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CN114846338A - 一种电压转换电路、电压转换器及电子设备 - Google Patents

一种电压转换电路、电压转换器及电子设备 Download PDF

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Publication number
CN114846338A
CN114846338A CN202080018137.3A CN202080018137A CN114846338A CN 114846338 A CN114846338 A CN 114846338A CN 202080018137 A CN202080018137 A CN 202080018137A CN 114846338 A CN114846338 A CN 114846338A
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CN
China
Prior art keywords
circuit
voltage
buck
detection
inductor
Prior art date
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Pending
Application number
CN202080018137.3A
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English (en)
Inventor
李文广
吕泽杰
柯玉连
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 Digital Power Technologies Co Ltd
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Huawei Digital Power Technologies Co Ltd
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Filing date
Publication date
Application filed by Huawei Digital Power Technologies Co Ltd filed Critical Huawei Digital Power Technologies Co Ltd
Publication of CN114846338A publication Critical patent/CN114846338A/zh
Pending legal-status Critical Current

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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
    • G01R19/25—Arrangements for measuring currents or voltages or for indicating presence or sign thereof using digital measurement techniques
    • G01R19/2506—Arrangements for conditioning or analysing measured signals, e.g. for indicating peak values ; Details concerning sampling, digitizing or waveform capturing
    • G01R19/2509—Details concerning sampling, digitizing or waveform capturing
    • 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
    • H02M1/00—Details of apparatus for conversion
    • H02M1/0003—Details of control, feedback or regulation circuits
    • H02M1/0009—Devices or circuits for detecting current in a converter
    • 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
    • H02M1/00—Details of apparatus for conversion
    • H02M1/32—Means for protecting converters other than automatic disconnection
    • 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
    • H02M3/10—Conversion 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
    • H02M3/145—Conversion 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
    • H02M3/155—Conversion 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
    • H02M3/156—Conversion 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
    • H02M3/158—Conversion 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
    • H02M3/1582—Buck-boost converters

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

Abstract

一种电压转换电路、电压转换器及电子设备，该电压转换电路主要包括具有第一检测电阻和第二检测电阻的检测电路(33)，以及H桥结构的Buck‑Boost电路(31)。第一检测电阻连接于Buck‑Boost电路(31)的一个输入端和H桥结构的一个桥臂(311)之间，第二检测电阻连接于Buck‑Boost电路(31)的一个输出端和H桥结构的另一个桥臂(312)之间，检测电路(33)可以根据第一检测电阻和第二检测电阻的电阻电压输出电流检测信号。不仅实现了对电感(313)电流的检测，还有利于降低电感(313)电流的检测成本，以及缩小电感(313)电流的检测时延。

Description

PCT国内申请，说明书已公开。

Claims (13)

  1. PCT国内申请，权利要求书已公开。
CN202080018137.3A 2020-11-30 2020-11-30 一种电压转换电路、电压转换器及电子设备 Pending CN114846338A (zh)

Applications Claiming Priority (1)

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PCT/CN2020/132919 WO2022110205A1 (zh) 2020-11-30 2020-11-30 一种电压转换电路、电压转换器及电子设备

Publications (1)

Publication Number Publication Date
CN114846338A true CN114846338A (zh) 2022-08-02

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Country Link
US (1) US20230327560A1 (zh)
EP (1) EP4220197A4 (zh)
CN (1) CN114846338A (zh)
WO (1) WO2022110205A1 (zh)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN118018000A (zh) * 2024-04-08 2024-05-10 瓴科微(上海)集成电路有限责任公司 一种防过冲的电平转换电路

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115118165B (zh) * 2022-06-28 2025-03-14 深圳市理德铭科技股份有限公司 一种无线充电的电能转换器及其电能转化方法
CN115347788B (zh) * 2022-10-14 2023-02-24 四川大学 一种非隔离三端口变换器及其控制方法、控制电路
CN119438681B (zh) * 2025-01-10 2025-04-08 深圳率能半导体有限公司 一种用于h桥的正负电流检测电路

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005237052A (ja) * 2004-02-17 2005-09-02 Yokogawa Electric Corp 昇降圧型電流レギュレータ及び昇降圧型電圧レギュレータ
CN107290581A (zh) * 2017-06-30 2017-10-24 杰华特微电子（张家港）有限公司 一种开关电路的电流检测电路及开关电路
CN107561343A (zh) * 2017-09-30 2018-01-09 杰华特微电子（杭州）有限公司 一种开关电路的电流检测电路、电流检测方法及开关电路
CN207215887U (zh) * 2017-06-30 2018-04-10 杰华特微电子（张家港）有限公司 开关电路的电流检测电路及开关电路
CN109067176A (zh) * 2018-08-02 2018-12-21 哈尔滨工程大学 一种dc/dc变换器最大电感电流均流控制方法
CN211978141U (zh) * 2020-05-14 2020-11-20 深圳市星辰智能控制有限公司 一种多路ptc温度采样电路及其伺服驱动器

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7859859B2 (en) * 2006-11-20 2010-12-28 Picor Corporation Primary side sampled feedback control in power converters
US7808217B2 (en) * 2007-10-18 2010-10-05 Analog Devices, Inc. DC to DC converter
US8866453B2 (en) * 2008-08-28 2014-10-21 Intersil Americas LLC Switching regulator input current sensing circuit, system, and method
CN103683989B (zh) * 2014-01-02 2016-08-03 东南大学 一种高速低压发电机的宽输入交直变换器及其控制方法
US9793800B1 (en) * 2016-04-15 2017-10-17 Linear Technology Corporation Multiphase switching power supply with robust current sensing and shared amplifier
EP3711154A1 (en) * 2017-11-15 2020-09-23 Signify Holding B.V. Switched mode power converter and conversion method
US10637357B1 (en) * 2017-12-20 2020-04-28 Renesas Electronics America Inc. Ramp offset compensation circuit in a buck boost converter
CN108631593B (zh) * 2018-07-13 2024-05-07 青岛华勋光电科技有限公司 一种基于双向同步整流buck-boost数字电源
US11002767B2 (en) * 2019-03-15 2021-05-11 Infineon Technologies Ag Current sensing for monitoring load current in a buck power converter
CN110350773B (zh) * 2019-06-28 2020-11-20 长安大学 一种四开关Buck-Boost转换器的电流采样与限制电路

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005237052A (ja) * 2004-02-17 2005-09-02 Yokogawa Electric Corp 昇降圧型電流レギュレータ及び昇降圧型電圧レギュレータ
CN107290581A (zh) * 2017-06-30 2017-10-24 杰华特微电子（张家港）有限公司 一种开关电路的电流检测电路及开关电路
CN207215887U (zh) * 2017-06-30 2018-04-10 杰华特微电子（张家港）有限公司 开关电路的电流检测电路及开关电路
CN107561343A (zh) * 2017-09-30 2018-01-09 杰华特微电子（杭州）有限公司 一种开关电路的电流检测电路、电流检测方法及开关电路
CN109067176A (zh) * 2018-08-02 2018-12-21 哈尔滨工程大学 一种dc/dc变换器最大电感电流均流控制方法
CN211978141U (zh) * 2020-05-14 2020-11-20 深圳市星辰智能控制有限公司 一种多路ptc温度采样电路及其伺服驱动器

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN118018000A (zh) * 2024-04-08 2024-05-10 瓴科微(上海)集成电路有限责任公司 一种防过冲的电平转换电路

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US20230327560A1 (en) 2023-10-12
EP4220197A1 (en) 2023-08-02
EP4220197A4 (en) 2023-11-29

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