CN101471579B - 电源切换电路 - Google Patents

电源切换电路 Download PDF

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Publication number
CN101471579B
CN101471579B CN200810185046XA CN200810185046A CN101471579B CN 101471579 B CN101471579 B CN 101471579B CN 200810185046X A CN200810185046X A CN 200810185046XA CN 200810185046 A CN200810185046 A CN 200810185046A CN 101471579 B CN101471579 B CN 101471579B
Authority
CN
China
Prior art keywords
power supply
voltage
load
terminal
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.)
Expired - Fee Related
Application number
CN200810185046XA
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English (en)
Chinese (zh)
Other versions
CN101471579A (zh
Inventor
吉川清至
宇都宫文靖
津崎敏之
和气宏树
出口充康
上原治
增子裕之
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.)
Ablic Inc
Original Assignee
Seiko Instruments Inc
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 Seiko Instruments Inc filed Critical Seiko Instruments Inc
Publication of CN101471579A publication Critical patent/CN101471579A/zh
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Publication of CN101471579B publication Critical patent/CN101471579B/zh
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Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
    • H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
    • H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/51—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used
    • H03K17/56—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices
    • H03K17/687—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices the devices being field-effect transistors
    • H03K17/693—Switching arrangements with several input- or output-terminals, e.g. multiplexers, distributors
    • 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
    • H02M1/36—Means for starting or stopping converters
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K19/00—Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits
    • H03K19/0175—Coupling arrangements; Interface arrangements
    • H03K19/017545—Coupling arrangements; Impedance matching circuits

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Computing Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • Mathematical Physics (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Dc-Dc Converters (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
  • Direct Current Feeding And Distribution (AREA)
  • Stand-By Power Supply Arrangements (AREA)
  • Rectifiers (AREA)
CN200810185046XA 2007-12-27 2008-12-26 电源切换电路 Expired - Fee Related CN101471579B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2007335808A JP5112846B2 (ja) 2007-12-27 2007-12-27 電源切替回路
JP2007335808 2007-12-27
JP2007-335808 2007-12-27

Publications (2)

Publication Number Publication Date
CN101471579A CN101471579A (zh) 2009-07-01
CN101471579B true CN101471579B (zh) 2013-03-20

Family

ID=40797462

Family Applications (1)

Application Number Title Priority Date Filing Date
CN200810185046XA Expired - Fee Related CN101471579B (zh) 2007-12-27 2008-12-26 电源切换电路

Country Status (5)

Country Link
US (1) US7800433B2 (enExample)
JP (1) JP5112846B2 (enExample)
KR (1) KR101188148B1 (enExample)
CN (1) CN101471579B (enExample)
TW (1) TWI431898B (enExample)

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WO2011062042A1 (en) * 2009-11-20 2011-05-26 Semiconductor Energy Laboratory Co., Ltd. Semiconductor device
TWI406474B (zh) * 2009-12-02 2013-08-21 廣達電腦股份有限公司 電池充放電路徑管理電路及方法
CN102468684A (zh) * 2010-11-11 2012-05-23 三星半导体(中国)研究开发有限公司 在usb电源供电与电池供电之间切换的切换控制电路
TWI491124B (zh) * 2010-11-29 2015-07-01 Hon Hai Prec Ind Co Ltd 電源轉接裝置
JP2012120267A (ja) * 2010-11-29 2012-06-21 Toshiba Corp 充電制御装置
JP5685115B2 (ja) * 2011-03-09 2015-03-18 セイコーインスツル株式会社 電源切換回路
TWI460963B (zh) * 2011-09-05 2014-11-11 Delta Electronics Inc 具適應性電能控制之太陽光伏發電系統及其操作方法
JP2013061918A (ja) 2011-09-15 2013-04-04 Renesas Electronics Corp 半導体装置
WO2013061110A1 (en) * 2011-10-27 2013-05-02 Freescale Semiconductor, Inc. Power safety circuit, integrated circuit device and safety critical system
US8593211B2 (en) * 2012-03-16 2013-11-26 Texas Instruments Incorporated System and apparatus for driver circuit for protection of gates of GaN FETs
US9419474B2 (en) * 2012-10-30 2016-08-16 Telect, Inc. Voltage control using field-effect transistors
US9735614B2 (en) 2014-05-18 2017-08-15 Nxp Usa, Inc. Supply-switching system
US9323272B2 (en) * 2014-06-30 2016-04-26 Freescale Semiconductor, Inc. Integrated circuit with internal and external voltage regulators
US9348346B2 (en) 2014-08-12 2016-05-24 Freescale Semiconductor, Inc. Voltage regulation subsystem
JP6407071B2 (ja) * 2015-03-16 2018-10-17 株式会社東芝 電圧切替回路および電源装置
US20160336754A1 (en) * 2015-05-13 2016-11-17 Hamilton Sundstrand Corporation High power solid state switches for aircraft
JP2016218978A (ja) * 2015-05-26 2016-12-22 富士通株式会社 電子機器及び電子機器制御方法
CN105138101A (zh) * 2015-08-31 2015-12-09 联想(北京)有限公司 一种供电方法及电子设备
US10298023B2 (en) * 2015-09-25 2019-05-21 Dell Products, Lp Universal power converter having variable voltage capability and method therefor
US9613714B1 (en) * 2016-01-19 2017-04-04 Ememory Technology Inc. One time programming memory cell and memory array for physically unclonable function technology and associated random code generating method
CN107204705B (zh) * 2016-03-18 2019-04-19 电信科学技术研究院 Dc-dc调节器及其软启动的控制方法、控制器
CN106100106A (zh) * 2016-08-15 2016-11-09 威胜集团有限公司 电源切换电路和用该电路制成的计量仪表
US10778019B2 (en) * 2017-07-20 2020-09-15 Connaught Electronics Ltd. Reverse current prevention for FET used as reverse polarity protection device
US11695283B2 (en) * 2018-05-11 2023-07-04 Texas Instruments Incorporated Shoot-through current limiting circuit
KR102382253B1 (ko) * 2018-10-30 2022-04-01 주식회사 엘지에너지솔루션 메인 스위치를 위한 드라이버 회로 및 그것을 포함하는 제어 장치
CN111193506B (zh) 2018-11-14 2021-08-31 珠海格力电器股份有限公司 一种带电压隔离的低功耗pmos管衬底切换电路
TWI665847B (zh) * 2018-11-20 2019-07-11 聯陽半導體股份有限公司 電源切換系統
CN109525033A (zh) * 2018-11-29 2019-03-26 威创集团股份有限公司 供电电路、方法及低功率投影设备
CN110994770A (zh) * 2019-12-30 2020-04-10 武汉瑞纳捷电子技术有限公司 双电源切换电路及采用该电路的物联网芯片
JP7509569B2 (ja) * 2020-04-28 2024-07-02 ラピスセミコンダクタ株式会社 電源切り替え装置
CN113093853B (zh) * 2021-04-15 2022-08-23 东北大学 一种实现低电压启动过程中低输入输出压差的改进ldo电路
CN113285439A (zh) * 2021-07-22 2021-08-20 深之蓝(天津)水下智能科技有限公司 防打火电路、供电装置和机器人
US12218652B2 (en) * 2021-12-07 2025-02-04 Renesas Design Austria Gmbh Autonomous power supply switch
JP2024137260A (ja) * 2023-03-24 2024-10-07 株式会社東芝 半導体回路
US12341497B2 (en) * 2023-06-23 2025-06-24 Qualcomm Incorporated Power multiplexer

Citations (2)

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Publication number Priority date Publication date Assignee Title
US5886561A (en) * 1996-11-18 1999-03-23 Waferscale Integration, Inc. Backup battery switch
EP0911719A2 (en) * 1997-09-29 1999-04-28 Mitsubishi Denki Kabushiki Kaisha Low power consumption switching device for power source

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JPH01116542U (enExample) * 1988-01-27 1989-08-07
US5306961A (en) * 1989-05-15 1994-04-26 Dallas Semiconductor Corporation Low-power integrated circuit with selectable battery modes
JPH11288588A (ja) * 1998-04-02 1999-10-19 Mitsubishi Electric Corp 半導体回路装置
JP2000341877A (ja) * 1999-05-25 2000-12-08 Nec Eng Ltd 電源切替回路
JP4075246B2 (ja) * 1999-09-28 2008-04-16 ソニー株式会社 電源ユニット
US6525599B2 (en) * 2001-06-29 2003-02-25 Intel Corporation Changeable voltage regulator for a computer processor
JP4301760B2 (ja) * 2002-02-26 2009-07-22 株式会社ルネサステクノロジ 半導体装置
KR100555509B1 (ko) * 2003-07-23 2006-03-03 삼성전자주식회사 선택적 전압 레퍼런스로 소모 전력을 절감하는 내부 전압변환기, 이를 구비한 반도체 장치 및 그 방법
JP2006254672A (ja) * 2005-03-14 2006-09-21 Mitsumi Electric Co Ltd 電源切り替え回路
JP2007116772A (ja) * 2005-10-18 2007-05-10 Sharp Corp 電源装置
JP4938439B2 (ja) * 2006-12-27 2012-05-23 オンセミコンダクター・トレーディング・リミテッド スイッチング制御回路

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5886561A (en) * 1996-11-18 1999-03-23 Waferscale Integration, Inc. Backup battery switch
EP0911719A2 (en) * 1997-09-29 1999-04-28 Mitsubishi Denki Kabushiki Kaisha Low power consumption switching device for power source

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
JP特开2000-341877A 2000.12.08
JP特开2006-254672A 2006.09.21

Also Published As

Publication number Publication date
TW200937804A (en) 2009-09-01
TWI431898B (zh) 2014-03-21
KR101188148B1 (ko) 2012-10-08
JP5112846B2 (ja) 2013-01-09
US20090167410A1 (en) 2009-07-02
KR20090071413A (ko) 2009-07-01
CN101471579A (zh) 2009-07-01
JP2009159746A (ja) 2009-07-16
US7800433B2 (en) 2010-09-21

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