JP4473480B2 - 電源分離回路及び方法 - Google Patents

電源分離回路及び方法 Download PDF

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Publication number
JP4473480B2
JP4473480B2 JP2001381138A JP2001381138A JP4473480B2 JP 4473480 B2 JP4473480 B2 JP 4473480B2 JP 2001381138 A JP2001381138 A JP 2001381138A JP 2001381138 A JP2001381138 A JP 2001381138A JP 4473480 B2 JP4473480 B2 JP 4473480B2
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JP
Japan
Prior art keywords
power supply
output
voltage
input
switching device
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
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JP2001381138A
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English (en)
Japanese (ja)
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JP2002297246A (ja
JP2002297246A5 (https=
Inventor
ブラッドレイ・ディー・ウィニック
ロバート・ビー・スミス
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HP Inc
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Hewlett Packard Co
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Application filed by Hewlett Packard Co filed Critical Hewlett Packard Co
Publication of JP2002297246A publication Critical patent/JP2002297246A/ja
Publication of JP2002297246A5 publication Critical patent/JP2002297246A5/ja
Application granted granted Critical
Publication of JP4473480B2 publication Critical patent/JP4473480B2/ja
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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

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  • 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)
JP2001381138A 2000-12-15 2001-12-14 電源分離回路及び方法 Expired - Fee Related JP4473480B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/738,829 US6462434B1 (en) 2000-12-15 2000-12-15 Power supply isolation circuit and method
US09/738829 2000-12-15

Publications (3)

Publication Number Publication Date
JP2002297246A JP2002297246A (ja) 2002-10-11
JP2002297246A5 JP2002297246A5 (https=) 2005-03-10
JP4473480B2 true JP4473480B2 (ja) 2010-06-02

Family

ID=24969658

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2001381138A Expired - Fee Related JP4473480B2 (ja) 2000-12-15 2001-12-14 電源分離回路及び方法

Country Status (3)

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

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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
TWI353512B (en) 2007-04-14 2011-12-01 Micro Star Int Co Ltd Device for measuring a computer power
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
CN103516218B (zh) * 2012-06-28 2016-01-20 善元科技股份有限公司 电源供应装置
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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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Also Published As

Publication number Publication date
JP2002297246A (ja) 2002-10-11
US6462434B1 (en) 2002-10-08
US20020113494A1 (en) 2002-08-22
TW529228B (en) 2003-04-21

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