive electrode of a battery (not shown) that outputs the power supply potential VS, and the negative electrode of the battery is connected to the ground.
- the semiconductor element Z is provided on the substrate X.
- the semiconductor element Z includes an output unit A connected to the output node NO of the substrate X, a first input unit G1 connected to the first control node N1 of the substrate X, and a second control node of the substrate X.
- a second input G2 connected to N2, a first drive current node D1 connected to the power supply side node NS of the substrate X, and a second drive current node connected to the ground side node NG of the substrate X D2.
- a drive current for the semiconductor element Z flows between the first and second drive current nodes D1 and D2 of the semiconductor element Z.
- the semiconductor element Z includes, for example, a first transistor Q1 and a second transistor Q2, as shown in FIG.
- the first transistor Q1 has one end (drain) which is the first drive current node D1, the other end (source) connected to the output unit A, and a gate which is the first input unit G1.
- the first transistor Q1 includes a first nMOS in which a drain, which is one end of the first transistor Q1, is connected to the power supply side node NS, and a source, which is the other end of the first transistor Q1, is connected to the output node NO. It is a transistor.
- the second transistor Q2 has one end (drain) connected to the output part A, the other end (source) which is the second drive current node D2, and a gate which is the second input part G2. Have.
- the second transistor Q2 includes a second nMOS in which the drain, which is one end of the second transistor Q2, is connected to the output node NO, and the source, which is the other end of the second transistor Q2, is connected to the ground side node NG. It is a transistor.
- the first and second transistors Q1 and Q2 constitute a three-phase bridge circuit that rectifies the output voltage of a motor (not shown).
- the thermistor element TH is provided on the substrate X, and one end is connected to the ground side node NG and the other end is connected to the detection node ND of the substrate X.
- the thermistor element TH is an element for detecting the temperature of the substrate X.
- the current detection resistor RI has one end connected to the ground side node NG and the other end connected to the ground.
- the current detection resistor RI is a resistor for detecting the drive current of the semiconductor element Z.
- the first voltage detector VC1 detects the first potential V1 at the other end of the current detection resistor RI and the second potential V2 at the ground node NG, and the first potential V1 and the second potential are detected. A first detection signal corresponding to the first potential difference of V2 is output.
- the temperature detection resistor RT has one end connected to the reference potential Vcc and the other end connected to the detection node ND.
- the temperature detection resistor RT is a resistor for detecting the temperature of the substrate X.
- the resistance value of the temperature detection resistor RT is set to be larger than the resistance value of the current detection resistor RI. Further, the resistance value of the thermistor element TH at room temperature is set to be larger than the resistance value of the temperature detection resistor RT.
- the temperature detection unit TDC detects the temperature based on the third potential V3 of the detection node ND, and outputs a temperature information signal including information on the detected temperature.
- the control unit CON outputs the first control signal to the first input unit G1 via the first control node N1 based on the first detection signal, and outputs the second control signal to the second input signal.
- the semiconductor element Z is controlled by outputting to the second input part G2 via the control node N2.
- control unit CON outputs the first control signal to the gate of the first transistor Q1 via the first control node N1 based on the first detection signal,
- the first transistor Q1 is controlled, and a second control signal is output to the gate of the second transistor Q2 via the second control node N2, thereby controlling the second transistor Q2.
- control unit CON acquires the first current flowing through the current detection resistor RI based on the first detection signal. Then, based on the value of the first current, the control unit CON outputs a first control signal to the gate of the first transistor Q1 via the first control node N1, and the first transistor Q1. And a second control signal is output to the gate of the second transistor Q2 via the second control node N2 to control the second transistor Q2.
- control unit CON controls the first and second transistors Q1 and Q2 so that the first transistor Q1 and the second transistor Q2 are switched on and off in a complementary manner.
- control unit CON is configured to switch on and off the first and second transistors Q1 and Q2 in a complementary manner by the first and second control signals based on the first detection signal. Control.
- the first voltage detection unit VC1 detects the first potential V1 at the other end of the current detection resistor RI and the second potential V2 at the ground side node NG, and the first potential is detected.
- a first detection signal corresponding to the first potential difference between V1 and the second potential V2 (potential difference of the current detection resistor RI) is output.
- And control part CON acquires the 1st current which flows into resistance RI for current detection based on the 1st detection signal, for example.
- the resistance value of the current detection resistor RI is a known value, if the first potential difference (the potential difference of the current detection resistor RI) is acquired based on the first detection signal, the first potential difference is obtained. By dividing the potential difference by the resistance value of the current detection resistor RI, the first current flowing through the current detection resistor RI can be acquired.
- the control unit CON outputs a first control signal to the gate of the first transistor Q1 via the first control node N1, and the first transistor Q1.
- a second control signal is output to the gate of the second transistor Q2 via the second control node N2 to control the second transistor Q2.
- control unit CON makes the first transistor Q1 and the second transistor Q2 switch on and off in a complementary manner based on a result of comparing the first current value and the specified value.
- the first and second transistors Q1 and Q2 are controlled.
- control unit CON is configured to switch on and off the first and second transistors Q1 and Q2 in a complementary manner by the first and second control signals based on the first detection signal. Control.
- the temperature detection unit TDC detects the temperature based on the third potential V3 of the detection node ND, and outputs a temperature information signal including information on the detected temperature.
- the temperature detection unit TDC acquires the potential difference between the third potential V3 and the ground potential.
- the potential difference includes a potential difference in the thermistor element TH and a potential difference in the current detection resistor RI.
- the resistance value of the current detection resistor RI is sufficiently smaller than the resistance value of the thermistor element TH.
- the temperature detection unit TDC divides the potential difference between the reference potential Vcc and the third potential V3 (potential difference in the temperature detection resistor RT) by the resistance value of the temperature detection resistor RT, and the current flowing through the thermistor element TH. Get the value. Then, the temperature detection unit TDC acquires a value obtained by dividing the potential difference between the third potential V3 and the ground potential by the acquired current value as the resistance value of the thermistor element TH. In this case, the resistance value of the current detection resistor RI is ignored.
- the temperature detection unit TDC detects the temperature corresponding to the acquired resistance value of the thermistor element TH, and outputs a temperature information signal including information on the detected temperature.
- the power conversion device 100 includes the semiconductor element Z provided over the substrate X, the output unit A connected to the output node NO of the substrate X, and the substrate X.
- the first input unit G1 connected to the first control node N1, the second input unit G2 connected to the second control node N2 of the substrate X, and the power supply side node NS of the substrate X
- the other end is connected to the detection node ND of the substrate X, the thermistor element TH for detecting the temperature of the substrate X, and one end connected to the ground side node NG and the other end connected to the ground Resistor RI and the other end of current detection resistor RI
- the first control signal is output to the first input unit G1 via the first control node N1, and the second control signal is output to the second control signal.
- a control unit CON that outputs to the second input unit G2 via the control node N2 and controls the semiconductor element Z, and a temperature detection unit having one end connected to the reference potential Vcc and the other end connected to the detection node ND
- a resistor RT and a temperature detector TDC that detects a temperature based on a third potential V3 of the detection node ND and outputs a temperature information signal including information on the detected temperature are provided.
- the power conversion apparatus 100 connects the other end of the thermistor element TH to the ground side node NG, and connects the node of the substrate X to be grounded for voltage detection of the thermistor element TH to the semiconductor element Z (first, second). This is used together with the ground side node NG to which the current detection resistor RI for detecting the current flowing through the transistors Q1, Q2) is connected.
- the number of nodes of the substrate X used for detecting the voltage of the thermistor element TH can be reduced (one for the thermistor element TH (detection node ND) becomes one).
- the power conversion device according to the present invention can reduce the number of nodes of the substrate and reduce the manufacturing cost.
- FIG. 2 is a circuit diagram illustrating an example of a configuration of the power conversion device 200 according to the second embodiment. 2, the same reference numerals as those in FIG. 1 indicate the same configurations as those in the first embodiment, and the description thereof is omitted.
- the power conversion device 200 (FIG. 2) according to the second embodiment includes a semiconductor element Z, a thermistor element TH, a current detection resistor RI, and a temperature detection resistor RT.
- a first voltage detection unit VC1, a temperature detection unit TDC, a control unit CON, and a substrate X are provided.
- the temperature detection unit TDC receives the third potential V3 of the detection node ND and the first detection signal.
- the second embodiment is different from the first embodiment in that the first detection signal is input to the temperature detection unit TDC.
- the temperature detection unit TDC is based on the third potential V3 and the above-described first potential difference (the potential difference between the first potential V1 and the second potential V, that is, the potential difference in the current detection resistor RI). Get the resistance value of TH.
- the temperature detection unit TDC detects a temperature corresponding to the resistance value of the thermistor element TH.
- the temperature detection unit TDC detects the first potential difference (current detection resistor RI) from the potential difference between the third potential V3 and the ground potential (potential difference between the thermistor element TH and the current detection resistor RI).
- the second potential difference (potential difference in the thermistor element TH) obtained by subtracting the potential difference in (thermistor element TH) is acquired.
- the temperature detection unit TDC divides the potential difference between the reference potential Vcc and the third potential V3 (potential difference in the temperature detection resistor RT) by the resistance value of the temperature detection resistor RT, and the current flowing through the thermistor element TH. Get the value. Then, the temperature detection unit TDC acquires a value obtained by dividing the second potential difference (potential difference in the thermistor element TH) by the acquired current value as the resistance value of the thermistor element TH.
- the number of nodes of the substrate used for detecting the voltage of the thermistor element can be reduced as in the first embodiment.
- the power conversion device according to the present invention can reduce the number of nodes of the substrate and reduce the manufacturing cost.
- the temperature detection unit receives the third potential of the detection node and the first detection signal, and the third potential and the first potential difference (potential difference in the current detection resistor).
- the resistance value of the thermistor element is acquired based on the above, and the temperature corresponding to the resistance value of the thermistor element is detected.
- the resistance value of the thermistor element is accurately obtained, thereby obtaining the substrate.
- the accuracy of temperature detection can be improved while reducing the number of nodes.
- FIG. 3 is a circuit diagram showing an example of the configuration of the power conversion device 300 according to the third embodiment.
- the same reference numerals as those in FIG. 1 indicate the same configurations as those in the first embodiment, and the description thereof is omitted.
- the power conversion device 300 (FIG. 3) according to the third embodiment further includes a second voltage detection unit VC2 as compared to the power conversion device 100 of the first embodiment.
- the second voltage detector VC2 detects the second potential V2 of the ground side node NG and the third potential V3 of the detection node ND.
- the temperature detection unit TDC receives a signal including information on the second and third potentials V2 and V3 from the second voltage detection unit VC2. Then, the temperature detection unit TDC acquires the resistance value of the thermistor element TH based on the third potential V3 and the second potential V2. Further, the temperature detection unit TDC detects a temperature corresponding to the acquired resistance value of the thermistor element TH.
- the temperature detection unit TDC performs the second potential difference between the third potential V3 and the second potential V2 based on a signal including information on the second and third potentials V2 and V3. (Potential difference in the thermistor element TH) is acquired.
- the temperature detection unit TDC divides the potential difference between the reference potential Vcc and the third potential V3 (potential difference in the temperature detection resistor RT) by the resistance value of the temperature detection resistor RT, and the current flowing through the thermistor element TH. Get the value. Then, the temperature detection unit TDC acquires a value obtained by dividing the second potential difference by the current value of the current flowing through the thermistor element TH as the resistance value of the thermistor element TH.
- the number of nodes of the substrate used for detecting the voltage of the thermistor element can be reduced.
- the power conversion device according to the present invention can reduce the number of nodes of the substrate and reduce the manufacturing cost.
- FIG. 4 is a circuit diagram showing an example of the configuration of the power conversion apparatus 400 according to the fourth embodiment.
- the same reference numerals as those in FIG. 3 indicate the same configurations as those in the third embodiment, and description thereof is omitted.
- the power conversion device 400 (FIG. 4) according to the fourth embodiment includes a semiconductor element Z, a thermistor element TH, a current detection resistor RI, and a temperature detection resistor RT.
- the first voltage detecting unit VC1, the second voltage detecting unit VC2, the temperature detecting unit TDC, the control unit CON, and the substrate X are provided.
- the second voltage detector VC2 detects the first potential V1 at the other end of the current detection resistor RI and the third potential V3 at the detection node ND.
- the fourth embodiment is different from the third embodiment in that the second voltage detection unit VC2 detects the first potential V1 at the other end of the current detection resistor RI.
- the temperature detection unit TDC receives a signal including information on the first and third potentials V1 and V3 from the second voltage detection unit VC2.
- the temperature detection unit TDC acquires the resistance value of the thermistor element TH based on the first potential V1 and the third potential V3 based on the signal including the information on the first and third potentials V1 and V3. The temperature corresponding to the resistance value of the thermistor element TH is detected.
- the temperature detection unit TDC performs a potential difference (thermistor element TH) between the third potential V3 and the first potential V1 based on a signal including information on the first and third potentials V1 and V3. And the potential difference in the current detection resistor RI).
- the temperature detection unit TDC obtains the current value of the current flowing through the thermistor element TH by dividing the potential difference between the reference potential Vcc and the third potential V3 by the resistance value of the temperature detection resistor RT.
- the temperature detection unit TDC acquires a value obtained by dividing the potential difference between the third potential V3 and the first potential V1 by the acquired current value as the resistance value of the thermistor element TH.
- the number of nodes of the substrate used for detection of the thermistor element voltage can be reduced as in the third embodiment.
- the power conversion device according to the present invention can reduce the number of nodes of the substrate and reduce the manufacturing cost.
- FIG. 5 is a circuit diagram illustrating an example of a configuration of a power conversion device 500 according to the fifth embodiment.
- the same reference numerals as those in FIG. 4 indicate the same configurations as those in the fourth embodiment, and the description thereof is omitted.
- the power conversion device 500 (FIG. 5) according to the fifth embodiment includes a semiconductor element Z, a thermistor element TH, a current detection resistor RI, and a temperature detection resistor RT.
- the first voltage detecting unit VC1, the second voltage detecting unit VC2, the temperature detecting unit TDC, the control unit CON, and the substrate X are provided.
- the second voltage detector VC2 detects the first potential V1 at the other end of the current detection resistor RI and the third potential V3 at the detection node ND. It is supposed to be.
- the temperature detection unit TDC receives a signal including information on the first and third potentials V1 and V3 from the second voltage detection unit VC2, and the first detection from the first voltage detection unit VC1. A signal is input.
- the fifth embodiment is different from the fourth embodiment in that the first detection signal is input to the temperature detection unit TDC.
- the temperature detection unit TDC acquires the resistance value of the thermistor element TH based on the first potential V1, the third potential V3, and the first potential difference. Furthermore, the temperature detection unit TDC detects a temperature corresponding to the resistance value of the thermistor element TH.
- the temperature detection unit TDC determines the first potential difference (current detection) from the potential difference between the third potential V3 and the first potential V1 (potential difference between the thermistor element TH and the current detection resistor RI).
- the second potential difference (potential difference in the thermistor element TH) obtained by subtracting the potential difference in the resistor for use RI) is acquired.
- the temperature detection unit TDC divides the potential difference between the reference potential Vcc and the third potential V3 (potential difference in the temperature detection resistor RT) by the resistance value of the temperature detection resistor RT, and the current flowing through the thermistor element TH. Get the value.
- the temperature detection unit TDC acquires a value obtained by dividing the second potential difference by the acquired current value as the resistance value of the thermistor element TH.
- the number of nodes of the substrate used for detecting the thermistor element voltage can be reduced as in the fourth embodiment.
- the power conversion device according to the present invention can reduce the number of nodes of the substrate and reduce the manufacturing cost.
- the temperature detection unit receives the third potential of the detection node and the first detection signal, and the third potential and the first potential difference (current detection).
- the resistance value of the thermistor element is acquired based on the potential difference in the resistance for use, and the temperature corresponding to the resistance value of the thermistor element is detected.
- the resistance value of the thermistor element is accurately obtained, thereby obtaining the substrate.
- the accuracy of temperature detection can be improved while reducing the number of nodes.
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Abstract
Description
基板上に設けられた半導体素子であって、前記基板の出力ノードに接続された出力部と、前記基板の第1の制御ノードに接続された第1の入力部と、前記基板の第2の制御ノードに接続された第2の入力部と、前記基板の電源側ノードに接続された第1の駆動電流ノードと、前記基板の接地側ノードに接続された第2の駆動電流ノードと、を有する半導体素子と、
前記基板上に設けられ、一端が前記接地側ノードに接続され、他端が前記基板の検出ノードに接続され、前記基板の温度を検出するためのサーミスタ素子と、
一端が前記接地側ノードに接続され、他端が接地に接続された電流検出用抵抗と、
前記電流検出用抵抗の他端の第1の電位及び前記接地側ノードの第2の電位を検出し、前記第1の電位と前記第2の電位の第1の電位差に応じた第1の検出信号を出力する第1の電圧検出部と、
前記第1の検出信号に基づいて、第1の制御信号を前記第1の制御ノードを介して前記第1の入力部に出力し、且つ、第2の制御信号を前記第2の制御ノードを介して前記第2の入力部に出力して、前記半導体素子を制御する制御部と、
一端が基準電位に接続され、他端が前記検出ノードに接続された温度検出用抵抗と、
前記検出ノードの第3の電位に基づいて温度を検出し、検出した温度の情報を含む温度情報信号を出力する温度検出部と、を備える
ことを特徴とする。
前記半導体素子は、
前記第1の駆動電流ノードである一端と、前記出力部に接続された他端と、前記第1の入力部であるゲートと、を有する第1のトランジスタと、
前記出力部に接続された一端と、前記第2の駆動電流ノードである他端と、前記第2の入力部であるゲートと、を有する第2のトランジスタと、を備え、
前記制御部は、
前記第1の検出信号に基づいて、第1の制御信号を前記第1の制御ノードを介して前記第1のトランジスタのゲートに出力して、前記第1のトランジスタを制御し、且つ、第2の制御信号を前記第2の制御ノードを介して前記第2のトランジスタのゲートに出力して、前記第2のトランジスタを制御する
ことを特徴とする。
前記温度検出部は、
前記検出ノードの前記第3の電位が入力され且つ前記第1の検出信号が入力され、
前記第3の電位と前記第1の電位差に基づいて前記サーミスタ素子の抵抗値を取得し、前記サーミスタ素子の抵抗値に対応する温度を検出することを特徴とする。
前記温度検出部は、
前記第3の電位と接地電位との電位差から前記第1の電位差を減算した第2の電位差を取得し、
前記基準電位と前記第3の電位との電位差を前記温度検出用抵抗の抵抗値で除算して前記サーミスタ素子に流れる電流の電流値を取得し、
前記第2の電位差を前記電流値で除算した値を前記サーミスタ素子の抵抗値として取得する
ことを特徴とする。
前記接地側ノードの前記第2の電位及び前記検出ノードの前記第3の電位を検出する第2の電圧検出部をさらに備え、
前記温度検出部は、
前記第2の電圧検出部から前記第2及び第3の電位の情報を含む信号が入力され、
前記第3の電位と前記第2の電位とに基づいて前記サーミスタ素子の抵抗値を取得し、
前記サーミスタ素子の抵抗値に対応する温度を検出することを特徴とする。
前記温度検出部は、
前記第3の電位と前記第2の電位との第2の電位差を取得し、
前記基準電位と前記第3の電位との電位差を前記温度検出用抵抗の抵抗値で除算して前記サーミスタ素子に流れる電流の電流値を取得し、
前記第2の電位差を前記サーミスタ素子に流れる電流の前記電流値で除算した値を前記サーミスタ素子の抵抗値として取得する
ことを特徴とする。
前記電流検出用抵抗の他端の前記第1の電位及び前記検出ノードの前記第3の電位を検出する第2の電圧検出部をさらに備え、
前記温度検出部は、
前記第2の電圧検出部から前記第1及び第3の電位の情報を含む信号が入力され、
前記第1の電位と前記第3の電位に基づいて前記サーミスタ素子の抵抗値を取得し、前記サーミスタ素子の抵抗値に対応する温度を検出する
ことを特徴とする。
前記温度検出部は、
前記第3の電位と前記第1の電位との電位差を取得し、
前記基準電位と前記第3の電位との電位差を前記温度検出用抵抗の抵抗値で除算して前記サーミスタ素子に流れる電流の電流値を取得し、
前記第3の電位と前記第1の電位との前記電位差を前記電流値で除算した値を前記サーミスタ素子の抵抗値として取得することを特徴とする。
前記電流検出用抵抗の他端の前記第1の電位及び前記検出ノードの前記第3の電位を検出する第2の電圧検出部をさらに備え、
前記温度検出部は、
前記第2の電圧検出部から前記第1及び第3の電位の情報を含む信号が入力され且つ前記第1の検出信号が入力され、
前記第1の電位、前記第3の電位、及び前記第1の電位差に基づいて前記サーミスタ素子の抵抗値を取得し、
前記サーミスタ素子の抵抗値に対応する温度を検出することを特徴とする。
前記温度検出部は、
前記第3の電位と前記第1の電位との電位差から前記第1の電位差を減算した第2の電位差を取得し、
前記基準電位と前記第3の電位との電位差を前記温度検出用抵抗の抵抗値で除算して前記サーミスタ素子に流れる電流の電流値を取得し、
前記第2の電位差を前記電流値で除算した値を前記サーミスタ素子の抵抗値として取得することを特徴とする。
前記温度検出用抵抗の抵抗値は、前記電流検出用抵抗の抵抗値よりも、大きく、常温における前記サーミスタ素子の抵抗値は、前記温度検出用抵抗の抵抗値よりも、大きいことを特徴とする。
前記制御部は、
前記第1の検出信号に基づいて前記電流検出用抵抗に流れる第1の電流を取得し、この第1の電流の値に基づいて、前記第1の制御信号を前記第1の制御ノードを介して前記第1のトランジスタのゲートに出力して、前記第1のトランジスタを制御し、且つ、前記第2の制御信号を前記第2の制御ノードを介して前記第2のトランジスタのゲートに出力して、前記第2のトランジスタを制御する
ことを特徴とする。
前記第1のトランジスタは、前記第1のトランジスタの一端であるドレインが前記電源側ノードに接続され、前記第1のトランジスタの他端であるソースが前記出力ノードに接続された第1のnMOSトランジスタであり、
前記第2のトランジスタは、前記第2のトランジスタの一端であるドレインが前記出力ノードに接続され、前記第2のトランジスタの他端であるソースが前記接地側ノードに接続された第2のnMOSトランジスタである
ことを特徴とする。
前記電源ノードは、電源電位に接続されていることを特徴とする。
基板上に設けられた半導体素子であって、前記基板の出力ノードに接続された出力部と、前記基板の第1の制御ノードに接続された第1の入力部と、前記基板の第2の制御ノードに接続された第2の入力部と、前記基板の電源側ノードに接続された第1の駆動電流ノードと、前記基板の接地側ノードに接続された第2の駆動電流ノードと、を有する半導体素子と、
前記基板上に設けられ、一端が前記接地側ノードに接続され、他端が前記基板の検出ノードに接続され、前記基板の温度を検出するためのサーミスタ素子と、を備えることを特徴とする。
Claims (15)
- 基板上に設けられた半導体素子であって、前記基板の出力ノードに接続された出力部と、前記基板の第1の制御ノードに接続された第1の入力部と、前記基板の第2の制御ノードに接続された第2の入力部と、前記基板の電源側ノードに接続された第1の駆動電流ノードと、前記基板の接地側ノードに接続された第2の駆動電流ノードと、を有する半導体素子と、
前記基板上に設けられ、一端が前記接地側ノードに接続され、他端が前記基板の検出ノードに接続され、前記基板の温度を検出するためのサーミスタ素子と、
一端が前記接地側ノードに接続され、他端が接地に接続された電流検出用抵抗と、
前記電流検出用抵抗の他端の第1の電位及び前記接地側ノードの第2の電位を検出し、前記第1の電位と前記第2の電位の第1の電位差に応じた第1の検出信号を出力する第1の電圧検出部と、
前記第1の検出信号に基づいて、第1の制御信号を前記第1の制御ノードを介して前記第1の入力部に出力し、且つ、第2の制御信号を前記第2の制御ノードを介して前記第2の入力部に出力して、前記半導体素子を制御する制御部と、
一端が基準電位に接続され、他端が前記検出ノードに接続された温度検出用抵抗と、
前記検出ノードの第3の電位に基づいて温度を検出し、検出した温度の情報を含む温度情報信号を出力する温度検出部と、を備える
ことを特徴とする電力変換装置。 - 前記半導体素子は、
前記第1の駆動電流ノードである一端と、前記出力部に接続された他端と、前記第1の入力部であるゲートと、を有する第1のトランジスタと、
前記出力部に接続された一端と、前記第2の駆動電流ノードである他端と、前記第2の入力部であるゲートと、を有する第2のトランジスタと、を備え、
前記制御部は、
前記第1の検出信号に基づいて、第1の制御信号を前記第1の制御ノードを介して前記第1のトランジスタのゲートに出力して、前記第1のトランジスタを制御し、且つ、第2の制御信号を前記第2の制御ノードを介して前記第2のトランジスタのゲートに出力して、前記第2のトランジスタを制御する
ことを特徴とする請求項1に記載の電力変換装置。 - 前記温度検出部は、
前記検出ノードの前記第3の電位が入力され且つ前記第1の検出信号が入力され、
前記第3の電位と前記第1の電位差に基づいて前記サーミスタ素子の抵抗値を取得し、前記サーミスタ素子の抵抗値に対応する温度を検出する
ことを特徴とする請求項2に記載の電力変換装置。 - 前記温度検出部は、
前記第3の電位と接地電位との電位差から前記第1の電位差を減算した第2の電位差を取得し、
前記基準電位と前記第3の電位との電位差を前記温度検出用抵抗の抵抗値で除算して前記サーミスタ素子に流れる電流の電流値を取得し、
前記第2の電位差を前記電流値で除算した値を前記サーミスタ素子の抵抗値として取得する
ことを特徴とする請求項3に記載の電力変換装置。 - 前記接地側ノードの前記第2の電位及び前記検出ノードの前記第3の電位を検出する第2の電圧検出部をさらに備え、
前記温度検出部は、
前記第2の電圧検出部から前記第2及び第3の電位の情報を含む信号が入力され、
前記第3の電位と前記第2の電位とに基づいて前記サーミスタ素子の抵抗値を取得し、
前記サーミスタ素子の抵抗値に対応する温度を検出することを特徴とする請求項2に記載の電力変換装置。 - 前記温度検出部は、
前記第3の電位と前記第2の電位との第2の電位差を取得し、
前記基準電位と前記第3の電位との電位差を前記温度検出用抵抗の抵抗値で除算して前記サーミスタ素子に流れる電流の電流値を取得し、
前記第2の電位差を前記サーミスタ素子に流れる電流の前記電流値で除算した値を前記サーミスタ素子の抵抗値として取得する
ことを特徴とする請求項5に記載の電力変換装置。 - 前記電流検出用抵抗の他端の前記第1の電位及び前記検出ノードの前記第3の電位を検出する第2の電圧検出部をさらに備え、
前記温度検出部は、
前記第2の電圧検出部から前記第1及び第3の電位の情報を含む信号が入力され、
前記第1の電位と前記第3の電位に基づいて前記サーミスタ素子の抵抗値を取得し、前記サーミスタ素子の抵抗値に対応する温度を検出する
ことを特徴とする請求項2に記載の電力変換装置。 - 前記温度検出部は、
前記第3の電位と前記第1の電位との電位差を取得し、
前記基準電位と前記第3の電位との電位差を前記温度検出用抵抗の抵抗値で除算して前記サーミスタ素子に流れる電流の電流値を取得し、
前記第3の電位と前記第1の電位との前記電位差を前記電流値で除算した値を前記サーミスタ素子の抵抗値として取得することを特徴とする請求項7に記載の電力変換装置。 - 前記電流検出用抵抗の他端の前記第1の電位及び前記検出ノードの前記第3の電位を検出する第2の電圧検出部をさらに備え、
前記温度検出部は、
前記第2の電圧検出部から前記第1及び第3の電位の情報を含む信号が入力され且つ前記第1の検出信号が入力され、
前記第1の電位、前記第3の電位、及び前記第1の電位差に基づいて前記サーミスタ素子の抵抗値を取得し、
前記サーミスタ素子の抵抗値に対応する温度を検出することを特徴とする請求項2に記載の電力変換装置。 - 前記温度検出部は、
前記第3の電位と前記第1の電位との電位差から前記第1の電位差を減算した第2の電位差を取得し、
前記基準電位と前記第3の電位との電位差を前記温度検出用抵抗の抵抗値で除算して前記サーミスタ素子に流れる電流の電流値を取得し、
前記第2の電位差を前記電流値で除算した値を前記サーミスタ素子の抵抗値として取得することを特徴とする請求項9に記載の電力変換装置。 - 前記温度検出用抵抗の抵抗値は、前記電流検出用抵抗の抵抗値よりも、大きく、常温における前記サーミスタ素子の抵抗値は、前記温度検出用抵抗の抵抗値よりも、大きいことを特徴とする請求項2に記載の電力変換装置。
- 前記制御部は、
前記第1の検出信号に基づいて前記電流検出用抵抗に流れる第1の電流を取得し、この第1の電流の値に基づいて、前記第1の制御信号を前記第1の制御ノードを介して前記第1のトランジスタのゲートに出力して、前記第1のトランジスタを制御し、且つ、前記第2の制御信号を前記第2の制御ノードを介して前記第2のトランジスタのゲートに出力して、前記第2のトランジスタを制御する
ことを特徴とする請求項2に記載の電力変換装置。 - 前記第1のトランジスタは、前記第1のトランジスタの一端であるドレインが前記電源側ノードに接続され、前記第1のトランジスタの他端であるソースが前記出力ノードに接続された第1のnMOSトランジスタであり、
前記第2のトランジスタは、前記第2のトランジスタの一端であるドレインが前記出力ノードに接続され、前記第2のトランジスタの他端であるソースが前記接地側ノードに接続された第2のnMOSトランジスタである
ことを特徴とする請求項2に記載の電力変換装置。 - 前記電源ノードは、電源電位に接続されていることを特徴とする請求項2に記載の電力変換装置。
- 基板上に設けられた半導体素子であって、前記基板の出力ノードに接続された出力部と、前記基板の第1の制御ノードに接続された第1の入力部と、前記基板の第2の制御ノードに接続された第2の入力部と、前記基板の電源側ノードに接続された第1の駆動電流ノードと、前記基板の接地側ノードに接続された第2の駆動電流ノードと、を有する半導体素子と、
前記基板上に設けられ、一端が前記接地側ノードに接続され、他端が前記基板の検出ノードに接続され、前記基板の温度を検出するためのサーミスタ素子と、を備えることを特徴とする半導体装置。
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201580060832.5A CN107041166B (zh) | 2015-08-28 | 2015-08-28 | 电力转换装置、以及半导体装置 |
| JP2017537050A JP6262411B2 (ja) | 2015-08-28 | 2015-08-28 | 電力変換装置、および、半導体装置 |
| EP15902906.5A EP3343741A4 (en) | 2015-08-28 | 2015-08-28 | Power conversion device and semiconductor device |
| US15/545,179 US10050031B2 (en) | 2015-08-28 | 2015-08-28 | Power conventer and semiconductor device |
| PCT/JP2015/074418 WO2017037780A1 (ja) | 2015-08-28 | 2015-08-28 | 電力変換装置、および、半導体装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/JP2015/074418 WO2017037780A1 (ja) | 2015-08-28 | 2015-08-28 | 電力変換装置、および、半導体装置 |
Publications (1)
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|---|---|
| WO2017037780A1 true WO2017037780A1 (ja) | 2017-03-09 |
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Family Applications (1)
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| PCT/JP2015/074418 Ceased WO2017037780A1 (ja) | 2015-08-28 | 2015-08-28 | 電力変換装置、および、半導体装置 |
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| Country | Link |
|---|---|
| US (1) | US10050031B2 (ja) |
| EP (1) | EP3343741A4 (ja) |
| JP (1) | JP6262411B2 (ja) |
| CN (1) | CN107041166B (ja) |
| WO (1) | WO2017037780A1 (ja) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021192035A1 (ja) * | 2020-03-24 | 2021-09-30 | 三菱電機株式会社 | 半導体駆動装置、半導体装置、及び電力変換装置 |
| DE212021000245U1 (de) | 2020-04-17 | 2022-06-08 | Rohm Co., Ltd. | Halbleiterbauteil |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10700216B2 (en) * | 2013-02-07 | 2020-06-30 | John Wood | Bidirectional bipolar-mode JFET driver circuitry |
| US11101372B2 (en) | 2013-02-07 | 2021-08-24 | John Wood | Double-sided vertical power transistor structure |
| CN109923667B (zh) * | 2017-10-10 | 2022-11-25 | 新电元工业株式会社 | 半导体装置、以及电力转换装置 |
| JP7343333B2 (ja) * | 2019-08-27 | 2023-09-12 | 日立Astemo株式会社 | 電力変換装置 |
| JP7391720B2 (ja) * | 2020-03-05 | 2023-12-05 | 株式会社東芝 | 半導体集積回路装置および電流検出回路 |
| US11774296B2 (en) * | 2021-11-11 | 2023-10-03 | Alpha And Omega Semiconductor International Lp | Method and circuit for sensing MOSFET temperature for load switch application |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005286270A (ja) * | 2004-03-31 | 2005-10-13 | Tdk Corp | パワーモジュール及びこれを用いた電力変換装置 |
| JP2012249482A (ja) * | 2011-05-31 | 2012-12-13 | Hitachi Automotive Systems Ltd | 電力変換装置 |
| JP2013026010A (ja) * | 2011-07-20 | 2013-02-04 | Sony Computer Entertainment Inc | 電気機器 |
| JP2015015348A (ja) * | 2013-07-04 | 2015-01-22 | 株式会社ジェイテクト | 半導体装置および電気回路 |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10374505B2 (en) * | 2004-12-16 | 2019-08-06 | John Wood | Power coupler |
| JP4369392B2 (ja) * | 2005-04-27 | 2009-11-18 | 東芝シュネデール・インバータ株式会社 | 充放電制御装置 |
| JP4969204B2 (ja) | 2006-10-31 | 2012-07-04 | Tdkラムダ株式会社 | 過電流保護回路 |
| KR101504429B1 (ko) * | 2013-09-02 | 2015-03-19 | 엘에스산전 주식회사 | 네거티브 온도 계수 서미스터를 이용한 온도 측정 장치 |
| JP6279898B2 (ja) * | 2013-12-26 | 2018-02-14 | 株式会社東芝 | スイッチング制御装置 |
| CN107076620B (zh) * | 2014-11-11 | 2019-08-13 | 住友电气工业株式会社 | 温度检测装置 |
| CN107466424B (zh) * | 2016-04-06 | 2020-07-17 | 新电元工业株式会社 | 功率模块 |
-
2015
- 2015-08-28 EP EP15902906.5A patent/EP3343741A4/en not_active Withdrawn
- 2015-08-28 JP JP2017537050A patent/JP6262411B2/ja active Active
- 2015-08-28 CN CN201580060832.5A patent/CN107041166B/zh active Active
- 2015-08-28 US US15/545,179 patent/US10050031B2/en active Active
- 2015-08-28 WO PCT/JP2015/074418 patent/WO2017037780A1/ja not_active Ceased
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005286270A (ja) * | 2004-03-31 | 2005-10-13 | Tdk Corp | パワーモジュール及びこれを用いた電力変換装置 |
| JP2012249482A (ja) * | 2011-05-31 | 2012-12-13 | Hitachi Automotive Systems Ltd | 電力変換装置 |
| JP2013026010A (ja) * | 2011-07-20 | 2013-02-04 | Sony Computer Entertainment Inc | 電気機器 |
| JP2015015348A (ja) * | 2013-07-04 | 2015-01-22 | 株式会社ジェイテクト | 半導体装置および電気回路 |
Non-Patent Citations (1)
| Title |
|---|
| See also references of EP3343741A4 * |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021192035A1 (ja) * | 2020-03-24 | 2021-09-30 | 三菱電機株式会社 | 半導体駆動装置、半導体装置、及び電力変換装置 |
| JPWO2021192035A1 (ja) * | 2020-03-24 | 2021-09-30 | ||
| JP7546655B2 (ja) | 2020-03-24 | 2024-09-06 | 三菱電機株式会社 | 半導体駆動装置、半導体装置、及び電力変換装置 |
| DE212021000245U1 (de) | 2020-04-17 | 2022-06-08 | Rohm Co., Ltd. | Halbleiterbauteil |
| DE112021001035T5 (de) | 2020-04-17 | 2022-12-15 | Rohm Co., Ltd. | Halbleiterbauteil |
| US12463118B2 (en) | 2020-04-17 | 2025-11-04 | Rohm Co., Ltd. | Semiconductor device |
Also Published As
| Publication number | Publication date |
|---|---|
| EP3343741A1 (en) | 2018-07-04 |
| JPWO2017037780A1 (ja) | 2017-10-12 |
| JP6262411B2 (ja) | 2018-01-17 |
| EP3343741A4 (en) | 2018-08-29 |
| CN107041166B (zh) | 2019-03-12 |
| US10050031B2 (en) | 2018-08-14 |
| CN107041166A (zh) | 2017-08-11 |
| US20180006018A1 (en) | 2018-01-04 |
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