WO2018036291A1 - 充电器充电电路、移动终端充电电路、充电器及移动终端 - Google Patents

充电器充电电路、移动终端充电电路、充电器及移动终端 Download PDF

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Publication number
WO2018036291A1
WO2018036291A1 PCT/CN2017/092551 CN2017092551W WO2018036291A1 WO 2018036291 A1 WO2018036291 A1 WO 2018036291A1 CN 2017092551 W CN2017092551 W CN 2017092551W WO 2018036291 A1 WO2018036291 A1 WO 2018036291A1
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WO
WIPO (PCT)
Prior art keywords
charging
circuit
data transmission
mobile terminal
transmission end
Prior art date
Application number
PCT/CN2017/092551
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English (en)
French (fr)
Inventor
贾广琪
刘彦彬
Original Assignee
维沃移动通信有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 维沃移动通信有限公司 filed Critical 维沃移动通信有限公司
Priority to EP17842714.2A priority Critical patent/EP3467992A4/en
Priority to US16/315,952 priority patent/US10862331B2/en
Publication of WO2018036291A1 publication Critical patent/WO2018036291A1/zh

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    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/007Regulation of charging or discharging current or voltage
    • H02J7/00712Regulation of charging or discharging current or voltage the cycle being controlled or terminated in response to electric parameters
    • H02J7/00714Regulation of charging or discharging current or voltage the cycle being controlled or terminated in response to electric parameters in response to battery charging or discharging current
    • H02J7/045
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0013Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries acting upon several batteries simultaneously or sequentially
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/02Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from ac mains by converters
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/02Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from ac mains by converters
    • H02J7/04Regulation of charging current or voltage
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J2207/00Indexing scheme relating to details of circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J2207/20Charging or discharging characterised by the power electronics converter
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J2207/00Indexing scheme relating to details of circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J2207/30Charge provided using DC bus or data bus of a computer
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/00032Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by data exchange
    • H02J7/00034Charger exchanging data with an electronic device, i.e. telephone, whose internal battery is under charge

Definitions

  • the present disclosure relates to the field of intelligent mobile terminal technologies, and in particular, to a charger charging circuit, a mobile terminal charging circuit, a charger, and a mobile terminal.
  • Embodiments of the present disclosure provide a charger charging circuit, a mobile terminal charging circuit, a charger, and a mobile terminal to solve the problem of poor overcurrent capability of standard USB sockets and cables in the related art.
  • an embodiment of the present disclosure provides a charger charging circuit, which is applied to a charger, and the charger charging circuit includes: a voltage conversion circuit that converts alternating current into direct current, and is connected to an alternating current charging power source; An interface, configured to be connected to a second charging interface of the mobile terminal, where the first charging interface includes: a voltage output end connected to the voltage conversion circuit, and a plurality of first data transmission ends; and a first control circuit, one end of the first control circuit Connecting to the voltage conversion circuit, the other end of the first control circuit is connected to at least one first data transmission end of the first data transmission end; wherein the charger charging circuit comprises: a first control state and a second control state; In the first control state, the voltage conversion circuit and the first data transmission end are connected, and the current output by the voltage conversion circuit flows through the respective paths of the voltage output end and the first data transmission end; in the second control state, the voltage The circuit between the conversion circuit and the first data transmission end is open, and the current output by the voltage conversion circuit flows only
  • embodiments of the present disclosure also provide a charger including the charger charging circuit as described above.
  • an embodiment of the present disclosure further provides a mobile terminal charging circuit, which is applied to a mobile terminal, and the mobile terminal can be connected to the foregoing charger.
  • the charging circuit includes: a second charging interface for connecting to the first charging interface of the charger, the second charging interface includes: a voltage input end and a plurality of second data transmitting ends; a charging control circuit, and a voltage input end a second control circuit, one end of the second control circuit is connected to the charging control circuit, and the other end of the second control circuit is connected to at least one second data transmission end of the second data transmission end; wherein the mobile terminal is charged
  • the circuit includes: a third control state and a fourth control state; when the charger charging circuit is in the first control state, the mobile terminal charging circuit is in a third control state, the data transmission end and the charging control circuit are connected, and the data transmission end is The current of the voltage input terminal flows into the charging control circuit; when the charging circuit of the charger is in the second control state, the charging circuit of the mobile terminal is in the fourth control state,
  • an embodiment of the present disclosure further provides a mobile terminal, including the mobile terminal charging circuit as described above.
  • the beneficial effects of the embodiments of the present disclosure are: by providing a first control circuit between the voltage conversion circuit and the data transmission end, the first control circuit can control the disconnection between the voltage conversion circuit and the data transmission end when fast charging is not required, The current output by the voltage conversion circuit only flows through the path where the voltage output terminal is located, and each data transmission end can normally transmit data; and when fast charging is required, the first control circuit controls the connection between the voltage conversion circuit and the data transmission end, and the voltage conversion The current outputted by the circuit flows through the respective paths of the voltage output end and the data transmission end, so that the charging path can be used to charge and increase the charging current without changing the existing cable standard. Increased charging speed.
  • FIG. 1 is a circuit schematic diagram of a charging circuit of the present disclosure
  • FIG. 2 is a circuit schematic diagram of a charger charging circuit of some embodiments of the present disclosure
  • FIG. 3 is a circuit schematic diagram of a mobile terminal charging circuit of some embodiments of the present disclosure.
  • FIG. 4 is a circuit schematic diagram of a logic device in a charging circuit of the present disclosure.
  • a mobile terminal 20.
  • a mobile terminal 20.
  • a second charging interface 202, a charging control circuit, 203, a battery, 204, a second control circuit, 205, a third control circuit, 206, a data processor;
  • an embodiment of the present disclosure provides a charger charging circuit, which is applied to a charger 10 , and the charger 10 specifically includes: a voltage conversion circuit 101 .
  • the voltage conversion circuit 101 is connected to the AC charging power source and is mainly used for converting the AC power output by the AC charging power source into DC power.
  • the voltage conversion circuit 101 may be an AC-DC converter, that is, an AC-DC circuit.
  • the first charging interface 102 is configured to be connected to the second charging interface 201 of the mobile terminal.
  • the first charging interface 102 includes a plurality of terminals or pins, and specifically includes: a voltage output terminal connected to the voltage conversion circuit 101, and a plurality of A first data transmission end for transmitting data.
  • the first charging interface 102 is generally a USB interface, the voltage output end of the first charging interface 102 is a voltage pin VBUS pin in the USB interface, and the first data transmission end of the first charging interface 102 includes a USB interface.
  • the data pins are D+ and D- pins.
  • the first control circuit 103 has one end connected to the voltage conversion circuit 101 and the other end connected to at least one of the plurality of first data transmission ends of the first charging interface 102, that is, the first control circuit 103
  • the input terminal is connected to the voltage conversion circuit 101
  • the output end of the first control circuit 103 is connected to at least one of the plurality of first data transmission terminals. It should be noted that the output end of the first control circuit 103 can be connected to one terminal, multiple terminals or all terminals of the plurality of first data transmission ends, and the specific number is not limited.
  • the charger charging circuit of the embodiment of the present disclosure includes a first control state and a second control state.
  • the first control state the voltage conversion circuit 101 and the selected first data transmission end are connected, and the current output by the voltage conversion circuit 101 flows through the voltage output end and the selected first data transmission end.
  • the second control state the voltage conversion circuit 101 is disconnected from the selected first data transmission end, and the current output by the voltage conversion circuit 101 flows only through the path where the voltage output terminal is located. At this time, the charging current only has a voltage output terminal flow.
  • the current and current are limited by the current of the charging cable in the existing standard, and only normal charging can be performed.
  • the first control circuit 103 includes: a first switch circuit 1031, and a first controller 1032 that controls the first switch circuit 1031 to be turned on and off.
  • the first end of the first switch circuit 1031 is connected to the voltage conversion circuit 101, and the second end of the first switch circuit 1031 is connected to at least one first data transmission end of the first data transmission end; the first controller 1032 and The control terminal of the first switch circuit 1031 is connected.
  • the first controller 1032 receives the fast charge signal transmitted by the mobile terminal, the first switch circuit 1031 is controlled to be turned on to connect the voltage conversion circuit 101 and the first data transmission end. That is, when the mobile terminal 20 needs fast charging, a fast charging command is triggered.
  • the conversion circuit 101 is in communication with the first data transmission end, and the current flowing through the voltage output terminal and the selected first data transmission terminal is used for charging, that is, the selected first data transmission terminal is multiplexed into a voltage. At the output, the total charging current is increased to enable fast charging.
  • the fast charge signal may be triggered after completing the logic of the handshake, power detection, and the like of the charging device.
  • the first switch circuit 1031 may select a logic device to function as a switch. Specifically, the control end of the logic device is connected to the first controller 1032, and the input end of the logic device is connected to the voltage conversion circuit 101, and the output of the logic device is The terminal is connected to at least one of the plurality of first data transmission ends of the first charging interface 102. Wherein, when the logic device is turned on, the voltage conversion circuit 101 is in communication with the first data transmission terminal, and when the logic device is turned off, the voltage conversion circuit 101 is disconnected from the first data transmission terminal.
  • the logic device may select a field effect transistor.
  • the logic device may select two fields.
  • the effect tube is built.
  • the two FETs may be P-type MOS tubes or N-type MOS tubes.
  • an N-type MOS transistor having a lower on-resistance can be preferably used.
  • the logic device includes: a first field effect transistor and a second field effect transistor.
  • the gate of the first field effect transistor and the gate of the second field effect transistor are connected in parallel to the first controller 1032; the source of the first field effect transistor is connected to the voltage conversion circuit 101; the drain of the first field effect transistor Connected to the drain of the second field effect transistor; the source of the second field effect transistor is coupled to at least one of the plurality of first data transmission ends of the first charging interface 102.
  • the first controller 1032 receives the fast charge signal, the first signal is output to control the first FET and the second FET to be turned on to connect the voltage conversion circuit 101 and the first data transmission end.
  • the first field effect transistor and the second field effect transistor are both in an off state, so that charging and data transmission do not affect each other, and no backflow problem occurs.
  • a charger 10 comprising a charger charging circuit as described above.
  • the charger charging circuit and the charger 10 of the embodiment of the present disclosure by providing the first control circuit 103 between the voltage conversion circuit 101 and the data transmission end, the first control circuit 103 can control the voltage conversion circuit when fast charging is not required 101 and the data transmission end are disconnected, the current output by the voltage conversion circuit 101 flows only through the path where the voltage output terminal is located, and each data transmission end can normally transmit data; and when fast charging is required, the first control circuit 103 controls the voltage conversion.
  • the circuit 101 and the data transmission end are connected, and the current output by the voltage conversion circuit 101 flows through the respective paths where the voltage output end and the data transmission end are located, so that the simultaneous use of the data can be realized without changing the existing cable standard.
  • the path of the transmission end is charged, the charging current is increased, and the charging speed is increased.
  • the mobile terminal charging circuit of the embodiment of the present disclosure includes: a second charging interface 201 connected to the first charging interface 102 of the charger 10, and charging control. Circuit 202, and second control circuit 204.
  • the second charging interface 201 includes a plurality of terminals or pins, and specifically includes: a plurality of second data transmission ends for data transmission, and a voltage input terminal for charging.
  • the second charging interface 201 can be a Micro USB interface or a USB Type-C interface. Wherein, when the second charging interface 201 is a Micro USB interface, the voltage output end of the second charging interface 201 is a voltage pin VBUS pin in the Micro USB interface, and the second data transmission end of the second charging interface 201 includes a Micro USB port. Data pins D+ and D- pins in the interface.
  • the voltage output end of the second charging interface 201 is a voltage pin VBUS pin in the USB Type-C interface
  • the second data transmission end of the second charging interface 201 includes Data pins D+, D-, Tx, Rx, SBU, and CC in the USB Type-C interface.
  • a charge control circuit 202 for charging the battery 203 of the mobile terminal 20 is connected to the voltage input terminal.
  • the second control circuit 204 has one end connected to the charging control circuit 202 and the other end connected to at least one second data transmission end of the second data transmission end, that is, the input end of the second control circuit 204 and the plurality of second data transmissions At least one second data transmission end of the terminals is connected, and an output of the second control circuit 204 is connected to the charging control circuit 202. It should be noted that the input end of the second control circuit 204 can be connected to one terminal, multiple terminals or all terminals of the plurality of second data transmission ends, and the specific number is not limited.
  • the mobile terminal charging circuit of the embodiment of the present disclosure includes a third control state and a fourth control state.
  • the second data transmitting end is connected to the charging control circuit 202, and the currents of the second data transmitting end and the voltage input end are all flowing.
  • the charging control circuit 202 at which time the current flowing through the voltage input terminal and the selected second data transmission terminal is used for charging, that is, the selected second data transmission terminal is multiplexed into a voltage output terminal, and the total assembly current is increased. Large, able to achieve fast charging.
  • the mobile terminal charging circuit When the charger charging circuit is in the second control state, the mobile terminal charging circuit is in the fourth control state, the second data transmitting end and the charging control circuit 202 are disconnected, and only the current flowing through the voltage input terminal flows in.
  • the charging control circuit 202 at this time, only the current flowing through the voltage input end of the charging current, and the current limitation of the charging cable in the existing standard of the current hand can only perform normal charging, and the second data transmitting end is used as a data transmission path.
  • the second control circuit 204 includes: a second switch circuit 2041, and a second controller 2042 that controls the second switch circuit 2041 to be turned on and off.
  • the first end of the second switch circuit 2041 is connected to at least one second data transmission end of the plurality of second data transmission ends of the second charging interface 201, and the second end of the second switch circuit 2041 and the charging control circuit 202 Connected, the second controller 2042 is coupled to the control terminal of the second switch circuit 2041.
  • the second controller 2042 receives the fast charge signal
  • the second switch circuit 2041 is controlled to be turned on to communicate between the second data transmission end and the charge control circuit 202, that is, when the mobile terminal 20 needs fast charging.
  • a control signal is output to control the second switch circuit 2041 to be turned on to connect the second data transmission end with the charge control circuit 202.
  • the current flowing through the voltage input terminal and the selected second data transmission terminal is used for charging, that is, the selected second data transmission terminal is multiplexed into a voltage output terminal, and the total assembly current is increased, which can be realized. fast charging.
  • the fast charge signal may be triggered after completing the logic of the handshake, power detection, and the like of the charging device.
  • the second switch circuit 2041 can select a logic device to function as a switch.
  • the control end of the logic device is connected to the second controller 2042, and the input end of the logic device and the plurality of second data of the second charging interface 201.
  • At least one second data transmission end of the transmission terminal is connected, and an output end of the logic device is connected to the charging control circuit 202.
  • the logic device when the logic device is turned on, the second data transmission end is in communication with the charging control circuit 202, and when the logic device is turned off, the second data transmission end is disconnected from the charging control circuit 202.
  • the logic device may select a field effect transistor, and the logic device may select two fields in order to completely isolate the mutual inversion between the voltage output terminal and the second data transmission terminal during charging and data transmission.
  • the effect tube is built.
  • the two FETs may be P-type MOS tubes or N-type MOS tubes. Among them, in order to reduce the path loss, an N-type MOS transistor having a lower on-resistance can be preferably used.
  • the logic device includes a third field effect transistor and a fourth field effect transistor. The gate of the third FET and the gate of the fourth FET are connected in parallel to the second controller 2042; the second FET is connected to the second charging interface 201.
  • At least one second data transmission end of the terminal is connected; a drain of the third field effect transistor is connected to a drain of the fourth field effect transistor; and a source of the fourth field effect transistor is connected to the charging control circuit 202.
  • the second controller 2042 receives the fast charge signal
  • the second signal is output to control the third FET and the fourth FET to be turned on, so that the second data transmission end and the charge control circuit 202 are Connected.
  • the third FET and the fourth FET are all in the off state, and the charging and data transmission do not affect each other, and no backflow problem occurs.
  • the charging circuit further includes: a third control circuit 205, one end is connected to the data processor 206 of the mobile terminal 20, and the other end is connected to the second charging interface 201.
  • the second data transmission end is connected, that is, the input end of the third control circuit 205 is connected to at least one of the plurality of second data transmission ends of the second charging interface 201, wherein the third control circuit
  • the input end of the 205 may be connected to one of the plurality of second data transmission ends, the plurality of terminals or all of the terminals, and the specific number is not limited, but the terminals are all used as terminals for charging multiplexing.
  • the output of the third control circuit 205 is coupled to the data processor 206 of the mobile terminal 20. Specifically, when the charging circuit is in the third control state, the data processor 206 and the second data transmission end are in an open state, and data transmission cannot be performed; when the charging circuit is in the fourth control state, the data processor 206 and the The two data transmission ends are in an on state, and data transmission can be performed normally.
  • the third control circuit 205 includes: a third switch circuit 2051, and a third controller 2052 for controlling the third switch circuit 2051 to be turned on and off.
  • the first end of the third switch circuit 2051 is connected to the second data transmission end of the second charging interface 201
  • the second end of the third switch circuit 2051 is connected to the data processor 206
  • the control end of the third switch circuit 2051 is The third controller 2052 is connected.
  • the third controller 2052 receives the fast charge signal transmitted by the charging control circuit
  • the third switch circuit 2051 is controlled to be turned off to disconnect the second data transmission end of the second charging interface 201 from the data processor 206. Connect to avoid problems with the interaction between charging and data transfer.
  • the third switch circuit 2051 can select a logic device having a switching function, the control end of the logic device is connected to the third controller 2052, and the input end of the logic device is connected to the second data transmission end of the second charging interface 201.
  • the output of the logic device is coupled to data processor 206.
  • the second data transmission end of the second charging interface 201 is in communication with the data processor 206, and the second data transmission terminal can normally transmit data; when the logic device is turned off, the second charging is performed.
  • the second data transmission end of the interface 201 is disconnected from the data processor 206, and the second data transmission end cannot perform data transmission.
  • the logic device may select a field effect transistor, and the logic device may select two fields in order to completely isolate the mutual inversion between the voltage output terminal and the second data transmission terminal during charging and data transmission.
  • the effect tube is built.
  • the logic device includes a fifth field effect transistor and a sixth field effect transistor.
  • the gate of the fifth FET and the gate of the sixth FET are connected in parallel to the third controller 2052; the source of the fifth FET is connected to the second data transmission end of the second charging interface 201.
  • the drain of the fifth field effect transistor is connected to the drain of the sixth field effect transistor; the source of the sixth field effect transistor is connected to the data processor 206.
  • the third controller 2052 receives the fast charge signal, the third signal is output, the fifth FET and the sixth FET are controlled to be turned off, and the second data mobile terminal charging circuit of the second charging interface 201 is disconnected. .
  • the mobile terminal charging circuit and the mobile terminal of the embodiments of the present disclosure can provide a first control circuit between the voltage conversion circuit and the data transmission end, and the first control circuit can control the voltage conversion circuit and the data transmission end when fast charging is not required.
  • the first control circuit controls between the voltage conversion circuit and the data transmission end.
  • Connected, and the data transmission end of the second charging interface is electrically connected to the charging control circuit, and the current output by the voltage conversion circuit flows through the respective paths where the voltage output end and the data transmission end are located, so that the existing cable is not changed.
  • it is realized to simultaneously use the path of the data transmission end to charge, increase the charging current, and improve the charging speed.

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

Abstract

一种充电器充电电路、移动终端充电电路、充电器(10)和移动终端(20),包括:将交流电转换为直流电的电压转换电路(101),用于与交流充电电源连接;第一充电接口(102),用于与移动终端(20)的第二充电接口(201)连接,第一充电接口(102)包括:与电压转换电路(101)连接的电压输出端,以及多个第一数据传输端;第一控制电路(103),第一控制电路(103)的一端与电压转换电路(101)连接,第一控制电路(103)的另一端与第一数据传输端中的至少一个第一数据传输端相连接。

Description

充电器充电电路、移动终端充电电路、充电器及移动终端
相关申请的交叉引用
本申请主张在2016年8月22日在中国提交的中国专利申请号No.201610703744.9的优先权,其全部内容通过引用包含于此。
技术领域
本公开涉及智能移动终端技术领域,尤其涉及一种充电器充电电路、移动终端充电电路、充电器及移动终端。
背景技术
随着智能移动终端的发展和普及,用户对于移动终端的要求越来越高,除了要求移动终端具备丰富的使用功能外,还要求移动终端能够实现快速充电和具备足够的续航能力。通过提升充电的速度,缩短用户充电等待时间,能够明显提升用户体验。目前采用标准的USB插座和USB线缆时,充电时能够传输的最大电流受USB协议的约束,比如type-C接口支持的最大传输电流为5A,当需要实现更大电流充电时,Vbus过流能力的限制成为瓶颈。
发明内容
本公开实施例提供了一种充电器充电电路、移动终端充电电路、充电器和移动终端,以解决相关技术中标准USB插座和线缆的过流能力差的问题。
第一方面,本公开实施例提供了一种充电器充电电路,应用于充电器,该充电器充电电路包括:将交流电转换为直流电的电压转换电路,用于与交流充电电源连接;第一充电接口,用于与移动终端的第二充电接口连接,第一充电接口包括:与电压转换电路连接的电压输出端,以及多个第一数据传输端;第一控制电路,第一控制电路的一端与电压转换电路连接,第一控制电路的另一端与第一数据传输端中的至少一个第一数据传输端相连接;其中,该充电器充电电路包括:第一控制状态和第二控制状态;在第一控制状态下,电压转换电路和第一数据传输端之间连通,电压转换电路输出的电流流经电压输出端和第一数据传输端所在的各个通路;在第二控制状态下,电压转换电路与第一数据传输端之间断路,电压转换电路输出的电流仅流经电压输出端所在通路。
第二方面,本公开实施例还提供了一种充电器,包括如上所述的充电器充电电路。
第三方面,本公开实施例还提供了一种移动终端充电电路,应用于一移动终端,该移动终端能够与上述的充电器连接。其中,该充电电路包括:用于与充电器的第一充电接口连接的第二充电接口,第二充电接口包括:电压输入端和多个第二数据传输端;充电控制电路,与电压输入端连接;第二控制电路,第二控制电路的一端与充电控制电路连接,第二控制电路的另一端与第二数据传输端中的至少一个第二数据传输端相连接;其中,该移动终端充电电路包括:第三控制状态和第四控制状态;当充电器充电电路处于第一控制状态时,移动终端充电电路处于第三控制状态,数据传输端和充电控制电路之间连通,数据传输端和电压输入端的电流流入充电控制电路;当充电器充电电路处于第二控制状态时,移动终端充电电路处于第四控制状态下,数据传输端和充电控制电路之间断路,仅电压输入端的电流流入充电控制电路。
第四方面,本公开实施例还提供了一种移动终端,包括如上所述的移动终端充电电路。
本公开实施例的有益效果是:通过在电压转换电路和数据传输端之间设置第一控制电路,在不需要快充时,第一控制电路可控制电压转换电路和数据传输端之间断开,电压转换电路输出的电流仅流经电压输出端所在通路,而各个数据传输端可正常传输数据;而在需要快充时,第一控制电路控制电压转换电路和数据传输端之间连通,电压转换电路输出的电流流经电压输出端和数据传输端所在的各个通路,这样即可在不改变现有线缆标准的前提下,实现同时利用数据传输端所在通路进行充电,增大充电电流,进而提高了充电速度。
附图说明
为了更清楚地说明本公开实施例的技术方案,下面将对本公开实施例的描述中所需要使用的附图作简单地介绍,显而易见地,下面描述中的附图仅仅是本公开的一些实施例,对于本领域普通技术人员来讲,在不付出创造性劳动性的前提下,还可以根据这些附图获得其他的附图。
图1表示本公开的充电电路的电路原理图;
图2表示本公开一些实施例的充电器充电电路的电路原理图;
图3表示本公开一些实施例的移动终端充电电路的电路原理图;
图4表示本公开的充电电路中逻辑器件的电路原理图。
其中图中:
10、充电器;
101、电压转换电路,102、第一充电接口,103、第一控制电路;
1031、第一开关电路,1032、第一控制器;
20、移动终端;
201、第二充电接口,202、充电控制电路,203、电池,204、第二控制电路,205、第三控制电路,206、数据处理器;
2041、第二开关电路,2042、第二控制器;
2051、第三开关电路,2052、第三控制器。
具体实施方式
下面将参照附图更详细地描述本公开的示例性实施例。虽然附图中显示了本公开的示例性实施例,然而应当理解,可以以各种形式实现本公开而不应被这里阐述的实施例所限制。相反,提供这些实施例是为了能够更透彻地理解本公开,并且能够将本公开的范围完整的传达给本领域的技术人员。
在本公开的一些实施例中,如图1和图2所示,本公开的实施例提供了一种充电器充电电路,应用于一充电器10,该充电器10具体包括:电压转换电路101、第一充电接口102、和第一控制电路103。
其中,电压转换电路101与交流充电电源连接,主要用于将交流充电电源输出的交流电转换为直流电。具体地,该电压转换电路101可以是交流-直流转换器,即AC-DC电路。
第一充电接口102,用于与移动终端的第二充电接口201相连接,第一充电接口102包括多个端子或引脚,具体包括:与电压转换电路101连接的电压输出端,以及多个用于传输数据的第一数据传输端。其中,该第一充电接口102一般为USB接口,第一充电接口102的电压输出端为USB接口中的电压引脚VBUS引脚,第一充电接口102的第一数据传输端包括USB接口 中的数据引脚D+引脚和D-引脚。
第一控制电路103,一端与电压转换电路101连接,另一端与第一充电接口102中的多个第一数据传输端中的至少一个第一数据传输端相连接,即第一控制电路103的输入端与电压转换电路101相连接,第一控制电路103的输出端与多个第一数据传输端中的至少一个第一数据传输端相连接。其中,值得指出的是,第一控制电路103的输出端可以与多个第一数据传输端中的一个端子、多个端子或全部端子相连接,具体数目并不做限定。
进一步地,本公开实施例的充电器充电电路包括第一控制状态和第二控制状态。其中,在第一控制状态下,电压转换电路101和被选用的第一数据传输端之间连通,电压转换电路101输出的电流流经电压输出端和被选用的第一数据传输端所在的各个通路,这时流经电压输出端和被选用的第一数据传输端的电流均被用于充电,即被选用的第一数据传输端被复用为电压输出端,总的充电电流增大,能够实现快速充电。在第二控制状态下,电压转换电路101与被选用的第一数据传输端之间断路,电压转换电路101输出的电流仅流经电压输出端所在通路,这时充电电流仅有电压输出端流经的电流,电流受现有标准中充电线缆的电流限制,仅能进行普通充电。
可选地,第一控制电路103包括:第一开关电路1031,以及控制第一开关电路1031导通和关断的第一控制器1032。其中,第一开关电路1031的第一端与电压转换电路101连接,第一开关电路1031的第二端与第一数据传输端中的至少一第一数据传输端连接;第一控制器1032与第一开关电路1031的控制端连接。其中,当第一控制器1032接收到移动终端传输过来的快充信号时,控制第一开关电路1031导通,以使电压转换电路101与第一数据传输端之间连通。也就是说,当移动终端20需要快充时,触发一快充指令,当第一控制器1032接收到该快充指令时,输出一控制信号以控制第一开关电路1031导通,以使电压转换电路101与第一数据传输端之间连通,这时流经电压输出端和被选用的第一数据传输端的电流均被用于充电,即被选用的第一数据传输端被复用为电压输出端,总的充电电流增大,能够实现快速充电。其中,该快充信号可以是在完成充电设备的握手、功率检测等逻辑后,触发生成的。
进一步地,第一开关电路1031可选用逻辑器件以起到开关作用,具体地,逻辑器件的控制端与第一控制器1032连接,逻辑器件的输入端与电压转换电路101连接,逻辑器件的输出端与第一充电接口102的多个第一数据传输端中的至少一第一数据传输端连接。其中,当逻辑器件导通时,电压转换电路101与所述第一数据传输端连通,当逻辑器件关断时,电压转换电路101与第一数据传输端断路。
具体地,如图4所示,该逻辑器件可选用场效应管,为了能够完全隔离充电和数据传输时电压输出端与第一数据传输端之间的相互倒灌,该逻辑器件可选用两个场效应管搭建而成。其中,这两个场效应管可以是P型MOS管,也可以是N型MOS管。其中,为了减少通路损耗,可优选采用导通阻抗更低的N型MOS管。具体地,该逻辑器件包括:第一场效应管和第二场效应管。第一场效应管的栅极和第二场效应管的栅极并联后与第一控制器1032连接;第一场效应管的源极与电压转换电路101连接;第一场效应管的漏极与第二场效应管的漏极连接;第二场效应管的源极与第一充电接口102的多个第一数据传输端中的至少一第一数据传输端连接。其中,当第一控制器1032接收到快充信号时,输出第一信号以控制第一场效应管和第二场效应管导通,以使电压转换电路101与第一数据传输端之间连通。而在普通充电场景下,第一场效应管和第二场效应管均处于关断状态,使得充电和数据传输互不影响,不会产生倒灌问题。
依据本公开实施例的另一个方面,还提供了一种充电器10,该充电器10包括如上所述的充电器充电电路。
本公开实施例的充电器充电电路及充电器10,通过在电压转换电路101和数据传输端之间设置第一控制电路103,在不需要快充时,第一控制电路103可控制电压转换电路101和数据传输端之间断开,电压转换电路101输出的电流仅流经电压输出端所在通路,而各个数据传输端可正常传输数据;而在需要快充时,第一控制电路103控制电压转换电路101和数据传输端之间连通,电压转换电路101输出的电流流经电压输出端和数据传输端所在的各个通路,这样即可在不改变现有线缆标准的前提下,实现同时利用数据传输端所在通路进行充电,增大充电电流,提高了充电速度。
在本公开的一些实施例中,如图1和图3所示,本公开实施例的移动终端充电电路包括:与上述充电器10的第一充电接口102连接的第二充电接口201、充电控制电路202、和第二控制电路204。
其中,第二充电接口201包括多个端子或引脚,具体包括:多个用于数据传输的第二数据传输端,以及用于充电的电压输入端。其中,第二充电接口201可以是Micro USB接口,亦可以是USB Type-C接口。其中,当第二充电接口201为Micro USB接口时,第二充电接口201的电压输出端为Micro USB接口中的电压引脚VBUS引脚,第二充电接口201的第二数据传输端包括Micro USB接口中的数据引脚D+引脚和D-引脚。当第二充电接口201为USB Type-C接口时,第二充电接口201的电压输出端为USB Type-C接口中的电压引脚VBUS引脚,第二充电接口201的第二数据传输端包括USB Type-C接口中的数据引脚D+引脚、D-引脚、Tx引脚、Rx引脚、SBU引脚和CC引脚。
用于为移动终端20的电池203进行充电的充电控制电路202与电压输入端连接。
第二控制电路204,一端与充电控制电路202连接,另一端与第二数据传输端中的至少一第二数据传输端相连接,即第二控制电路204的输入端与多个第二数据传输端中的至少一个第二数据传输端相连接,第二控制电路204的输出端与充电控制电路202相连接。其中,值得指出的是,第二控制电路204的输入端可以与多个第二数据传输端中的一个端子、多个端子或全部端子相连接,具体数目并不做限定。
进一步地,本公开实施例的移动终端充电电路包括第三控制状态和第四控制状态。其中,当充电器充电电路处于第一控制状态时,移动终端充电电路处于第三控制状态,第二数据传输端和充电控制电路202之间连通,第二数据传输端和电压输入端的电流均流入充电控制电路202,这时流经电压输入端和选用的第二数据传输端的电流均被用于充电,即被选用的第二数据传输端被复用为电压输出端,总的总成电流增大,能够实现快速充电。当充电器充电电路处于第二控制状态时,移动终端充电电路处于第四控制状态,第二数据传输端和充电控制电路202之间断路,仅流经电压输入端的电流流入 充电控制电路202,这时充电电流仅有电压输入端流经的电流,电流手现有标准中充电线缆的电流限制,仅能进行普通充电,而第二数据传输端作为数据传输通路使用。
可选地,第二控制电路204包括:第二开关电路2041,以及控制第二开关电路2041导通和关断的第二控制器2042。其中,第二开关电路2041的第一端与第二充电接口201的多个第二数据传输端中的至少一第二数据传输端连接,第二开关电路2041的第二端与充电控制电路202连接,第二控制器2042与第二开关电路2041的控制端连接。其中,当第二控制器2042接收到快充信号时,控制第二开关电路2041导通,以使第二数据传输端与充电控制电路202之间连通,也就是说当移动终端20需要快充时,触发一快充指令,当第二控制器2042接收到快充指令时,输出一控制信号以控制第二开关电路2041导通,以使第二数据传输端与充电控制电路202之间连通,这时流经电压输入端和选用的第二数据传输端的电流均被用于充电,即被选用的第二数据传输端被复用为电压输出端,总的总成电流增大,能够实现快速充电。其中,该快充信号可以是在完成充电设备的握手、功率检测等逻辑后,触发生成的。
进一步地,第二开关电路2041可选用逻辑器件以起到开关作用,具体地逻辑器件的控制端与第二控制器2042连接,逻辑器件的输入端与第二充电接口201的多个第二数据传输端中的至少一第二数据传输端连接,逻辑器件的输出端与充电控制电路202连接。其中,当逻辑器件导通时,第二数据传输端与充电控制电路202连通,当逻辑器件关断时,第二数据传输端与充电控制电路202断路。
具体地,如图4所示,该逻辑器件可选用场效应管,为了能够完全隔离充电和数据传输时电压输出端与第二数据传输端之间的相互倒灌,该逻辑器件可选用两个场效应管搭建而成。其中,这两个场效应管可以是P型MOS管,也可以是N型MOS管。其中,为了减少通路损耗,可优选采用导通阻抗更低的N型MOS管。具体地,该逻辑器件包括第三场效应管和第四场效应管。其中,第三场效应管的栅极和第四场效应管的栅极并联后与第二控制器2042连接;第三场效应管的源极与第二充电接口201的多个第二数据传输 端中的至少一第二数据传输端连接;第三场效应管的漏极与第四场效应管的漏极连接;第四场效应管的源极与充电控制电路202连接。其中,当第二控制器2042接收到快充信号时,输出第二信号以控制第三场效应管和第四场效应管导通,以使第二数据传输端与充电控制电路202之间的连通。而在普通充电场景下,第三场效应管和第四场效应管均处于关断状态,充电和数据传输互不影响,不会产生倒灌问题。
进一步地,为了防止充电和数据传输之间发生不良影响的问题发生,该充电电路还包括:第三控制电路205,一端与移动终端20的数据处理器206连接,另一端与第二充电接口201的第二数据传输端相连接,即第三控制电路205的输入端与第二充电接口201的多个第二数据传输端中的至少一个第二数据传输端相连接,其中,第三控制电路205的输入端可以与多个第二数据传输端中的一个端子、多个端子或全部端子相连接,具体数目并不做限定,但这些端子均为被作为充电复用的端子。第三控制电路205的输出端与移动终端20的数据处理器206相连接。具体地,当充电电路处于第三控制状态时,数据处理器206与第二数据传输端之间处于断路状态,不能进行数据传输;当充电电路处于第四控制状态时,数据处理器206与第二数据传输端之间处于导通状态,能够正常进行数据传输。
可选地,第三控制电路205包括:第三开关电路2051,以及用于控制第三开关电路2051导通和关断的第三控制器2052。其中,第三开关电路2051的第一端与第二充电接口201的第二数据传输端连接,第三开关电路2051的第二端与数据处理器206连接,第三开关电路2051的控制端与第三控制器2052连接。当第三控制器2052接收到充电控制电路传输过来的快充信号时,控制第三开关电路2051关断,以断开第二充电接口201的第二数据传输端与数据处理器206之间的连接,以避免充电和数据传输之间的相互影响问题。
进一步地,第三开关电路2051可选用具有开关作用的逻辑器件,该逻辑器件的控制端与第三控制器2052连接,逻辑器件的输入端与第二充电接口201的第二数据传输端连接,逻辑器件的输出端与数据处理器206连接。其中,当逻辑器件导通时,第二充电接口201的第二数据传输端与数据处理器206连通,第二数据传输端可正常传输数据;当逻辑器件关断时,第二充电 接口201的第二数据传输端与数据处理器206断路,第二数据传输端不能进行数据传输。
具体地,如图4所示,该逻辑器件可选用场效应管,为了能够完全隔离充电和数据传输时电压输出端与第二数据传输端之间的相互倒灌,该逻辑器件可选用两个场效应管搭建而成。具体地,该逻辑器件包括第五场效应管和第六场效应管。其中,第五场效应管的栅极和第六场效应管的栅极并联后与第三控制器2052连接;第五场效应管的源极与第二充电接口201的第二数据传输端连接;第五场效应管的漏极与第六场效应管的漏极连接;第六场效应管的源极与数据处理器206连接。其中,当第三控制器2052接收到快充信号时,输出第三信号,控制第五场效应管和第六场效应管关断,断开第二充电接口201的第二数据移动终端充电电路。
本公开实施例的移动终端充电电路及移动终端,通过在电压转换电路和数据传输端之间设置第一控制电路,在不需要快充时,第一控制电路可控制电压转换电路和数据传输端之间断开,电压转换电路输出的电流仅流经电压输出端所在通路,而各个数据传输端可正常传输数据;而在需要快充时,第一控制电路控制电压转换电路和数据传输端之间连通,且第二充电接口的数据传输端与充电控制电路之间导通,电压转换电路输出的电流流经电压输出端和数据传输端所在的各个通路,这样即可在不改变现有线缆标准的前提下,实现同时利用数据传输端所在通路进行充电,增大充电电流,提高了充电速度。
本说明书中的各个实施例均采用递进的方式描述,每个实施例重点说明的都是与其他实施例的不同之处,各个实施例之间相同相似的部分互相参见即可。
尽管已描述了本公开实施例的优选实施例,但本领域内的技术人员一旦得知了基本创造性概念,则可对这些实施例做出另外的变更和修改。所以,所附权利要求意欲解释为包括优选实施例以及落入本公开实施例范围的所有变更和修改。
最后,还需要说明的是,在本文中,诸如第一和第二等之类的关系术语仅仅用来将一个实体或者操作与另一个实体或操作区分开来,而不一定要求 或者暗示这些实体或操作之间存在任何这种实际的关系或者顺序。而且,术语“包括”、“包含”或者其任何其他变体意在涵盖非排他性的包含,从而使得包括一系列要素的过程、方法、物品或者终端设备不仅包括那些要素,而且还包括没有明确列出的其他要素,或者是还包括为这种过程、方法、物品或者终端设备所固有的要素。在没有更多限制的情况下,由语句“包括一个……”限定的要素,并不排除在包括要素的过程、方法、物品或者终端设备中还存在另外的相同要素。
以上的是本公开的优选实施方式,应当指出对于本技术领域的普通人员来说,在不脱离本公开的原理前提下还可以作出若干改进和润饰,这些改进和润饰也在本公开的保护范围内。

Claims (17)

  1. 一种充电器充电电路,应用于充电器,所述充电器充电电路包括:
    将交流电转换为直流电的电压转换电路,用于与交流充电电源连接;
    第一充电接口,用于与移动终端的第二充电接口连接所述第一充电接口包括:与所述电压转换电路连接的电压输出端,以及多个第一数据传输端;
    第一控制电路,所述第一控制电路的一端与所述电压转换电路连接,所述第一控制电路的另一端与所述第一数据传输端中的至少一个第一数据传输端相连接;
    其中,所述充电器充电电路包括:第一控制状态和第二控制状态;在第一控制状态下,所述电压转换电路和所述第一数据传输端之间连通,所述电压转换电路输出的电流流经所述电压输出端和所述第一数据传输端所在的各个通路;在第二控制状态下,所述电压转换电路与所述第一数据传输端之间断路,所述电压转换电路输出的电流仅流经所述电压输出端所在通路。
  2. 根据权利要求1所述的充电器充电电路,其中,第一控制电路包括:第一开关电路,以及控制所述第一开关电路导通和关断的第一控制器;其中,
    所述第一开关电路的第一端与所述电压转换电路连接,所述第一开关电路的第二端与所述第一数据传输端中的至少一个第一数据传输端连接;
    所述第一控制器与所述第一开关电路的控制端连接;其中,当所述第一控制器接收到所述移动终端传输过来的快充信号时,控制所述第一开关电路导通,以使所述电压转换电路与所述第一数据传输端之间连通。
  3. 根据权利要求2所述的充电器充电电路,其中,所述第一开关电路包括逻辑器件,所述逻辑器件的控制端与所述第一控制器连接,所述逻辑器件的输入端与所述电压转换电路连接,所述逻辑器件的输出端与所述第二充电接口的多个第一数据传输端中的至少一个第一数据传输端连接;其中,当所述逻辑器件导通时,所述电压转换电路与所述第一数据传输端连通,当所述逻辑器件关断时,所述电压转换电路与所述第一数据传输端断路。
  4. 根据权利要求3所述的充电器充电电路,其中,所述逻辑器件包括第一场效应管和第二场效应管;其中,
    所述第一场效应管的栅极和所述第二场效应管的栅极并联后与所述第一控制器连接;
    所述第一场效应管的源极与所述电压转换电路连接;
    所述第一场效应管的漏极与所述第二场效应管的漏极连接;
    所述第二场效应管的源极与所述第一充电接口的多个第一数据传输端中的至少一个第一数据传输端连接;
    其中,当所述第一控制器接收到快充信号时,输出第一信号,控制所述第一场效应管和所述第二场效应管导通,以使所述电压转换电路与所述第一数据传输端之间连通。
  5. 根据权利要求1所述的充电器充电电路,其中,所述第一充电接口为USB接口,其中,所述第一充电接口的电压输出端为所述USB接口中的电压引脚VBUS,所述第一充电接口的第一数据传输端包括所述USB接口中的数据引脚D+和D-。
  6. 一种充电器,包括如权利要求1~5任一项所述的充电器充电电路。
  7. 一种移动终端充电电路,应用于移动终端,所述移动终端能够与如权利要求6所述的充电器连接,所述移动终端充电电路包括:
    用于与充电器的第一充电接口连接的第二充电接口,所述第二充电接口包括:电压输入端和多个第二数据传输端;
    充电控制电路,与所述电压输入端连接;
    第二控制电路,所述第二控制电路的一端与所述充电控制电路连接,所述第二控制电路的另一端与所述第二数据传输端中的至少一个第二数据传输端相连接;
    其中,所述移动终端充电电路包括:第三控制状态和第四控制状态;当所述充电器充电电路处于第一控制状态时,所述移动终端充电电路处于第三控制状态,所述第二数据传输端和所述充电控制电路之间连通,所述第二数据传输端和所述电压输入端的电流流入所述充电控制电路;当所述充电器充电电路处于第二控制状态时,所述移动终端充电电路处于第四控制状态,所述第二数据传输端和所述充电控制电路之间断路,仅所述电压输入端的电流流入所述充电控制电路。
  8. 根据权利要求7所述的移动终端充电电路,其中,所述第二控制电路包括:第二开关电路和控制所述第二开关电路导通和关断的第二控制器;其中,
    所述第二开关电路的第一端与所述第二充电接口的多个第二数据传输端中的至少一个第二数据传输端连接,所述第二开关电路的第二端与所述充电控制电路连接;
    所述第二控制器与所述第二开关电路的控制端连接;其中,当所述第二控制器接收到所述充电控制电路传输过来的快充信号时,控制所述第二开关电路导通,以使所述第二数据传输端与所述充电控制电路之间连通。
  9. 根据权利要求8所述的移动终端充电电路,其中,所述第二开关电路包括逻辑器件,所述逻辑器件的控制端与所述第二控制器连接,所述逻辑器件的输入端与所述第一充电接口的多个第二数据传输端中的至少一个第二数据传输端连接,所述逻辑器件的输出端与所述充电控制电路连接;其中,当所述逻辑器件导通时,所述第二数据传输端与所述充电控制电路连通,当所述逻辑器件关断时,所述第二数据传输端与所述充电控制电路断路。
  10. 根据权利要求9所述的移动终端充电电路,其中,所述逻辑器件包括第三场效应管和第四场效应管;其中,
    所述第三场效应管的栅极和所述第四场效应管的栅极并联后与所述第二控制器连接;
    所述第三场效应管的源极与所述第二充电接口的多个第二数据传输端中的至少一个第二数据传输端连接;
    所述第三场效应管的漏极与所述第四场效应管的漏极连接;
    所述第四场效应管的源极与所述充电控制电路连接;
    其中,当所述第二控制器接收到快充信号时,输出第二信号,控制所述第三场效应管和所述第四场效应管导通,以使所述第二数据传输端与所述充电控制电路之间的连通。
  11. 根据权利要求7所述的移动终端充电电路,还包括:第三控制电路,所述第三控制电路的一端与所述移动终端的数据处理器连接,所述第三控制电路的另一端与所述第二充电接口的第二数据传输端相连接;其中,当所述 移动终端充电电路处于第三控制状态时,所述数据处理器与所述第二数据传输端之间处于断路状态,当所述移动终端充电电路处于第四控制状态时,所述数据处理器与所述第二数据传输端之间处于导通状态。
  12. 根据权利要求11所述的移动终端充电电路,其中,所述第三控制电路包括:第三开关电路和第三控制器;其中,
    所述第三开关电路的第一端与所述第二充电接口的第二数据传输端连接,所述第三开关电路的第二端与所述数据处理器连接,所述第三开关电路的控制端与所述第三控制器连接;当所述第三控制器接收到所述充电控制电路传输过来的快充信号时,控制所述第三开关电路关断,以断开所述第二充电接口的第二数据传输端与所述数据处理器之间的连接。
  13. 根据权利要求12所述的移动终端充电电路,其中,所述第三开关电路包括逻辑器件,所述逻辑器件的控制端与所述第三控制器连接,所述逻辑器件的输入端与所述第二充电接口的第二数据传输端连接,所述逻辑器件的输出端与所述数据处理器连接;其中,当所述逻辑器件导通时,所述第二充电接口的第二数据传输端与所述数据处理器连通,当所述逻辑器件关断时,所述第二充电接口的第二数据传输端与所述数据处理器断路。
  14. 根据权利要求13所述的移动终端充电电路,其中,所述逻辑器件包括第五场效应管和第六场效应管;其中,
    所述第五场效应管的栅极和所述第六场效应管的栅极并联后与所述第三控制器连接;
    所述第五场效应管的源极与所述第二充电接口的第二数据传输端连接;
    所述第五场效应管的漏极与所述第六场效应管的漏极连接;
    所述第六场效应管的源极与所述数据处理器连接;
    其中,当所述第三控制器接收到快充信号时,输出第三信号,控制所述第五场效应管和所述第六场效应管关断,断开所述第二充电接口的第二数据传输端与所述数据处理器之间的连接。
  15. 根据权利要求7所述的移动终端充电电路,其中,所述第二充电接口为Micro USB接口,其中,所述第二充电接口的电压输出端为所述Micro USB接口中的电压引脚VBUS,所述第二充电接口的第二数据传输端包括所述 Micro USB接口中的数据引脚D+和D-。
  16. 根据权利要求7所述的移动终端充电电路,其中,所述第二充电接口为USB Type-C接口,其中,所述第二充电接口的电压输出端为所述USB Type-C接口中的电压引脚VBUS,所述第二充电接口的第二数据传输端包括所述USB Type-C接口中的数据引脚D+、D-、Tx、Rx、SBU和CC。
  17. 一种移动终端,包括如权利要求7~16任一项所述的移动终端充电电路。
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