CN113366748A - 一种供电电路和供电控制方法 - Google Patents

一种供电电路和供电控制方法 Download PDF

Info

Publication number
CN113366748A
CN113366748A CN201980091012.0A CN201980091012A CN113366748A CN 113366748 A CN113366748 A CN 113366748A CN 201980091012 A CN201980091012 A CN 201980091012A CN 113366748 A CN113366748 A CN 113366748A
Authority
CN
China
Prior art keywords
circuit
stage voltage
voltage
voltage conversion
conversion circuit
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
CN201980091012.0A
Other languages
English (en)
Other versions
CN113366748B (zh
Inventor
邹鹏
黄伯宁
吴建权
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.)
Huawei Technologies Co Ltd
Original Assignee
Huawei Technologies Co Ltd
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 Huawei Technologies Co Ltd filed Critical Huawei Technologies Co Ltd
Publication of CN113366748A publication Critical patent/CN113366748A/zh
Application granted granted Critical
Publication of CN113366748B publication Critical patent/CN113366748B/zh
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02MAPPARATUS 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
    • H02M1/00Details of apparatus for conversion
    • H02M1/0067Converter structures employing plural converter units, other than for parallel operation of the units on a single load
    • H02M1/008Plural converter units for generating at two or more independent and non-parallel outputs, e.g. systems with plural point of load switching regulators
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02MAPPARATUS 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
    • H02M3/00Conversion of dc power input into dc power output
    • H02M3/02Conversion of dc power input into dc power output without intermediate conversion into ac
    • H02M3/04Conversion of dc power input into dc power output without intermediate conversion into ac by static converters
    • H02M3/10Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
    • H02M3/145Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
    • H02M3/155Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
    • H02M3/156Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators
    • H02M3/158Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators including plural semiconductor devices as final control devices for a single load
    • H02M3/1582Buck-boost converters
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02MAPPARATUS 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
    • H02M1/00Details of apparatus for conversion
    • H02M1/0067Converter structures employing plural converter units, other than for parallel operation of the units on a single load
    • H02M1/007Plural converter units in cascade
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02MAPPARATUS 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
    • H02M1/00Details of apparatus for conversion
    • H02M1/08Circuits specially adapted for the generation of control voltages for semiconductor devices incorporated in static converters
    • H02M1/088Circuits specially adapted for the generation of control voltages for semiconductor devices incorporated in static converters for the simultaneous control of series or parallel connected semiconductor devices
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02MAPPARATUS 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
    • H02M3/00Conversion of dc power input into dc power output
    • H02M3/003Constructional details, e.g. physical layout, assembly, wiring or busbar connections
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02MAPPARATUS 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
    • H02M3/00Conversion of dc power input into dc power output
    • H02M3/02Conversion of dc power input into dc power output without intermediate conversion into ac
    • H02M3/04Conversion of dc power input into dc power output without intermediate conversion into ac by static converters
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02MAPPARATUS 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
    • H02M3/00Conversion of dc power input into dc power output
    • H02M3/02Conversion of dc power input into dc power output without intermediate conversion into ac
    • H02M3/04Conversion of dc power input into dc power output without intermediate conversion into ac by static converters
    • H02M3/10Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
    • H02M3/145Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
    • H02M3/155Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
    • H02M3/156Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators
    • H02M3/158Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators including plural semiconductor devices as final control devices for a single load
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02MAPPARATUS 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
    • H02M3/00Conversion of dc power input into dc power output
    • H02M3/02Conversion of dc power input into dc power output without intermediate conversion into ac
    • H02M3/04Conversion of dc power input into dc power output without intermediate conversion into ac by static converters
    • H02M3/10Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
    • H02M3/145Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
    • H02M3/155Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
    • H02M3/156Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators
    • H02M3/158Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators including plural semiconductor devices as final control devices for a single load
    • H02M3/1584Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators including plural semiconductor devices as final control devices for a single load with a plurality of power processing stages connected in parallel
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/26Power supply means, e.g. regulation thereof
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F17/00Fixed inductances of the signal type 
    • H01F17/0006Printed inductances
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F17/00Fixed inductances of the signal type 
    • H01F17/0006Printed inductances
    • H01F2017/0053Printed inductances with means to reduce eddy currents
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F17/00Fixed inductances of the signal type 
    • H01F17/0006Printed inductances
    • H01F2017/0066Printed inductances with a magnetic layer
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F3/00Cores, Yokes, or armatures
    • H01F3/10Composite arrangements of magnetic circuits
    • H01F3/14Constrictions; Gaps, e.g. air-gaps
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02MAPPARATUS 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
    • H02M1/00Details of apparatus for conversion
    • H02M1/0043Converters switched with a phase shift, i.e. interleaved
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02MAPPARATUS 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
    • H02M1/00Details of apparatus for conversion
    • H02M1/14Arrangements for reducing ripples from dc input or output
    • H02M1/15Arrangements for reducing ripples from dc input or output using active elements
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02MAPPARATUS 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
    • H02M1/00Details of apparatus for conversion
    • H02M1/32Means for protecting converters other than automatic disconnection
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02MAPPARATUS 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
    • H02M1/00Details of apparatus for conversion
    • H02M1/36Means for starting or stopping converters
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02MAPPARATUS 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
    • H02M3/00Conversion of dc power input into dc power output
    • H02M3/02Conversion of dc power input into dc power output without intermediate conversion into ac
    • H02M3/04Conversion of dc power input into dc power output without intermediate conversion into ac by static converters
    • H02M3/06Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using resistors or capacitors, e.g. potential divider
    • H02M3/07Conversion 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
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B70/00Technologies for an efficient end-user side electric power management and consumption
    • Y02B70/10Technologies improving the efficiency by using switched-mode power supplies [SMPS], i.e. efficient power electronics conversion e.g. power factor correction or reduction of losses in power supplies or efficient standby modes

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Dc-Dc Converters (AREA)

Abstract

本申请实施例公开了一种供电电路和供电控制方法,涉及电路技术领域,解决了现有技术电源占板面积较大的问题。具体方案为:供电电路包括一个或多个第一级电压转换电路和一个或多个第二级电压转换电路;第一级电压转换电路的输入端被耦合至电源;第一级电压转换电路用于将输入端接收到的第一电压转换为第二电压,第二电压小于第一电压,第二电压大于或等于0.6V,且小于或等于1.3V;第二级电压转换电路的输入端被耦合至第一级电压转换电路的输出端,第二级电压转换电路用于将第二电压转换为第三电压,并将第三电压提供给负载,第三电压小于第二电压;第二级电压转换电路的开关频率大于或等于30Mhz。

Description

PCT国内申请,说明书已公开。

Claims (11)

  1. PCT国内申请,权利要求书已公开。
CN201980091012.0A 2019-04-25 2019-04-25 一种供电电路和供电控制方法 Active CN113366748B (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2019/084403 WO2020215293A1 (zh) 2019-04-25 2019-04-25 一种供电电路和供电控制方法

Publications (2)

Publication Number Publication Date
CN113366748A true CN113366748A (zh) 2021-09-07
CN113366748B CN113366748B (zh) 2023-10-20

Family

ID=72940675

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201980091012.0A Active CN113366748B (zh) 2019-04-25 2019-04-25 一种供电电路和供电控制方法

Country Status (4)

Country Link
US (1) US11757362B2 (zh)
EP (1) EP3952090A4 (zh)
CN (1) CN113366748B (zh)
WO (1) WO2020215293A1 (zh)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI835032B (zh) * 2021-12-02 2024-03-11 財團法人工業技術研究院 電源供應器

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103178707A (zh) * 2011-12-26 2013-06-26 东芝照明技术株式会社 电力转换装置
CN107209527A (zh) * 2015-02-12 2017-09-26 英特尔公司 双电源
CN107481833A (zh) * 2017-07-12 2017-12-15 华为机器有限公司 一种薄膜耦合电感和电源转换电路
US20180110123A1 (en) * 2012-09-11 2018-04-19 Ferric Inc. Integrated Switched Inductor Power Converter
CN108111016A (zh) * 2016-11-25 2018-06-01 台达电子工业股份有限公司 功率模块
CN108471234A (zh) * 2018-03-19 2018-08-31 维沃移动通信有限公司 一种电压控制电路及其控制方法、移动终端

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101107581B (zh) * 2005-01-25 2010-08-18 松下电器产业株式会社 电源系统
JP4811852B2 (ja) * 2005-08-29 2011-11-09 ルネサスエレクトロニクス株式会社 スイッチング電源と半導体集積回路
US7777459B2 (en) * 2006-12-30 2010-08-17 Advanced Analogic Technologies, Inc. High-efficiency DC/DC voltage converter including capacitive switching pre-converter and down inductive switching post-regulator
TWI527342B (zh) * 2011-08-19 2016-03-21 善元科技股份有限公司 電源供應裝置
CN103227566B (zh) * 2013-04-22 2015-08-26 华为技术有限公司 一种dc-dc变换器
CN106612072A (zh) * 2015-10-22 2017-05-03 中兴通讯股份有限公司 基于buck拓扑的开关电源控制电路及太阳能控制器
CN105761880B (zh) * 2016-04-20 2017-12-29 华为技术有限公司 一种薄膜电感和电源转换电路
WO2018161422A1 (zh) * 2017-03-10 2018-09-13 华为技术有限公司 供电电路及供电方法
CN208174562U (zh) * 2018-05-08 2018-11-30 深圳市普德新星电源技术有限公司 Led显示屏供电电路

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103178707A (zh) * 2011-12-26 2013-06-26 东芝照明技术株式会社 电力转换装置
US20180110123A1 (en) * 2012-09-11 2018-04-19 Ferric Inc. Integrated Switched Inductor Power Converter
CN107209527A (zh) * 2015-02-12 2017-09-26 英特尔公司 双电源
CN108111016A (zh) * 2016-11-25 2018-06-01 台达电子工业股份有限公司 功率模块
CN107481833A (zh) * 2017-07-12 2017-12-15 华为机器有限公司 一种薄膜耦合电感和电源转换电路
CN108471234A (zh) * 2018-03-19 2018-08-31 维沃移动通信有限公司 一种电压控制电路及其控制方法、移动终端

Also Published As

Publication number Publication date
US11757362B2 (en) 2023-09-12
EP3952090A4 (en) 2022-03-30
WO2020215293A1 (zh) 2020-10-29
EP3952090A1 (en) 2022-02-09
CN113366748B (zh) 2023-10-20
US20220045611A1 (en) 2022-02-10

Similar Documents

Publication Publication Date Title
TWI747896B (zh) 用於可重新組態狄克生星形切換電容式電壓調節器之裝置、系統與方法
US9641080B2 (en) Multi-output boost regulator with single control loop
US10541603B2 (en) Circuits for a hybrid switched capacitor converter
KR102214243B1 (ko) 전하 재활용 스위치드 커패시터 레귤레이터
US11749454B2 (en) Power supply multi-tapped autotransformer
US20200328676A1 (en) Smart cable and methods thereof
KR20170137806A (ko) 비대칭형 스위칭 커패시터 레귤레이터
US20210376622A1 (en) Trickle charging and precharging a dead multi-cell-in-series battery
CN110677042B (zh) 电压变换电路及电源系统
CN112311232B (zh) 一种开关电容型直流/直流变换器、开关电源及控制方法
US9859796B2 (en) Buck-boost converter and operating method
CN113366748B (zh) 一种供电电路和供电控制方法
KR20230130646A (ko) 멀티-셀-인-시리즈 배터리 충전을 위한 멀티-출력 스위치드모드 전력 공급부
US11527951B2 (en) Reverse X2 mode charge pump soft start
EP3679447A1 (en) Circuits for a hybrid switched capacitor converter
TW202312642A (zh) 用於在開關轉換器中使用的具有利用選擇性電力接收的浮動供電節點的閘極驅動器
US7193397B2 (en) Voltage converter
CN113228488A (zh) 整流器、逆变器及无线充电设备
CN216672862U (zh) 一种电源变换系统及其控制芯片
CN112803757B (zh) 电荷泵升压ic和电子设备
CN116711199A (zh) 用于多单元串联电池充电的多输出开关模式电源
CN116783806A (zh) 电源电路及终端设备
CN116670967A (zh) 一种充放电电路及终端设备
CN104852570A (zh) 功率电荷泵及使用该功率电荷泵的电源管理电路

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant