TW529228B - Power supply isolation circuit and method - Google Patents

Power supply isolation circuit and method Download PDF

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Publication number
TW529228B
TW529228B TW090117059A TW90117059A TW529228B TW 529228 B TW529228 B TW 529228B TW 090117059 A TW090117059 A TW 090117059A TW 90117059 A TW90117059 A TW 90117059A TW 529228 B TW529228 B TW 529228B
Authority
TW
Taiwan
Prior art keywords
output
power supply
voltage
switching device
mosfet
Prior art date
Application number
TW090117059A
Other languages
English (en)
Chinese (zh)
Inventor
Bradley D Winick
Robert B Smith
Original Assignee
Hewlett Packard Co
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 Hewlett Packard Co filed Critical Hewlett Packard Co
Application granted granted Critical
Publication of TW529228B publication Critical patent/TW529228B/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
    • H02J1/00—Circuit arrangements for DC mains or DC distribution networks
    • H02J1/10—Parallel operation of DC sources
    • H02J1/108—Parallel operation of DC sources having arrangements for blocking reverse current flow, e.g. using diodes

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Dc-Dc Converters (AREA)
  • Control Of Voltage And Current In General (AREA)
  • Control Of Electrical Variables (AREA)
  • Measurement Of Current Or Voltage (AREA)
  • Direct Current Feeding And Distribution (AREA)
TW090117059A 2000-12-15 2001-07-12 Power supply isolation circuit and method TW529228B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US09/738,829 US6462434B1 (en) 2000-12-15 2000-12-15 Power supply isolation circuit and method

Publications (1)

Publication Number Publication Date
TW529228B true TW529228B (en) 2003-04-21

Family

ID=24969658

Family Applications (1)

Application Number Title Priority Date Filing Date
TW090117059A TW529228B (en) 2000-12-15 2001-07-12 Power supply isolation circuit and method

Country Status (3)

Country Link
US (1) US6462434B1 (https=)
JP (1) JP4473480B2 (https=)
TW (1) TW529228B (https=)

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* Cited by examiner, † Cited by third party
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US8258762B2 (en) 2007-04-14 2012-09-04 Msi Computer (Shenzhen) Co., Ltd. Computer power measurement device
CN103516218A (zh) * 2012-06-28 2014-01-15 善元科技股份有限公司 电源供应装置

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US7671489B1 (en) * 2001-01-26 2010-03-02 Sirf Technology, Inc. Method and apparatus for selectively maintaining circuit power when higher voltages are present
US6600239B2 (en) * 2001-03-22 2003-07-29 Hewlett-Packard Development Company, L.P. Active circuit protection for switched power supply system
US7379282B1 (en) * 2002-12-26 2008-05-27 Network Appliance, Inc Input and output isolating diode for power dissipation reduction of power supplies
CN100358217C (zh) * 2003-12-11 2007-12-26 上海贝尔阿尔卡特股份有限公司 一种低压电源主从供电方式的切换电路
DE102004035126B4 (de) * 2004-07-20 2006-06-14 Austriamicrosystems Ag Schaltungsanordnung zur alternativen Spannungsversorgung einer Last aus mehreren Spannungsquellen und Verfahren zum alternativen Verbinden von Versorgungsspannungsanschlüssen mit einem gemeinsamen Lastanschluss
US20060044725A1 (en) * 2004-08-31 2006-03-02 Cisco Technology, Inc. Monolithic solid state relay circuit for telecom wireline applications
KR100790970B1 (ko) * 2005-08-24 2008-01-02 삼성전자주식회사 급격한 전압 변동이 없는 전원스위칭장치 및전원스위칭방법
SG130957A1 (en) * 2005-09-15 2007-04-26 St Microelectronics Asia An electrical isolation circuit for preventing current flow from an electrical application to a dc power source
US7498864B2 (en) * 2006-04-04 2009-03-03 Freescale Semiconductor, Inc. Electronic fuse for overcurrent protection
US20070273216A1 (en) * 2006-05-24 2007-11-29 Farbarik John M Systems and Methods for Reducing Power Losses in a Medical Device
DE102006040753B4 (de) * 2006-08-31 2012-06-21 Knorr-Bremse Systeme für Nutzfahrzeuge GmbH Redundante Stromversorgung mit Diagnosefähigkeit und Schutzbeschaltung
KR101260307B1 (ko) * 2006-09-04 2013-05-03 삼성전자주식회사 전원공급장치
US20080118798A1 (en) * 2006-11-17 2008-05-22 Gallagher Emerson R Fuel cell system apparatus
JP2008178226A (ja) * 2007-01-18 2008-07-31 Fujitsu Ltd 電源装置および負荷装置への電源電圧の供給方法
TW200919902A (en) * 2007-10-23 2009-05-01 Tpk Touch Solutions Inc Dual-power loop auto-switch circuit system
KR20100019702A (ko) * 2008-08-11 2010-02-19 주식회사 하이닉스반도체 전원 공유가 가능한 반도체 집적회로 및 그 전원 공유 방법
CN102144343A (zh) * 2008-09-05 2011-08-03 Nxp股份有限公司 电源单元和用于控制电源单元的方法
US7893560B2 (en) * 2008-09-12 2011-02-22 Nellcor Puritan Bennett Llc Low power isolation design for a multiple sourced power bus
US20100109440A1 (en) * 2008-10-31 2010-05-06 Honeywell International Inc. Single fault tolerant isolated dual bus power input circuits and systems
US7893566B2 (en) * 2009-03-13 2011-02-22 Fairchild Semiconductor Corporation Power latch
EP2493047A1 (de) * 2011-02-23 2012-08-29 Torqeedo GmbH Parallelschaltung elektrischer Speicher
US9729145B2 (en) * 2012-06-12 2017-08-08 Infineon Technologies Ag Circuit and a method for selecting a power supply
US9614365B2 (en) 2014-03-20 2017-04-04 Cisco Technology, Inc. Method and system to prevent bus voltage sagging when an oring-FET in an N+1 redundant power supply configuration is faulty during power up
WO2016033013A1 (en) * 2014-08-25 2016-03-03 Master Lock Company Llc Circuits and methods using parallel, separate battery cells
US10148099B2 (en) 2015-07-01 2018-12-04 Carrier Corporation System and method for monitoring and controlling parallel batteries
US10424948B2 (en) 2015-07-01 2019-09-24 Carrier Corporation Receptacle for monitoring and controlling parallel batteries
US11043847B2 (en) * 2015-09-25 2021-06-22 The Hong Kong University Of Science And Technology Wireless charging receiver
DE102015225856B4 (de) 2015-12-18 2024-11-28 Audi Ag Ladevorrichtung und Ladeverfahren für eine Hochvoltbatterie eines Kraftfahrzeugs
US10141923B2 (en) 2016-08-25 2018-11-27 Toyota Motor Engineering & Manufacturing North America, Inc. System and method for eliminating gate voltage oscillation in paralleled power semiconductor switches
TWI678606B (zh) * 2017-10-27 2019-12-01 緯創資通股份有限公司 強化負載瞬態響應補償的電路以及方法
US10432184B1 (en) * 2018-08-09 2019-10-01 Texas Instruments Incorporated Channel switchover power multiplexer circuits, and methods of operating the same
CN111342443A (zh) * 2020-03-13 2020-06-26 苏州浪潮智能科技有限公司 一种多路电源同步供电的方法、系统、设备及介质
CN111641254B (zh) * 2020-07-27 2025-08-26 桂林海威科技股份有限公司 一种热冗余转冷冗余备用电源自动切换电路
US12388374B2 (en) * 2022-08-30 2025-08-12 Renesas Electronics America Inc. Real-time misfire detection
CN121036538B (zh) * 2025-10-28 2026-02-06 深圳市微源半导体股份有限公司 隔离管控制电路及开关电源

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US4812672A (en) * 1987-10-01 1989-03-14 Northern Telecom Limited Selective connection of power supplies
US5672958A (en) * 1995-11-14 1997-09-30 Dell Usa L.P. Method and apparatus for modifying feedback sensing for a redundant power supply system
US5598041A (en) * 1995-11-16 1997-01-28 Lockheed Martin Corporation Efficient fault tolerant switching circuit for redundant d. c. power supplies
US5945816A (en) * 1998-04-21 1999-08-31 Alcatel Network Systems, Inc. Self-biased power isolator system

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8258762B2 (en) 2007-04-14 2012-09-04 Msi Computer (Shenzhen) Co., Ltd. Computer power measurement device
CN103516218A (zh) * 2012-06-28 2014-01-15 善元科技股份有限公司 电源供应装置
TWI501518B (zh) * 2012-06-28 2015-09-21 3Y Power Technology Taiwan Inc 電源供應裝置
CN103516218B (zh) * 2012-06-28 2016-01-20 善元科技股份有限公司 电源供应装置

Also Published As

Publication number Publication date
JP2002297246A (ja) 2002-10-11
US6462434B1 (en) 2002-10-08
US20020113494A1 (en) 2002-08-22
JP4473480B2 (ja) 2010-06-02

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