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CN111989851A - 一种电源电路及装置 - Google Patents

一种电源电路及装置
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Publication number
CN111989851A
CN111989851ACN201880092570.4ACN201880092570ACN111989851ACN 111989851 ACN111989851 ACN 111989851ACN 201880092570 ACN201880092570 ACN 201880092570ACN 111989851 ACN111989851 ACN 111989851A
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China
Prior art keywords
switch tube
pole
capacitor
tube
circuit
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CN201880092570.4A
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CN111989851B (zh
Inventor
王国瑞
力争
王晨
朱煜
张振明
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Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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Abstract

一种电源电路及装置,包括:电路包括多个通道,多个通道中的至少一个通道包括第一开关管(M1’)、第二开关管(M2’)、第三开关管(M1)、第四开关管(M2)、第一电容(C1’)以及第二电容(C1),其中,第一电容的一端与第二电容的一端连接,第一电容的另一端分别与第一开关管的第一极和第二开关管的第一极连接,第一开关管的第二极与第三开关管的第二极连接,第二开关管的第二极与第四开关管的第二极连接,第一开关管的第三极与输出节点连接,第二开关管的第三极接地。本方案通过第一电容的理想电荷存储量去平衡第二电容上的充电电荷,改善了电路系统的稳定性,从而提高了电路系统的动态性能。

Description

PCT国内申请,说明书已公开。

Claims (10)

CN201880092570.4A2018-04-272018-04-27一种电源电路及装置ActiveCN111989851B (zh)

Priority Applications (1)

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CN202111581522.1ACN114362538A (zh)2018-04-272018-04-27一种电源电路及装置

Applications Claiming Priority (1)

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PCT/CN2018/084918WO2019205104A1 (zh)2018-04-272018-04-27一种电源电路及装置

Related Child Applications (1)

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CN202111581522.1ADivisionCN114362538A (zh)2018-04-272018-04-27一种电源电路及装置

Publications (2)

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CN111989851Atrue CN111989851A (zh)2020-11-24
CN111989851B CN111989851B (zh)2022-01-14

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CN202111581522.1APendingCN114362538A (zh)2018-04-272018-04-27一种电源电路及装置

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US (1)US11201620B2 (zh)
EP (1)EP3780368B1 (zh)
CN (2)CN111989851B (zh)
WO (1)WO2019205104A1 (zh)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication numberPriority datePublication dateAssigneeTitle
TWI832411B (zh)*2022-09-022024-02-11康舒科技股份有限公司自舉電容穩壓輔助電路及具有自舉電容穩壓輔助電路的電源轉換器

Citations (8)

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US6256215B1 (en)*2000-08-102001-07-03Delphi Technologies, Inc.Multiple output bootstrapped gate drive circuit
CN101320149A (zh)*2007-06-082008-12-10群康科技(深圳)有限公司负电压产生电路
US20100289560A1 (en)*2009-05-162010-11-18Texas Instruments IncorporatedSystems and Methods of Bit Stuffing Pulse Width Modulation
CN102027663A (zh)*2008-05-132011-04-20株式会社理光降压开关稳压器
CN102217179A (zh)*2009-11-042011-10-12松下电器产业株式会社Dc-dc转换器
US20120086479A1 (en)*2010-10-082012-04-12Texas Instruments IncorporatedControlling Power Chain with Same Controller in Either of Two Different Applications
CN106059290A (zh)*2016-08-022016-10-26成都芯源系统有限公司多通道直流‑直流变换器及控制电路和方法
CN106664020A (zh)*2014-08-112017-05-10德州仪器公司用于多相位降压转换器电路的共享式自举电容器及方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication numberPriority datePublication dateAssigneeTitle
CN101872208A (zh)*2010-06-232010-10-27中兴通讯股份有限公司一种电源调制器及电源调制方法
US9595954B2 (en)*2014-11-102017-03-14Nxp Usa, Inc.Method and circuit for recharging a bootstrap capacitor using a transfer capacitor
CN104539147B (zh)*2015-01-212017-05-31青岛歌尔声学科技有限公司一种电源电路及电子产品
JP6500999B2 (ja)*2016-02-162019-04-17富士電機株式会社半導体装置

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication numberPriority datePublication dateAssigneeTitle
US6256215B1 (en)*2000-08-102001-07-03Delphi Technologies, Inc.Multiple output bootstrapped gate drive circuit
CN101320149A (zh)*2007-06-082008-12-10群康科技(深圳)有限公司负电压产生电路
CN102027663A (zh)*2008-05-132011-04-20株式会社理光降压开关稳压器
US20100289560A1 (en)*2009-05-162010-11-18Texas Instruments IncorporatedSystems and Methods of Bit Stuffing Pulse Width Modulation
CN102217179A (zh)*2009-11-042011-10-12松下电器产业株式会社Dc-dc转换器
US20120086479A1 (en)*2010-10-082012-04-12Texas Instruments IncorporatedControlling Power Chain with Same Controller in Either of Two Different Applications
CN106664020A (zh)*2014-08-112017-05-10德州仪器公司用于多相位降压转换器电路的共享式自举电容器及方法
CN106059290A (zh)*2016-08-022016-10-26成都芯源系统有限公司多通道直流‑直流变换器及控制电路和方法

Also Published As

Publication numberPublication date
US20210044295A1 (en)2021-02-11
EP3780368A1 (en)2021-02-17
CN114362538A (zh)2022-04-15
WO2019205104A1 (zh)2019-10-31
CN111989851B (zh)2022-01-14
US11201620B2 (en)2021-12-14
EP3780368A4 (en)2021-03-24
EP3780368B1 (en)2023-12-13

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