CN114586268A - 一种充电电路及电子设备 - Google Patents

一种充电电路及电子设备 Download PDF

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Publication number
CN114586268A
CN114586268A CN202080006878.XA CN202080006878A CN114586268A CN 114586268 A CN114586268 A CN 114586268A CN 202080006878 A CN202080006878 A CN 202080006878A CN 114586268 A CN114586268 A CN 114586268A
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CN
China
Prior art keywords
switching tube
tube
charging
control
charging circuit
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Pending
Application number
CN202080006878.XA
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English (en)
Inventor
胡章荣
申朋朋
钱城晖
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Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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Publication of CN114586268A publication Critical patent/CN114586268A/zh
Pending legal-status Critical Current

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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
    • H02M3/06—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using resistors or capacitors, e.g. potential divider
    • H02M3/07—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using resistors or capacitors, e.g. potential divider using capacitors charged and discharged alternately by semiconductor devices with control electrode, e.g. charge pumps

Abstract

本申请公开了一种充电电路及电子设备，充电电路包括串联的四个开关管：第一开关管、第二开关管、第三开关管和第四开关管，以及第一电容、第二电容和第一电感；第一开关管的第一端连接电源端，第一电容的两端连接第一开关管的第二端和第三开关管的第二端；第二开关管的第二端通过第二电容接地；第一开关管的第二端连接第一电感的第一端，第一电感的第二端作为充电输出端，为电子设备的电池进行充电。该充电电路提升了集成度，提高集成度以后可以降低电路所占的面积和体积，提高充电效率。当电子设备为PC时，提升快充性能，当电子设备为终端时，实现开环快充和闭环快充的有机结合，又实现升压和降压的有机结合，提高普适性，兼容不同的适配器。

Description

PCT国内申请，说明书已公开。

Claims (30)

  1. PCT国内申请，权利要求书已公开。
CN202080006878.XA 2020-09-30 2020-09-30 一种充电电路及电子设备 Pending CN114586268A (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2020/119477 WO2022067701A1 (zh) 2020-09-30 2020-09-30 一种充电电路及电子设备

Publications (1)

Publication Number Publication Date
CN114586268A true CN114586268A (zh) 2022-06-03

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CN202080006878.XA Pending CN114586268A (zh) 2020-09-30 2020-09-30 一种充电电路及电子设备

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CN (1) CN114586268A (zh)
WO (1) WO2022067701A1 (zh)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117175933A (zh) * 2022-05-27 2023-12-05 华为技术有限公司 一种直流直流变换器及电子设备

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090033293A1 (en) * 2007-08-01 2009-02-05 Intersil Americas Inc. Voltage converter with combined capacitive voltage divider, buck converter and battery charger
US11081960B2 (en) * 2017-12-08 2021-08-03 Texas Instruments Incorporated Timer for power converter controller
CN110401344B (zh) * 2018-04-25 2021-09-24 株洲中车时代电气股份有限公司 一种飞跨电容充电装置及飞跨电容三电平斩波电路
US10903738B2 (en) * 2018-05-14 2021-01-26 Analog Devices International Unlimited Company High conversion-ratio hybrid switched power converter
CN110994977A (zh) * 2019-12-22 2020-04-10 苏州浪潮智能科技有限公司 一种应用于48v供电系统的电源转换装置

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