TW376474B - A selection circuit for dual batteries in a portable computer - Google Patents

A selection circuit for dual batteries in a portable computer

Info

Publication number
TW376474B
TW376474B TW086107700A TW86107700A TW376474B TW 376474 B TW376474 B TW 376474B TW 086107700 A TW086107700 A TW 086107700A TW 86107700 A TW86107700 A TW 86107700A TW 376474 B TW376474 B TW 376474B
Authority
TW
Taiwan
Prior art keywords
battery
batteries
circuit
current path
low resistive
Prior art date
Application number
TW086107700A
Other languages
English (en)
Inventor
Dong-Hwan Kim
Original Assignee
Samsung Electronics Co Ltd
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 Samsung Electronics Co Ltd filed Critical Samsung Electronics Co Ltd
Application granted granted Critical
Publication of TW376474B publication Critical patent/TW376474B/zh

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/26—Power supply means, e.g. regulation thereof
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/48—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
    • H01M10/482—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte for several batteries or cells simultaneously or sequentially
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/50—Current conducting connections for cells or batteries
    • H01M50/569—Constructional details of current conducting connections for detecting conditions inside cells or batteries, e.g. details of voltage sensing terminals
    • 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
    • H02J7/00—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries
    • H02J7/50—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries acting upon multiple batteries simultaneously or sequentially
    • H02J7/575—Parallel/serial switching of connection of batteries to charge or load circuit
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Power Engineering (AREA)
  • Theoretical Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
  • Battery Mounting, Suspending (AREA)
  • Secondary Cells (AREA)
  • Power Sources (AREA)
  • Stand-By Power Supply Arrangements (AREA)
TW086107700A 1996-09-03 1997-06-04 A selection circuit for dual batteries in a portable computer TW376474B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019960038062A KR100281534B1 (ko) 1996-09-03 1996-09-03 휴대용 컴퓨터의 배터리팩 선택 회로

Publications (1)

Publication Number Publication Date
TW376474B true TW376474B (en) 1999-12-11

Family

ID=19472626

Family Applications (1)

Application Number Title Priority Date Filing Date
TW086107700A TW376474B (en) 1996-09-03 1997-06-04 A selection circuit for dual batteries in a portable computer

Country Status (4)

Country Link
US (1) US5867007A (zh)
JP (1) JP3633230B2 (zh)
KR (1) KR100281534B1 (zh)
TW (1) TW376474B (zh)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI490683B (zh) * 2010-07-06 2015-07-01 Giga Byte Tech Co Ltd 可攜式電子裝置

Families Citing this family (65)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6031355A (en) * 1997-08-16 2000-02-29 Rich; Joe G. Circuit utilizing current flowing from a high-potential battery bank to a low-potential battery bank
JPH11103532A (ja) * 1997-09-29 1999-04-13 Mitsubishi Electric Corp バッテリ充電放電制御回路
US6008625A (en) * 1998-01-16 1999-12-28 Wilson Greatbatch Ltd. Use of double cells to power an implantable medical device
KR100281528B1 (ko) * 1998-04-29 2001-02-15 윤종용 전원 공급 회로
KR100415989B1 (ko) 1998-07-11 2004-05-20 삼성전자주식회사 컴퓨터고유배터리팩또는일반배터리를사용할수있는휴대형컴퓨터
JP2000148310A (ja) * 1998-11-04 2000-05-26 Nec Yonezawa Ltd 携帯用情報機器の選択型電源供給システム
US6037756A (en) * 1999-03-05 2000-03-14 Pong; Ta-Ching Power supply with mixed mode batteries
US6140799A (en) * 1999-06-29 2000-10-31 Thomasson; Mark J. Switched battery-bank assembly for providing incremental voltage control
US6153947A (en) * 1999-07-06 2000-11-28 Lucent Technologies Inc. Dual feed hot swap battery plant controller for power supplies
KR100536589B1 (ko) * 1999-07-27 2005-12-14 삼성전자주식회사 배터리 전원의 전자 장치 및 그의 전원 공급 제어 방법
US6463545B1 (en) * 1999-10-01 2002-10-08 Compaq Information Technologies Group, L.P. Battery calibration system for discharging a rechargeable battery and generating an ac detect signal to power management logic to maintain normal computer operation even when battery is below certain level
KR20000063237A (ko) * 2000-05-30 2000-11-06 이주호 차량의 자동충전 및 시동시스템
US6288521B1 (en) * 2000-09-08 2001-09-11 Stmicroelectronics, Inc. Intelligent power management for rechargeable batteries
EP1462315B1 (en) * 2001-11-27 2007-02-21 Lear Automotive (EEDS) Spain, S.L. System and method for protecting against short circuits in electric power distribution architectures with two voltage levels
US6854657B2 (en) * 2001-11-28 2005-02-15 General Instrument Corporation Dual battery configuration and method of using the same to provide a long-term power solution in a programmable smart card
US6670791B1 (en) * 2002-02-08 2003-12-30 National Semiconductor Corporation Dual path break before make digital circuit
US6888337B2 (en) * 2003-03-04 2005-05-03 Hewlett-Packard Development Company, L.P. Power system and method
US7009350B1 (en) * 2004-02-13 2006-03-07 Great Systems, Inc. Energy collection and storage system
US20060097700A1 (en) * 2004-11-10 2006-05-11 Eaglepicher Technologies, Llc Method and system for cell equalization with charging sources and shunt regulators
US20060097697A1 (en) * 2004-11-10 2006-05-11 Eaglepicher Technologies, Llc Method and system for cell equalization with switched charging sources
US7928691B2 (en) * 2004-11-10 2011-04-19 EaglePicher Technologies Method and system for cell equalization with isolated charging sources
JP2006311507A (ja) * 2005-03-28 2006-11-09 Matsushita Electric Ind Co Ltd 電源スイッチ回路
CN100552591C (zh) * 2005-10-19 2009-10-21 宏碁股份有限公司 电压调整系统及其方法
US7471061B2 (en) * 2006-03-21 2008-12-30 Dell Products L.P. Method and apparatus for extending battery life in regulated voltage applications
DE102006040753B4 (de) * 2006-08-31 2012-06-21 Knorr-Bremse Systeme für Nutzfahrzeuge GmbH Redundante Stromversorgung mit Diagnosefähigkeit und Schutzbeschaltung
US8902568B2 (en) 2006-09-27 2014-12-02 Covidien Lp Power supply interface system for a breathing assistance system
EP1947729B1 (en) * 2007-01-17 2010-09-22 Samsung SDI Co., Ltd. Hybrid battery
KR100959612B1 (ko) * 2007-01-17 2010-05-27 삼성에스디아이 주식회사 하이브리드 전지
US7538452B2 (en) * 2007-06-12 2009-05-26 Inventec Corporation Power-saving circuit and method thereof
CN201170892Y (zh) 2008-04-22 2008-12-24 怡利电子工业股份有限公司 可携式电子装置电池结构
US7893560B2 (en) 2008-09-12 2011-02-22 Nellcor Puritan Bennett Llc Low power isolation design for a multiple sourced power bus
US8302600B2 (en) 2008-09-30 2012-11-06 Nellcor Puritan Bennett Llc Battery management for a breathing assistance system
US8253383B2 (en) * 2009-02-05 2012-08-28 O2Micro Inc Circuits and methods for monitoring multi-cell battery packs
US8776790B2 (en) * 2009-07-16 2014-07-15 Covidien Lp Wireless, gas flow-powered sensor system for a breathing assistance system
US8547062B2 (en) 2009-12-02 2013-10-01 Covidien Lp Apparatus and system for a battery pack assembly used during mechanical ventilation
US8274395B1 (en) 2010-02-08 2012-09-25 Adtran, Inc. Battery monitoring systems and methods
US20110309796A1 (en) * 2010-06-22 2011-12-22 A123 Systems, Inc. System and Method for Managing Charge Within a Battery Pack
US8541979B2 (en) * 2010-06-22 2013-09-24 A123 Systems, Inc. System and method for balancing voltage of individual battery cells within a battery pack
JP5618359B2 (ja) * 2010-08-02 2014-11-05 Ｎｅｃエナジーデバイス株式会社 二次電池パック接続制御方法、および、蓄電システム
CN102801188B (zh) 2011-05-26 2015-05-20 华硕电脑股份有限公司 电源控制方法与应用其的电子装置
US8941264B2 (en) * 2011-06-20 2015-01-27 Bae Systems Information And Electronic Systems Integration Inc. Apparatus for bi-directional power switching in low voltage vehicle power distribution systems
TWI451112B (zh) 2012-06-21 2014-09-01 Via Tech Inc 電池管理系統
CN103403643B (zh) * 2012-06-27 2016-03-02 华为终端有限公司 充放电管理装置及移动终端
CN103181054B (zh) * 2012-08-07 2015-11-25 华为终端有限公司 用于供电的装置、方法和用户设备
CN102832669B (zh) * 2012-09-06 2015-10-14 深圳市合元科技有限公司 电池智能充放电控制电路
WO2015157892A1 (en) * 2014-04-14 2015-10-22 Nokia Technologies Oy Method and apparatus for powering mobile device
EP2944432B1 (en) * 2014-05-16 2017-05-31 Techtronic Power Tools Technology Limited Multi-battery pack for power tools
US9007015B1 (en) 2014-07-03 2015-04-14 The Noco Company Portable vehicle battery jump start apparatus with safety protection
US11458851B2 (en) * 2014-07-03 2022-10-04 The Noco Company Jump starting apparatus
US9525307B2 (en) * 2014-07-28 2016-12-20 Ohanes D. Ghazarian Automatic dual battery charger mobile communication apparatus
US9263898B1 (en) * 2014-07-28 2016-02-16 Ohanes D. Ghazarian Dual battery charger mobile communication apparatus
US10637264B2 (en) * 2014-09-24 2020-04-28 Powertec Solutions International Llc Portable switching power supply with attachable battery pack and enclosure
US9525298B1 (en) * 2014-10-28 2016-12-20 Microsemi Storage Solutions (U.S.), Inc. Method and system for voltage balancing of multiple rechargeable energy storage devices
USD775345S1 (en) 2015-04-10 2016-12-27 Covidien Lp Ventilator console
US10031567B2 (en) 2015-06-09 2018-07-24 Microsoft Technology Licensing, Llc Offline battery management in a device
CN104953701B (zh) * 2015-06-24 2017-07-11 青岛鼎信通讯股份有限公司 一种隔离式电池供电装置
EP4475269A3 (en) 2016-08-10 2025-03-19 Briggs & Stratton, LLC User-scalable power unit including removable battery packs
WO2018102905A1 (en) * 2016-12-08 2018-06-14 Argentum Electronics, Inc. Power combiner systems and methods
EP3361596B1 (de) * 2017-02-08 2020-04-29 VARTA Microbattery GmbH Batterie mit einem batteriemanagementsystem, das eine elektronische schalteinrichtung umfasst
CN110768313A (zh) * 2018-07-25 2020-02-07 南京奥视威电子科技股份有限公司 一种电池及外部部件
CN113423947A (zh) 2018-10-29 2021-09-21 Ox合作伙伴有限责任公司 可拆卸辅助电力系统
CN111668911A (zh) * 2019-03-05 2020-09-15 富泰华工业（深圳）有限公司 供电电路及电子装置
CN110768361B (zh) * 2019-11-19 2024-02-02 格力博(江苏)股份有限公司 电动工具
US11691261B2 (en) * 2020-06-02 2023-07-04 Snap-On Incorporated Housing clamp for a power tool
CN112152195A (zh) * 2020-09-18 2020-12-29 福建升腾资讯有限公司 一种电源自切换装置和方法

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0435317A3 (en) * 1989-12-28 1992-06-17 Kabushiki Kaisha Toshiba Personal computer for performing charge and switching control of different types of battery packs
EP0463593A3 (en) * 1990-06-25 1992-08-05 Kabushiki Kaisha Toshiba Portable computer powered by rechargeable batteries
JP3099405B2 (ja) * 1991-04-24 2000-10-16 株式会社デンソー 車両用電源装置
US5547775A (en) * 1991-04-26 1996-08-20 Sony Corporation Circuit for preventing overcharge and overdischarge of secondary batteries
JP2818508B2 (ja) * 1991-10-29 1998-10-30 日本電気株式会社 小形携帯用電子装置
US5179337A (en) * 1991-11-13 1993-01-12 International Business Machines Corporation Over-discharge protection for rechargeable batteries
JP3222999B2 (ja) * 1993-08-20 2001-10-29 三洋電機株式会社 二次電池の過放電防止回路
JP3179948B2 (ja) * 1993-10-06 2001-06-25 株式会社リコー 電子機器
US5477123A (en) * 1994-12-12 1995-12-19 Technoggin, Inc. Connection multiple batteries to battery powered devices
US5652499A (en) * 1995-02-20 1997-07-29 Sanyo Electric Co., Ltd. Power supply apparatus to provide power to electrical equipment from a plurality of battery packs and its method of power supply
US5646503A (en) * 1995-10-04 1997-07-08 Motorola, Inc. Method for balancing power sources and structure therefor
US5598041A (en) * 1995-11-16 1997-01-28 Lockheed Martin Corporation Efficient fault tolerant switching circuit for redundant d. c. power supplies

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI490683B (zh) * 2010-07-06 2015-07-01 Giga Byte Tech Co Ltd 可攜式電子裝置

Also Published As

Publication number Publication date
JP3633230B2 (ja) 2005-03-30
JPH1098835A (ja) 1998-04-14
KR19980019817A (ko) 1998-06-25
US5867007A (en) 1999-02-02
KR100281534B1 (ko) 2001-02-15

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Legal Events

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MM4A Annulment or lapse of patent due to non-payment of fees