WO2018192097A1 - 充电模块和电子设备 - Google Patents

充电模块和电子设备 Download PDF

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Publication number
WO2018192097A1
WO2018192097A1 PCT/CN2017/091887 CN2017091887W WO2018192097A1 WO 2018192097 A1 WO2018192097 A1 WO 2018192097A1 CN 2017091887 W CN2017091887 W CN 2017091887W WO 2018192097 A1 WO2018192097 A1 WO 2018192097A1
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Prior art keywords
charging circuit
charging
capacitor
input
output
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PCT/CN2017/091887
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English (en)
French (fr)
Inventor
曹振民
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深圳市云顶信息技术有限公司
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Publication of WO2018192097A1 publication Critical patent/WO2018192097A1/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

Definitions

  • the present invention relates to the field of electronic device technologies, and in particular, to a charging module and an electronic device.
  • the circuit inside the chip can only provide one charging current, and the charging speed is slow.
  • the main object of the present invention is to provide a charging module designed to speed up the charging of the charging module.
  • the charging module of the present invention includes a power input terminal, a first charging circuit, a second charging circuit, and a power output terminal, the power input terminal, the input end of the first charging circuit, and the second An input end of the charging circuit is interconnected, an output end of the first charging circuit, an output end of the second charging circuit, and the power output end are interconnected; wherein the power input end is used for connecting a power source; a power output terminal for connecting a battery to be charged; the first charging circuit, configured to output a power input to the power input terminal to the battery to charge the battery; and the second charging circuit A power source input to the power input terminal is output to the battery to charge the battery.
  • the first charging circuit further includes a receiving end
  • the second charging circuit further includes a feedback end
  • the receiving end of the first charging circuit is connected to the feedback end of the second charging circuit.
  • the first charging circuit includes a first charging chip, an input pin of the first charging chip is an input end of the first charging circuit, and an output pin of the first charging chip is the first charging An output end of the circuit, the receiving pin of the first charging chip is a receiving end of the first charging circuit.
  • the second charging circuit includes a second charging chip, an input pin of the second charging chip is an input end of the second charging circuit, and an output pin of the second charging chip is the second charging The output end of the circuit, the feedback pin of the second charging chip is the feedback end of the second charging circuit.
  • the charging module further includes a first capacitor and a second capacitor, wherein the first end of the first capacitor, the input end of the first charging circuit, and the input end of the second charging circuit are interconnected. a first end of the second capacitor, an output end of the first charging circuit, and an output end of the second charging circuit are interconnected, a second end of the first capacitor and a second end of the second capacitor Both are grounded.
  • the present invention also provides an electronic device including the charging module as described above, wherein the charging module includes a power input terminal, a first charging circuit, a second charging circuit, and a power output terminal, and the power input terminal
  • the charging module includes a power input terminal, a first charging circuit, a second charging circuit, and a power output terminal, and the power input terminal
  • the input end of the first charging circuit and the input end of the second charging circuit are interconnected, and an output end of the first charging circuit, an output end of the second charging circuit, and the power output end are interconnected
  • the power input terminal is configured to connect a power source;
  • the power output terminal is configured to connect a battery to be charged;
  • the first charging circuit is configured to output a power input to the power input end to the battery And charging the battery;
  • the second charging circuit is configured to output a power input to the power input terminal to the battery to charge the battery.
  • the first charging circuit further includes a receiving end
  • the second charging circuit further includes a feedback end
  • the receiving end of the first charging circuit is connected to the feedback end of the second charging circuit.
  • the first charging circuit includes a first charging chip, an input pin of the first charging chip is an input end of the first charging circuit, and an output pin of the first charging chip is the first charging An output end of the circuit, the receiving pin of the first charging chip is a receiving end of the first charging circuit.
  • the second charging circuit includes a second charging chip, an input pin of the second charging chip is an input end of the second charging circuit, and an output pin of the second charging chip is the second charging The output end of the circuit, the feedback pin of the second charging chip is the feedback end of the second charging circuit.
  • the charging module further includes a first capacitor and a second capacitor, wherein the first end of the first capacitor, the input end of the first charging circuit, and the input end of the second charging circuit are interconnected. a first end of the second capacitor, an output end of the first charging circuit, and an output end of the second charging circuit are interconnected, a second end of the first capacitor and a second end of the second capacitor Both are grounded.
  • the electronic device is an electric toothbrush.
  • the technical solution of the present invention outputs the power input to the power input terminal to the battery by using the first charging circuit to charge the battery, and the second charging circuit outputs the power supply voltage input to the power input terminal to the battery to charge the battery, so that the battery is in the charging process.
  • the second charging circuit outputs the power supply voltage input to the power input terminal to the battery to charge the battery, so that the battery is in the charging process.
  • FIG. 1 is a schematic diagram of functional modules of an embodiment of a charging module of the present invention.
  • FIG. 2 is a schematic diagram showing the circuit structure of another embodiment of the charging module of the present invention.
  • first, second and the like in the present invention are only for the purpose of description, and are not to be construed as indicating or implying their relative importance or implicitly indicating the number of technical features indicated.
  • features defining “first” or “second” may include at least one of the features, either explicitly or implicitly.
  • the technical solutions between the various embodiments may be combined with each other, but must be based on the realization of those skilled in the art, and when the combination of the technical solutions is contradictory or impossible to implement, it should be considered that the combination of the technical solutions does not exist. It is also within the scope of protection required by the present invention.
  • the invention provides a charging module.
  • the charging module can be disposed in the charger or can be disposed in the electronic device to charge the battery in the electronic device.
  • the charging module includes a power input terminal VBUS, a first charging circuit 10, a second charging circuit 20, and a power output terminal VBAT, a power input terminal VBUS, an input end of the first charging circuit 10, and
  • the input terminals of the second charging circuit 20 are interconnected, and the output of the first charging circuit 10, the output of the second charging circuit 20, and the power supply output terminal VBAT are interconnected.
  • the power input terminal VBUS is used for connecting a power source (not shown); the power output terminal VBUS is used for connecting a battery to be charged (not shown); and the first charging circuit 10 is for inputting to the power input terminal VBUS.
  • the power is output to the battery to charge the battery; the second charging circuit 20 is configured to output the power input to the power input terminal VBUS to the battery to charge the battery.
  • both the first charging circuit 10 and the second charging circuit 20 can independently charge the battery, during the charging process of the battery, there are two charging currents, and the charging efficiency is high.
  • the first charging circuit 10 further includes a receiving end
  • the second charging circuit 20 further includes a feedback end
  • the receiving end of the first charging circuit 10 is connected to the feedback end of the second charging circuit 20.
  • a first feedback signal corresponding to the charging state may be outputted to the first charging circuit 10 at its feedback end to inform the first charging circuit 10 that it is in a charging state.
  • a second feedback signal corresponding to the non-charging state may be outputted to the first charging circuit 10 at its feedback end to inform the first charging circuit 10 that it has been charged, or not Received power input.
  • the first charging circuit 10 can perform power detection on the battery to determine whether the second charging circuit 20 is abnormal. When the following three conditions occur, the first charging circuit 10 can determine that the second charging circuit 20 is working normally:
  • the power input terminal VBUS has an external power input, the first charging circuit 10 detects that the battery is full, and receives the second feedback signal output by the second charging circuit 20;
  • the power input terminal VBUS has an external power input, the first charging circuit 10 detects that the battery is not full, and receives the first feedback signal output by the second charging circuit 20;
  • the power input terminal VBUS has no external power input, and the first charging circuit 10 detects that the battery is not full, and receives the second feedback signal output by the second charging circuit 20.
  • the first feedback signal may be selected as a high level signal
  • the second feedback signal may be selected as a low level signal.
  • the first charging circuit 10 can calculate the battery power according to detecting the voltage falling on the power output terminal VBAT, and the second charging circuit 20 can determine whether the battery is fully charged according to detecting the voltage falling on the power output terminal VBAT.
  • the first charging circuit 10 includes a first charging chip U1.
  • the input pin VIN of the first charging chip U1 is an input end of the first charging circuit 10, and the output pin VOUT of the first charging chip U1 is the first charging circuit 10.
  • the receiving pin GPIO of the first charging chip U1 is the receiving end of the first charging circuit 10.
  • the first charging chip U1 is of the type DA14681.
  • the second charging circuit 20 includes a second charging chip U2.
  • the input pin VIN of the second charging chip U2 is an input end of the second charging circuit 20, and the output pin VOUT of the second charging chip U2 is a second charging circuit 20.
  • the feedback pin CHG of the second charging chip U2 is the feedback end of the second charging circuit 20.
  • Integrating the charging circuit into the charging chip can reduce the volume of the charging module.
  • the charging module further includes a first capacitor C1 and a second capacitor C2.
  • the first end of the first capacitor C1, the input end of the first charging circuit 10, and the input end of the second charging circuit 20 are interconnected, and the second capacitor C2
  • the first end, the output end of the first charging circuit 10 and the output end of the second charging circuit 20 are interconnected, and the second end of the first capacitor C1 and the second end of the second capacitor C2 are both grounded.
  • the first capacitor C1 is used to filter out the clutter of the voltage input to the first charging circuit 10 and the second charging circuit 20, and the second capacitor C2 is used to filter out the output of the first charging circuit 10 and the second charging circuit 20.
  • the voltage of the clutter is used to filter out the output of the first charging circuit 10 and the second charging circuit 20.
  • the voltage of the clutter is used to filter out the output of the first charging circuit 10 and the second charging circuit 20.
  • the voltage of the clutter Adding the first capacitor C1 and the second capacitor C2 can improve the reliability of the charging module.
  • the first charging circuit 10 and the second charging circuit 20 both include a grounding end, and the grounding ends of the first charging circuit 10 and the second charging circuit 20 are grounded.
  • the grounding pin GND of the first charging chip U1 is the grounding end of the first charging circuit 10
  • the grounding pin GND of the second charging chip U2 is the grounding end of the second charging chip U2.
  • the first charging circuit 10 and the second charging circuit 20 both input the external power source to the battery to charge the battery.
  • the second charging circuit 20 outputs a first feedback signal to the first charging circuit 10 to inform the first charging circuit 10 that it is in a charging state.
  • the second charging circuit 20 When the battery is full, the second charging circuit 20 outputs a first feedback signal to the first charging circuit 10 to inform it that it is not in a charging state.
  • the second charging circuit 20 When the external power source input to the power input terminal VBUS is powered off, the second charging circuit 20 outputs a second feedback signal to the first charging circuit 10 to inform that it is not in a charging state.
  • the first charging circuit 10 can detect the battery power to confirm whether the battery is full, and determine whether the second charging circuit 20 is abnormal.
  • the present invention also provides an electronic device, which includes the above charging module.
  • the specific structure of the charging module refers to the above embodiment. Since the electronic device adopts all the technical solutions of all the above embodiments, at least the above embodiment is provided. All the beneficial effects brought about by the technical solutions are not repeated here.
  • the electronic device may be a mobile phone, a tablet computer, an electric toothbrush, etc., and is not limited herein.

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

Abstract

一种充电模块及电子设备,充电模块包括电源输入端(VBUS)、第一充电电路(10)、第二充电电路(20)及电源输出端(VBAT),电源输入端(VBUS)、第一充电电路(10)的输入端及第二充电电路(20)的输入端互连,第一充电电路(10)的输出端、第二充电电路(20)的输出端及电源输出端(VBAT)互连;在此,电源输入端(VBUS),用于连接电源;电源输出端(VBAT),用于连接待充电电池;第一充电电路(10),用于将输入至电源输入端(VBUS)的电源输出至电池,以为电池充电;第二充电电路(20),用于将输入至电源输入端(VBUS)的电源输出至电池,以为电池充电,具有充电速度快的特点。

Description

充电模块和电子设备
技术领域
本发明涉及电子设备技术领域,特别涉及一种充电模块和电子设备。
背景技术
目前,使用集成充电功能的芯片设计的产品,大多使用芯片内部的电路进行充电。
然而,芯片内部的电路只能提供一路充电电流,充电速度较慢。
发明内容
本发明的主要目的是提供一种充电模块,旨在加快该充电模块的充电速度。
为实现上述目的,本发明提出的充电模块包括电源输入端、第一充电电路、第二充电电路及电源输出端,所述电源输入端、所述第一充电电路的输入端及所述第二充电电路的输入端互连,所述第一充电电路的输出端、所述第二充电电路的输出端及所述电源输出端互连;其中,所述电源输入端,用于连接电源;所述电源输出端,用于连接待充电电池;所述第一充电电路,用于将输入至所述电源输入端的电源输出至所述电池,以为所述电池充电;所述第二充电电路,用于将输入至所述电源输入端的电源输出至所述电池,以为所述电池充电。
优选地,所述第一充电电路包括还包括接收端,所述第二充电电路还包括反馈端,所述第一充电电路的接收端与所述第二充电电路的反馈端连接。
优选地,所述第一充电电路包括第一充电芯片,所述第一充电芯片的输入脚为所述第一充电电路的输入端,所述第一充电芯片的输出脚为所述第一充电电路的输出端,所述第一充电芯片的接收脚为所述第一充电电路的接收端。
优选地,所述第二充电电路包括第二充电芯片,所述第二充电芯片的输入脚为所述第二充电电路的输入端,所述第二充电芯片的输出脚为所述第二充电电路的输出端,所述第二充电芯片的反馈脚为所述第二充电电路的反馈端。
优选地,所述充电模块还包括第一电容及第二电容,所述第一电容的第一端、所述第一充电电路的输入端及所述第二充电电路的输入端互连,所述第二电容的第一端、所述第一充电电路的输出端及所述第二充电电路的输出端互连,所述第一电容的第二端及所述第二电容的第二端均接地。
本发明还提出一种电子设备,该电子设备包括如上所述的充电模块,在此,该充电模块包括电源输入端、第一充电电路、第二充电电路及电源输出端,所述电源输入端、所述第一充电电路的输入端及所述第二充电电路的输入端互连,所述第一充电电路的输出端、所述第二充电电路的输出端及所述电源输出端互连;其中,所述电源输入端,用于连接电源;所述电源输出端,用于连接待充电电池;所述第一充电电路,用于将输入至所述电源输入端的电源输出至所述电池,以为所述电池充电;所述第二充电电路,用于将输入至所述电源输入端的电源输出至所述电池,以为所述电池充电。
优选地,所述第一充电电路包括还包括接收端,所述第二充电电路还包括反馈端,所述第一充电电路的接收端与所述第二充电电路的反馈端连接。
优选地,所述第一充电电路包括第一充电芯片,所述第一充电芯片的输入脚为所述第一充电电路的输入端,所述第一充电芯片的输出脚为所述第一充电电路的输出端,所述第一充电芯片的接收脚为所述第一充电电路的接收端。
优选地,所述第二充电电路包括第二充电芯片,所述第二充电芯片的输入脚为所述第二充电电路的输入端,所述第二充电芯片的输出脚为所述第二充电电路的输出端,所述第二充电芯片的反馈脚为所述第二充电电路的反馈端。
优选地,所述充电模块还包括第一电容及第二电容,所述第一电容的第一端、所述第一充电电路的输入端及所述第二充电电路的输入端互连,所述第二电容的第一端、所述第一充电电路的输出端及所述第二充电电路的输出端互连,所述第一电容的第二端及所述第二电容的第二端均接地。
优选地,所述电子设备为电动牙刷。
本发明技术方案通过采用第一充电电路将输入至电源输入端的电源输出至电池,以为电池充电,第二充电电路将输入至电源输入端的电源电压输出至电池,以为电池充电,使得电池在充电过程中,具有两路充电电流,充电效率较高。
附图说明
为了更清楚地说明本发明实施例或现有技术中的技术方案,下面将对实施例或现有技术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发明的一些实施例,对于本领域普通技术人员来讲,在不付出创造性劳动的前提下,还可以根据这些附图示出的结构获得其他的附图。
图1为本发明充电模块一实施例的功能模块示意图;
图2为本发明充电模块另一实施例的电路结构示意图。
本发明目的的实现、功能特点及优点将结合实施例,参照附图做进一步说明。
具体实施方式
下面将结合本发明实施例中的附图,对本发明实施例中的技术方案进行清楚、完整地描述,显然,所描述的实施例仅仅是本发明的一部分实施例,而不是全部的实施例。基于本发明中的实施例,本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其他实施例,都属于本发明保护的范围。
需要说明,在本发明中涉及“第一”、“第二”等的描述仅用于描述目的,而不能理解为指示或暗示其相对重要性或者隐含指明所指示的技术特征的数量。由此,限定有“第一”、“第二”的特征可以明示或者隐含地包括至少一个该特征。另外,各个实施例之间的技术方案可以相互结合,但是必须是以本领域普通技术人员能够实现为基础,当技术方案的结合出现相互矛盾或无法实现时应当认为这种技术方案的结合不存在,也不在本发明要求的保护范围之内。
本发明提出一种充电模块。在该充电模块可设于充电器中,也可设于电子设备中,以为电子设备中的电池充电。
请参阅图1,一实施例中,上述充电模块包括电源输入端VBUS、第一充电电路10、第二充电电路20及电源输出端VBAT,电源输入端VBUS、第一充电电路10的输入端及第二充电电路20的输入端互连,第一充电电路10的输出端、第二充电电路20的输出端及电源输出端VBAT互连。
其中,电源输入端VBUS用于连接电源(图未示出);电源输出端VBUS用于连接待充电电池(图未示出);第一充电电路10,用于将输入至电源输入端VBUS的电源输出至电池,以为电池充电;第二充电电路20,用于将输入至电源输入端VBUS的电源输出至电池,以为电池充电。
在此,由于第一充电电路10及第二充电电路20均可以独立为电池充电,因此,在电池充电过程中,具有两路充电电流,充电效率较高。
可选的,第一充电电路10包括还包括接收端,第二充电电路20还包括反馈端,第一充电电路10的接收端与第二充电电路20的反馈端连接。
具体地,当第二充电电路20处于充电状态时,可在其反馈端输出与处于充电状态对应的第一反馈信号至第一充电电路10,以告知第一充电电路10其正处于充电状态。当第二充电电路20未处于充电状态时,可在其反馈端输出与未处于充电状态对应的第二反馈信号至第一充电电路10,以告知第一充电电路10其已经充电完成,或者没有接收到电源输入。
整个过程中,第一充电电路10可对电池进行电量检测,以判断第二充电电路20是否工作异常。当出现以下三种情况时,第一充电电路10可确定第二充电电路20工作正常:
(1)电源输入端VBUS有外部电源输入,第一充电电路10检测到电池充满,且接收到第二充电电路20输出的第二反馈信号;
(2)电源输入端VBUS有外部电源输入,第一充电电路10检测到电池未充满,且接收到第二充电电路20输出的第一反馈信号;
(3)电源输入端VBUS没有外部电源输入,第一充电电路10检测到电池未充满,且接收到第二充电电路20输出的第二反馈信号。
如此,可以提高充电模块的可靠性。
在此,第一反馈信号可选为高电平信号,第二反馈信号可选为低电平信号。此外,第一充电电路10可根据检测落在电源输出端VBAT的电压计算电池电量,第二充电电路20可根据检测落在电源输出端VBAT的电压判断电池是否充电完成。
可选的,第一充电电路10包括第一充电芯片U1,第一充电芯片U1的输入脚VIN为第一充电电路10的输入端,第一充电芯片U1的输出脚VOUT为第一充电电路10的输出端,第一充电芯片U1的接收脚GPIO为第一充电电路10的接收端。较佳地,第一充电芯片U1的型号为DA14681。
可选的,第二充电电路20包括第二充电芯片U2,第二充电芯片U2的输入脚VIN为第二充电电路20的输入端,第二充电芯片U2的输出脚VOUT为第二充电电路20的输出端,第二充电芯片U2的反馈脚CHG为第二充电电路20的反馈端。
将充电电路集成于充电芯片中,可以减小充电模块的体积。
进一步地,充电模块还包括第一电容C1及第二电容C2,第一电容C1的第一端、第一充电电路10的输入端及第二充电电路20的输入端互连,第二电容C2的第一端、第一充电电路10的输出端及第二充电电路20的输出端互连,第一电容C1的第二端及第二电容C2的第二端均接地。
在此,第一电容C1用于滤除输入至第一充电电路10及第二充电电路20的电压的杂波,第二电容C2用于滤除第一充电电路10及第二充电电路20输出的电压的杂波。增设第一电容C1和第二电容C2,可以提高充电模块的可靠性。
值得一提的是,本充电模块中,第一充电电路10及第二充电电路20均包括接地端,且第一充电电路10及第二充电电路20的接地端均接地。其中,第一充电芯片U1的接地脚GND为第一充电电路10的接地端,第二充电芯片U2的接地脚GND为第二充电芯片U2的接地端。
以下,结合图1和图2,说明本充电模块的工作原理:
当电源输入端VBUS有外部电源输入时,第一充电电路10及第二充电电路20均将该外部电源输入至电池,以为电池充电。与此同时,第二充电电路20向第一充电电路10输出第一反馈信号,以告知第一充电电路10其正处于充电状态。
当电池充满时,第二充电电路20向第一充电电路10输出第一反馈信号,以告知其未处于充电状态。
当输入至电源输入端VBUS的外部电源断电时,第二充电电路20向第一充电电路10输出第二反馈信号,以告知其未处于充电状态。
整个过程中,第一充电电路10均可以对电池电量进行检测,以确认电池是否充满,并判断第二充电电路20是否工作异常。
本发明还提出一种电子设备,该电子设备包括如上的充电模块,该充电模块的具体结构参照上述实施例,由于本电子设备采用了上述所有实施例的全部技术方案,因此至少具有上述实施例的技术方案所带来的所有有益效果,在此不再一一赘述。其中,该电子设备可以是手机,平板电脑,电动牙刷,等等,此处不做限制。
以上所述仅为本发明的优选实施例,并非因此限制本发明的专利范围,凡是在本发明的发明构思下,利用本发明说明书及附图内容所作的等效结构变换,或直接/间接运用在其他相关的技术领域均包括在本发明的专利保护范围内。

Claims (17)

  1. 一种充电模块,其特征在于,包括电源输入端、第一充电电路、第二充电电路及电源输出端,所述电源输入端、所述第一充电电路的输入端及所述第二充电电路的输入端互连,所述第一充电电路的输出端、所述第二充电电路的输出端及所述电源输出端互连;其中,
    所述电源输入端,用于连接电源;
    所述电源输出端,用于连接待充电电池;
    所述第一充电电路,用于将输入至所述电源输入端的电源输出至所述电池,以为所述电池充电;
    所述第二充电电路,用于将输入至所述电源输入端的电源输出至所述电池,以为所述电池充电。
  2. 如权利要求1所述的充电模块,其特征在于,所述第一充电电路包括还包括接收端,所述第二充电电路还包括反馈端,所述第一充电电路的接收端与所述第二充电电路的反馈端连接。
  3. 如权利要求2所述的充电模块,其特征在于,所述第一充电电路包括第一充电芯片,所述第一充电芯片的输入脚为所述第一充电电路的输入端,所述第一充电芯片的输出脚为所述第一充电电路的输出端,所述第一充电芯片的接收脚为所述第一充电电路的接收端。
  4. 如权利要求2所述的充电模块,其特征在于,所述第二充电电路包括第二充电芯片,所述第二充电芯片的输入脚为所述第二充电电路的输入端,所述第二充电芯片的输出脚为所述第二充电电路的输出端,所述第二充电芯片的反馈脚为所述第二充电电路的反馈端。
  5. 如权利要求1所述的充电模块,其特征在于,所述充电模块还包括第一电容及第二电容,所述第一电容的第一端、所述第一充电电路的输入端及所述第二充电电路的输入端互连,所述第二电容的第一端、所述第一充电电路的输出端及所述第二充电电路的输出端互连,所述第一电容的第二端及所述第二电容的第二端均接地。
  6. 如权利要求2所述的充电模块,其特征在于,所述充电模块还包括第一电容及第二电容,所述第一电容的第一端、所述第一充电电路的输入端及所述第二充电电路的输入端互连,所述第二电容的第一端、所述第一充电电路的输出端及所述第二充电电路的输出端互连,所述第一电容的第二端及所述第二电容的第二端均接地。
  7. 如权利要求3所述的充电模块,其特征在于,所述充电模块还包括第一电容及第二电容,所述第一电容的第一端、所述第一充电电路的输入端及所述第二充电电路的输入端互连,所述第二电容的第一端、所述第一充电电路的输出端及所述第二充电电路的输出端互连,所述第一电容的第二端及所述第二电容的第二端均接地。
  8. 如权利要求4所述的充电模块,其特征在于,所述充电模块还包括第一电容及第二电容,所述第一电容的第一端、所述第一充电电路的输入端及所述第二充电电路的输入端互连,所述第二电容的第一端、所述第一充电电路的输出端及所述第二充电电路的输出端互连,所述第一电容的第二端及所述第二电容的第二端均接地。
  9. 一种电子设备,其特征在于,包括如权利要求1所述的充电模块。
  10. 如权利要求9所述的电子设备,其特征在于,所述第一充电电路包括还包括接收端,所述第二充电电路还包括反馈端,所述第一充电电路的接收端与所述第二充电电路的反馈端连接。
  11. 如权利要求10所述的电子设备,其特征在于,所述第一充电电路包括第一充电芯片,所述第一充电芯片的输入脚为所述第一充电电路的输入端,所述第一充电芯片的输出脚为所述第一充电电路的输出端,所述第一充电芯片的接收脚为所述第一充电电路的接收端。
  12. 如权利要求10所述的电子设备,其特征在于,所述第二充电电路包括第二充电芯片,所述第二充电芯片的输入脚为所述第二充电电路的输入端,所述第二充电芯片的输出脚为所述第二充电电路的输出端,所述第二充电芯片的反馈脚为所述第二充电电路的反馈端。
  13. 如权利要求9所述的电子设备,其特征在于,所述充电模块还包括第一电容及第二电容,所述第一电容的第一端、所述第一充电电路的输入端及所述第二充电电路的输入端互连,所述第二电容的第一端、所述第一充电电路的输出端及所述第二充电电路的输出端互连,所述第一电容的第二端及所述第二电容的第二端均接地。
  14. 如权利要求10所述的电子设备,其特征在于,所述充电模块还包括第一电容及第二电容,所述第一电容的第一端、所述第一充电电路的输入端及所述第二充电电路的输入端互连,所述第二电容的第一端、所述第一充电电路的输出端及所述第二充电电路的输出端互连,所述第一电容的第二端及所述第二电容的第二端均接地。
  15. 如权利要求11所述的电子设备,其特征在于,所述充电模块还包括第一电容及第二电容,所述第一电容的第一端、所述第一充电电路的输入端及所述第二充电电路的输入端互连,所述第二电容的第一端、所述第一充电电路的输出端及所述第二充电电路的输出端互连,所述第一电容的第二端及所述第二电容的第二端均接地。
  16. 如权利要求12所述的电子设备,其特征在于,所述充电模块还包括第一电容及第二电容,所述第一电容的第一端、所述第一充电电路的输入端及所述第二充电电路的输入端互连,所述第二电容的第一端、所述第一充电电路的输出端及所述第二充电电路的输出端互连,所述第一电容的第二端及所述第二电容的第二端均接地。
  17. 如权利要求9所述的电子设备,其特征在于,所述电子设备为电动牙刷。
PCT/CN2017/091887 2017-04-19 2017-07-05 充电模块和电子设备 WO2018192097A1 (zh)

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