WO2018053902A1 - Dispositif électronique et son procédé de charge - Google Patents

Dispositif électronique et son procédé de charge Download PDF

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Publication number
WO2018053902A1
WO2018053902A1 PCT/CN2016/103870 CN2016103870W WO2018053902A1 WO 2018053902 A1 WO2018053902 A1 WO 2018053902A1 CN 2016103870 W CN2016103870 W CN 2016103870W WO 2018053902 A1 WO2018053902 A1 WO 2018053902A1
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WO
WIPO (PCT)
Prior art keywords
charger
charging
electronic device
protocol
charge
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Ceased
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PCT/CN2016/103870
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English (en)
Chinese (zh)
Inventor
丁兆刚
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Yulong Computer Telecommunication Scientific Shenzhen Co Ltd
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Yulong Computer Telecommunication Scientific Shenzhen Co Ltd
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Publication of WO2018053902A1 publication Critical patent/WO2018053902A1/fr
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Ceased legal-status Critical Current

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    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries
    • H02J7/90—Regulation of charging or discharging current or voltage
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries
    • H02J7/40—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries characterised by the exchange of charge or discharge related data
    • H02J7/47—Arrangements for checking compatibility or authentication between one component, e.g. a battery or a battery charger, and another component, e.g. a power source

Definitions

  • the present invention relates to the field of rapid charging technologies, and in particular, to an electronic device and a charging method thereof.
  • a mobile phone supporting the QC2.0/QC3.0 protocol usually does not support VOOC (Voltage Open Loop Multi-step Constant-Current Charging).
  • Multi-step constant current charging) protocol scheme and Pump Express2.0 fast charging protocol (referred to as PE+2.0), Pump Express 3.0 fast charging protocol (referred to as PE+3.0), that can only be matched with support QC2.0/QC3.0
  • the protocol's charger enables fast charging and cannot be quickly charged with a charger that supports the VOOC protocol and the PE+2.0 protocol.
  • Mobile phones that support the VOOC protocol usually do not support the QC2.0 protocol and the PE+2.0 protocol. That is, they can only be quickly charged with a charger that supports the VOOC protocol.
  • the 2.0 protocol charger performs fast charging.
  • the mobile phone supporting the PE+2.0/PE+3.0 protocol usually does not support the QC2.0/QC3.0 protocol scheme and the VOOC protocol scheme, that is, it can only be quickly charged with a charger supporting the PE+2.0/PE+3.0 protocol. It is not possible to charge quickly with a charger that supports the QC2.0/QC3.0 protocol and the VOOC protocol. Therefore, the compatibility of the existing electronic device with the charger is poor.
  • An electronic device comprising:
  • the charging module is configured to connect to a charger
  • the CPU is connected to the charging module, configured to control the charging module to detect a port type of the connected charger, and obtain from the charger according to a port type of the charger a charging current corresponding to the port type to charge the electronic device;
  • the CPU is further configured to further control the charging module to detect a dedicated fast charging protocol supported by the charger when the charging module detects that the charger is a dedicated charging port type charger, and select a corresponding A dedicated fast charge protocol scheme controls the charger to charge the electronic device.
  • the port type of the charger further includes a standard downlink port and a charging downlink port:
  • the charging module detects that the charger is a standard downlink port type charger, the CPU acquires a first charging current from the charger to charge the electronic device;
  • the charging module detects that the charger is a charging downlink port type charger, the CPU acquires a second charging current from the charger to charge the electronic device.
  • the electronic device further includes a power management module, the power management module is configured to detect whether the charging module is connected to the charger, and when the electronic device is connected to the charger, The CPU controls the charging module to detect a port type of the charger.
  • the charging module detects the USB battery charging specification 1.2 protocol to complete the first handshake of the electronic device and the charger.
  • the dedicated fast charging protocol includes a Quick Charge 2.0 protocol, a Quick Charge 3.0 protocol, a Pump Express 2.0 protocol, a Pump Express 3.0 protocol, and a voltage open loop multi-step constant current charging VOOC protocol.
  • a charging method for controlling a charger to charge an electronic device comprising:
  • Charging the electronic device by acquiring a corresponding charging current from the charger according to a port type of the charger;
  • the charger is a dedicated charging port type charger, and the charger is detected
  • a corresponding dedicated fast charging protocol scheme is selected to control the charger to charge the electronic device.
  • the port type of the charger further includes a standard downlink port and a charging downlink port
  • the method further includes:
  • the second charging current is obtained from the charger to charge the electronic device.
  • the method further includes detecting whether a charging module of the electronic device is connected to the charger, and detecting a port type of the charger when the electronic device is connected to the charger .
  • the method further includes:
  • USB Battery Charging Specification 1.2 protocol is detected to complete the first handshake of the electronic device and the charger.
  • the dedicated fast charging protocol includes a Quick Charge 2.0 protocol, a Quick Charge 3.0 protocol, a Pump Express 2.0 protocol, a Pump Express 3.0 protocol, and a voltage open loop multi-step constant current charging VOOC protocol.
  • the electronic device and the charging method thereof can detect a dedicated fast charging protocol supported by the charger, and select a corresponding dedicated fast charging protocol to perform charging according to the detection result, so that the electronic device can be compatible and supported.
  • a charger for the charging protocol is convenient for users to enhance the user experience.
  • FIG. 1 is a circuit diagram of an electronic device in accordance with a preferred embodiment of the present invention.
  • FIG. 2 is a flow chart of the method of the first preferred embodiment of the present invention.
  • Figure 3 is a flow chart showing the method of the second preferred embodiment of the present invention.
  • FIG. 4 is a flow chart of a method in accordance with a third preferred embodiment of the present invention.
  • Figure 5 is a flow chart showing the method of the fourth preferred embodiment of the present invention.
  • Figure 6 is a flow chart showing the method of the fifth preferred embodiment of the present invention.
  • Figure 7 is a flow chart showing the method of the sixth preferred embodiment of the present invention.
  • the electronic device 100 includes a charging module 10 and a CPU (Central Processing Unit) 30.
  • the electronic device 100 can be connected to the charger 200 for charging.
  • the charger 200 includes a connector 201.
  • the connector 201 may be a USB connector, and the connector 201 includes a voltage pin VBUS, a ground pin GND, data pins USB_D+(D+), and USB_D-(D-).
  • the charging module 10 is disposed to be connected to the charger 200.
  • the charging module 10 is directly connected to the VBUS pin and the ground pin GND, and is connected to the data pin USB_D+ via the first resistor R1, and the second resistor R2 and the data.
  • Pin USB_D- is connected.
  • the CPU 30 is connected to the charging module 10, and is configured to control the charging module 10 to detect the port type of the connected charger 200, and control the charger 200 according to the port type of the charger 200.
  • the charging scheme of the electronic device 100 Specifically, the CPU 30 acquires a charging current corresponding to the port type from the charger 200 to charge the electronic device 100.
  • the port type of the charger 200 includes an SDP (Standard Downstream Port), a CDDP (Charging Downstream Port), and a DCP (Dedicated Charging Port). If the charging module 10 detects that the charger 200 is of the SDP type, acquiring a first charging current from the charger 200 to charge the electronic device, if the charging module 10 detects the charger 200 For the CDP type, the second charging current is obtained from the charger 200 to charge the electronic device.
  • the first charging current is a charging current having a maximum current of about 500 mA
  • the second charging current is a charging current having a maximum current of about 900 mA.
  • the charging module 10 detects that the charger 200 is a DCP type charger, The CPU 30 controls the charging module 10 to further detect whether the charger 200 supports a dedicated fast charging protocol. If the charger 200 supports a dedicated fast charging protocol, the corresponding dedicated fast charging protocol scheme is selected for the electronic device 100. Charge it.
  • the dedicated fast charging protocol includes a Quick Charge 2.0 protocol (QC2.0), a Quick Charge 3.0 protocol (QC3.0), a Pump Express 2.0 fast charging protocol (referred to as PE+2.0), and a pump.
  • the CPU 30 specifically detects that the dedicated fast charging protocol supported by the charger 200 is specifically described in the preferred embodiment of the present invention as shown in FIGS. 2-7.
  • the electronic device 100 further includes a power management module 70, the power management module 70 is configured to detect whether the electronic device 100 is connected to the charger 200, if The charging module 10 is connected to the charger 200, and the charging module 10 detects the port type of the charger 200. If the charging module 10 is not connected to the charger 200, the power management module 70 The detection is repeated at a preset frequency until it is detected that the charger 200 is connected to the electronic device 100.
  • FIG. 2 a flow chart of a first preferred embodiment of the charging method of the present invention.
  • the charging method includes the following steps.
  • the preferred embodiment is also a preferred embodiment of the invention.
  • the order of execution in the flowchart shown in the figure may vary depending on various requirements, and some may be omitted.
  • Step 300 the power management module 70 detects whether the charging module 10 is connected to the charger 200. If it is detected that the electronic device 100 is connected to the charger 200, the process proceeds to step 301, if the electronic device is not detected. The device 100 is connected to the charger 200, and the steps are repeated.
  • Step 301 the CPU 30 controls the charging module 10 to detect the USB Battery Charging Specification 1.2 protocol (BC 1.2 for short) to complete the first handshake of the electronic device 100 and the charger 200.
  • BC 1.2 USB Battery Charging Specification 1.2 protocol
  • Step 302 the CPU 30 controls the charging module 10 to detect whether the connected charger 200 is an SDP type charger 200. If it is detected that the connected charger 200 is an SDP type charger, proceed to step 303. If it is detected that the connected charger 200 is not an SDP type charger, then step 304 is entered.
  • the electronic device 100 when the electronic device 100 is connected to the charger 200, if the electrical module 10 detects that the D+ and D- signals of the electronic device are at a low level, it determines that the connected device is an SDP type charger.
  • Step 303 the CPU 30 controls the charging module 10 to acquire the first charging current from the charger 200 to charge the electronic device 100.
  • the first charging current is a charging current having a maximum current of about 500 mA.
  • Step 304 the CPU 30 controls the charging module 10 to detect whether the connected charger 200 is a CDP type charger 200. If it is detected that the connected charger 200 is a CDP type charger, then the process proceeds to step 305. If it is detected that the connected charger 200 is not a CDP type charger, then step 306 is entered.
  • the pull-up power supply VDM_SRC of the D-signal of the electronic device 100 is turned on, that is, the D-signal of the electronic device 100 is high, disconnected.
  • the pull-up power source VDP_SRC of the D+ signal of the electronic device 100 turns on the pull-down current source IDP_SINK of the D+ signal of the electronic device 100.
  • the D+ signal of the electronic device 100 will become a low level, and the connected charger can be judged accordingly.
  • a charger for the CDP type when the electronic device 100 is connected to a charger, then the pull-up power supply VDM_SRC of the D-signal of the electronic device 100 is turned on, that is, the D-signal of the electronic device 100 is high, disconnected.
  • the pull-up power source VDP_SRC of the D+ signal of the electronic device 100 turns on the pull-down current source IDP_SINK of the D+ signal of the electronic device 100.
  • the D+ signal of the electronic device 100 will become a low level, and the
  • Step 305 the CPU 30 controls the charging module 10 to acquire the second charging current from the charger 200 to charge the electronic device 100.
  • the second charging current is a charging current having a maximum current of about 900 mA.
  • Step 306 the CPU 30 controls the charging module 10 to detect whether the connected charger 200 is a DCP type charger. If it is detected that the connected charger 200 is a DCP type charger 200, the process proceeds to step 307. If it is detected that the connected charger 200 is not a DCP type charger, then step 308 is entered.
  • the pull-up power supply VDM_SRC of the D-signal of the electronic device 100 is turned on, that is, the D-signal of the electronic device 100 is high, disconnected.
  • the pull-up power source VDP_SRC of the D+ signal of the electronic device 100 turns on the pull-down current source IDP_SINK of the D+ signal of the electronic device 100.
  • the D+ signal of the electronic device 100 will become a high level, and at this time, the connected charging is judged accordingly.
  • the device is a DCP type charger.
  • Step 307 the CPU 30 controls the charging module 10 to set to acquire a third charging current from the charger 200 to charge the electronic device 100.
  • the third charging The electric current is a charging current with a maximum current of about 500 mA.
  • Step 308 the CPU 30 controls the charging module 10 to detect whether the charger 200 supports the QC3.0 protocol. If the charger 200 supports the QC3.0 protocol, proceed to step 309, if the charger 200 does not If the QC3.0 protocol is supported, the process proceeds to step 310.
  • the electronic device 100 first performs detection according to the USB BC1.2 specification, and then detects whether the charger 200 supports the QC3.0 protocol according to the output voltage on the D+. .
  • the method of specific detection can refer to the content of the QC3.0 protocol.
  • Step 309 the CPU 30 controls the charging module 10 to charge the electronic device 100 by using a QC3.0 protocol scheme.
  • Step 310 The CPU 30 controls the charging module 10 to detect whether the charger 200 supports the QC2.0 protocol. If the charger 200 supports the QC2.0 protocol, the process proceeds to step 311, if the charger 200 does not To support the QC2.0 protocol, proceed to step 312.
  • the electronic device 100 performs detection according to the USB BC 1.2 specification.
  • the electronic device 100 turns on a pull-up power supply VDP_SRC at its D+.
  • the charger 200 detects the output voltage on D+ and ensures that the output voltage on D+ is higher than the first determination level VDAT_REF and lower than the second determination level VSEL_REF in one second.
  • the charger 200 opens D+ and D- and turns on the pull-down resistor Rdm_dwn. If D- remains low, the electronic device 100 does not support the QC2.0 protocol specification. If D- remains high, the electronic device 100 supports the QC2.0 protocol.
  • Step 311 the CPU 30 controls the charging module 10 to charge the electronic device 100 by using a QC2.0 protocol scheme.
  • Step 312 the CPU 30 controls the charging module 10 to detect whether the charger 200 supports the PE+3.0 protocol. If the charger 200 supports the PE+3.0 protocol, the process proceeds to step 313, if the charger 200 does not If the PE+3.0 protocol is supported, the process proceeds to step 314.
  • the charging module 10 determines whether the charger 200 supports PE+ according to the handshake protocol in the PE+3.0 protocol. 3.0 agreement. For example, the charging module 10 sends a rising voltage command Current Pattern, and the output voltage of the charger 200 is adjusted to a preset value and maintained. Therefore, The charging module 10 can determine whether the device inserted via the USB connector is a FC-compliant power adapter by measuring VBUS. If the VBUS meets the specifications of the power adapter outputting the preset value, it can be determined that the charger 200 supports the PE+3.0 protocol.
  • Step 313 the CPU 30 controls the charging module 10 to charge the electronic device 100 by using a PE+3.0 protocol scheme.
  • Step 314 the CPU 30 controls the charging module 10 to detect whether the charger 200 supports the PE+2.0 protocol. If the charger 200 supports the PE+2.0 protocol, the process proceeds to step 313, if the charger 200 does not If the PE+2.0 protocol is supported, the process proceeds to step 314.
  • the charging module 10 when the charging module 10 determines that the charger connected to the electronic device 100 is of the CDP type or the DCP type, the charging module 10 sends a voltage boosting pattern to further distinguish whether the inserted device is in conformity.
  • the output voltage of the charger 200 is adjusted to 7V and maintained. Therefore, the charging module 10 can determine whether the device inserted via the USB connector is a FC-compliant power adapter by measuring VBUS. If the VBUS meets the 7V specification of the power adapter output, it can be determined that the charger 200 supports the PE+2.0 protocol.
  • Step 315 the CPU 30 controls the charging module 10 to charge the electronic device 100 by using a PE+2.0 protocol scheme.
  • Step 316 the CPU 30 detects whether the charger 200 supports the VOOC protocol. If the charger 200 supports the VOOC protocol, the process proceeds to step 315. If the charger 200 does not support the QC2.0 protocol, the process proceeds to step 316. .
  • the charging module 10 determines the protocol of the VOOC by detecting the D+ signal of the connector 201 and the D-signal, wherein D+ is used to transmit the CLK data of the handshake signal, and D- is used to transmit the handshake signal. DATA data.
  • Step 317 the CPU 30 charges the electronic device 100 by using a VOOC protocol scheme.
  • Step 318 the CPU 30 controls the charging module 10 to perform regular charging according to a common 5V charger type.
  • step 316 is performed.
  • step 317 is performed; if the determination in step 316 is NO, step 312 is performed.
  • step 313 is performed; if the determination in step 312 is no, step 314 is performed.
  • step 315 is performed; if the determination in step 314 is no, step 318 is performed.
  • step 312 when the determination in step 306 is YES, step 312 is performed.
  • step 313 is performed; if the determination in step 312 is no, step 314 is performed.
  • step 315 is performed; if the determination in step 314 is no, step 308 is performed.
  • step 310 is performed.
  • step 316 is performed.
  • step 317 is performed.
  • step 318 is performed.
  • the other steps are the same as those in FIG. 2 and will not be described again.
  • step 312 when the determination in step 306 is YES, step 312 is performed.
  • step 313 is performed; if the determination in step 312 is no, step 314 is performed.
  • step 315 is performed; if the determination in step 314 is no, step 308 is performed.
  • step 310 is performed.
  • step 309 is performed.
  • step 311 is performed; if the determination in step 310 is no, step 316 is performed.
  • step 317 is performed; if the determination in step 316 is no, step 318 is performed.
  • the other steps are the same as those in FIG. 2 and will not be described again.
  • step 316 is performed.
  • step 317 is performed; if the determination in step 316 is no, step 308 is performed.
  • step 309 is performed; if the determination in step 308 is no, step 310 is performed.
  • step 311 is performed; if the determination in step 310 is no, step 312 is performed.
  • step 313 is performed; if the determination in step 312 is no, step 314 is performed.
  • step 315 is performed; if the determination in step 314 is no, step 318 is performed.
  • the other steps are the same as those in FIG. 2 and will not be described again.
  • step 316 when it is determined as YES in step 306, step 316 is performed.
  • step 317 is performed; if the determination in step 316 is NO, step 312 is performed.
  • step 313 is performed; step 312 If the determination is no, step 314 is performed.
  • step 315 is performed; if the determination in step 314 is no, step 308 is performed.
  • step 309 is performed; if the determination in step 308 is no, step 310 is performed. If the determination in step 310 is YES, step 311 is performed; if the determination in step 310 is no, step 318 is performed.
  • the other steps are the same as those in FIG. 2 and will not be described again.
  • the electronic device 100 and the charging method thereof can detect the dedicated fast charging and charging protocol supported by the charger 200, and select a corresponding dedicated fast charging and charging protocol to perform charging according to the detection result, so that the electronic device 100 can be compatible with the first support.
  • the charging protocol of the class-like charging protocol and the second type of charging protocol are convenient for the user to enhance the user experience.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

L'invention concerne un dispositif électronique (100) comprenant : un module de charge (10) prévu pour être connecté à un chargeur (200) ; une unité centrale (UC) (30) qui est connectée au module de charge (10) et qui est prévue pour commander le module de charge (10) pour détecter le type de port du chargeur (200) connecté, et sur la base du type de port du chargeur (200), pour acquérir, à partir du chargeur (200), le courant de charge correspondant au type de port pour charger le dispositif électronique (100). L'UC (30) et le module de charge (10) sont également prévus pour détecter en outre, lorsque le module de charge (10) détecte que le chargeur (200) est un chargeur (200) doté d'un port de charge dédiée, le protocole de charge rapide dédié pris en charge par le chargeur (200), et pour sélectionner la solution de protocole de charge rapide dédiée correspondante pour commander le chargeur (200) en vue de charger le dispositif électronique (100). L'invention concerne en outre un procédé de charge. Le dispositif électronique et le procédé de charge sont compatibles avec une pluralité de protocoles de charge rapide.
PCT/CN2016/103870 2016-09-26 2016-10-29 Dispositif électronique et son procédé de charge Ceased WO2018053902A1 (fr)

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CN201610853871.7 2016-09-26
CN201610853871.7A CN106300552A (zh) 2016-09-26 2016-09-26 电子装置及其充电方法

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CN117498508A (zh) * 2023-12-29 2024-02-02 深圳市卓芯微科技有限公司 移动设备的快充方法、装置、电子设备以及存储介质

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