DE3888303D1 - Über-Entladungsschutzschaltung. - Google Patents

Über-Entladungsschutzschaltung.

Info

Publication number
DE3888303D1
DE3888303D1 DE88120149T DE3888303T DE3888303D1 DE 3888303 D1 DE3888303 D1 DE 3888303D1 DE 88120149 T DE88120149 T DE 88120149T DE 3888303 T DE3888303 T DE 3888303T DE 3888303 D1 DE3888303 D1 DE 3888303D1
Authority
DE
Germany
Prior art keywords
battery
charge
resistor
circuit
over
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
DE88120149T
Other languages
English (en)
Other versions
DE3888303T2 (de
Inventor
Akio Nakanishi
Ken-Ichi Ikegaya
Takao Naito
Yukio Sejima
Koji Matsushima
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.)
Fujitsu Ltd
Original Assignee
Fujitsu 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 Fujitsu Ltd filed Critical Fujitsu Ltd
Publication of DE3888303D1 publication Critical patent/DE3888303D1/de
Application granted granted Critical
Publication of DE3888303T2 publication Critical patent/DE3888303T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
    • H02J7/0031—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits using battery or load disconnect circuits

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • Protection Of Static Devices (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Amplifiers (AREA)
DE3888303T 1987-12-03 1988-12-02 Über-Entladungsschutzschaltung. Expired - Fee Related DE3888303T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62304419A JPH01148029A (ja) 1987-12-03 1987-12-03 充電遮断時における過放電保護方式

Publications (2)

Publication Number Publication Date
DE3888303D1 true DE3888303D1 (de) 1994-04-14
DE3888303T2 DE3888303T2 (de) 1994-08-04

Family

ID=17932772

Family Applications (1)

Application Number Title Priority Date Filing Date
DE3888303T Expired - Fee Related DE3888303T2 (de) 1987-12-03 1988-12-02 Über-Entladungsschutzschaltung.

Country Status (5)

Country Link
US (1) US5177426A (de)
EP (1) EP0319020B1 (de)
JP (1) JPH01148029A (de)
AT (1) ATE102763T1 (de)
DE (1) DE3888303T2 (de)

Families Citing this family (35)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5547775A (en) * 1991-04-26 1996-08-20 Sony Corporation Circuit for preventing overcharge and overdischarge of secondary batteries
JP3136677B2 (ja) * 1991-07-31 2001-02-19 ソニー株式会社 ２次電池の過充電及び過放電防止回路
JPH04331425A (ja) * 1991-04-26 1992-11-19 Sony Corp 過充電防止装置、過放電防止装置、過充電・過放電防止装置、プリント基板並びにバッテリーパック
KR960007923Y1 (ko) * 1991-09-18 1996-09-18 삼성전자 주식회사 건전지 보호회로
US5334925A (en) * 1992-09-18 1994-08-02 Kendrick Robert A Nickel cadmium battery deep cycler device
JP3219524B2 (ja) * 1993-01-19 2001-10-15 三洋電機株式会社 二次電池の過放電保護回路
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
FR2721766B1 (fr) * 1994-06-28 1996-07-26 Thomson Consumer Electronics Appareil électronique à deux modes d'alimentation.
JP3610595B2 (ja) * 1994-07-20 2005-01-12 松下電器産業株式会社 コードレス電話装置
US5581170A (en) * 1994-12-12 1996-12-03 Unitrode Corporation Battery protector
US5652501A (en) 1994-12-12 1997-07-29 Unitrode Corporation Voltage sensor for detecting cell voltages
US5462814A (en) * 1994-12-27 1995-10-31 Motorola, Inc. Method and apparatus for providing an electronic lockout for a rechargeable battery
US5625273A (en) * 1994-12-30 1997-04-29 Bren-Tronics Inc. Battery safety device
JP3309266B2 (ja) * 1995-02-28 2002-07-29 京セラ株式会社 電池パックの充電端子短絡防止回路
US5668462A (en) 1995-05-08 1997-09-16 Telefonaktiebolaget Lm Ericsson Method and apparatus for controlling a charging current of a battery in a portable chargeable electronic unit
US5635821A (en) * 1995-06-30 1997-06-03 National Semiconductor Corporation Low cell charge enable circuit
KR980006710A (ko) * 1996-06-29 1998-03-30 김광호 메모리 효과 방지를 위한 배터리 충전기
KR100193736B1 (ko) * 1996-09-17 1999-06-15 윤종용 배터리 보호 기능을 갖는 배터리 팩
US6091948A (en) * 1997-02-28 2000-07-18 Oki Telecom, Inc. One number service using mobile assisted call forwarding facilities
US6188888B1 (en) 1998-03-30 2001-02-13 Oki Telecom, Inc. Charging unit and wireless telephone having multi-number call forwarding capability
US6331763B1 (en) 1998-04-15 2001-12-18 Tyco Electronics Corporation Devices and methods for protection of rechargeable elements
US6034504A (en) * 1998-06-10 2000-03-07 Ericsson Inc. Two-wire multi-rate battery charger
JP2000069520A (ja) * 1998-08-26 2000-03-03 Matsushita Electric Ind Co Ltd 無線呼出受信機
JP2003219009A (ja) * 2002-01-21 2003-07-31 Shijin Kogyo Sakushinkai 無線携帯装置に串接された緊急電力供給装置
US7616421B2 (en) * 2006-12-18 2009-11-10 Caterpillar Inc. Electrical interface system
US7789685B2 (en) * 2006-12-18 2010-09-07 Caterpillar Inc Electrical shorting system
CN101557119B (zh) * 2008-04-09 2012-11-21 鹏智科技(深圳)有限公司 二次电池的充电控制电路
US8022661B1 (en) 2008-04-28 2011-09-20 Lockheed Martin Corporation Battery over-discharge protection with dead-bus recovery
US8250385B2 (en) * 2009-01-30 2012-08-21 Hewlett-Packard Development Company, L.P. Method and system of dissipating power from a power supply
CN102195270A (zh) * 2011-05-31 2011-09-21 无锡新纬电池有限公司 软壳锂电池过充与过热报警保护结构
JP5803446B2 (ja) * 2011-09-02 2015-11-04 ミツミ電機株式会社 半導体集積回路、保護回路及び電池パック
ITMI20120333A1 (it) * 2012-03-02 2013-09-03 St Microelectronics Srl Caricatore di batterie.
US9041357B2 (en) 2012-04-23 2015-05-26 Motorola Solutions, Inc. Apparatus for minimizing self-discharge of a smart battery pack
CN104868449B (zh) * 2014-06-30 2017-11-03 北汽福田汽车股份有限公司 一种电池单体过放保护方法及系统
US10992144B2 (en) * 2017-05-17 2021-04-27 Galley Power LLC Battery balancing and current control with bypass circuit for load switch

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3766403A (en) * 1970-05-26 1973-10-16 Matsushita Electric Ind Co Ltd Apparatus for ensuring dc power supply from either ac or rechargeable dc source
DE2128015B1 (de) * 1971-06-05 1972-10-05 Friemann & Wolf Gmbh Schaltungsanordnung zum Schutz vor Tiefentladung eines Akkumulators in einem von einem Ladegerät aufladbaren Notstromversorgungsgerät
DE2362107C3 (de) * 1973-12-14 1979-09-20 Gebr. Eickhoff, Maschinenfabrik U. Eisengiesserei Mbh, 4630 Bochum Stromversorgungseinrichtung fUr eine Gewinnungsmaschine, insbesondere für eine Walzenschrämmaschine
GB2010028B (en) * 1977-11-04 1982-04-28 Minitronics Pty Ltd Control of power supply
CH627983A5 (it) * 1978-08-21 1982-02-15 Gilardoni Angelo Impianto di illuminazione di un ciclo.
JPS56143023A (en) * 1980-04-08 1981-11-07 Matsushita Electric Ind Co Ltd Power supply circuit
JPS57122956U (de) * 1981-01-23 1982-07-31
US4536695A (en) * 1983-12-12 1985-08-20 Lin Ming Hsin Discharging protection device for battery-operated portable electric light
JPS6281133A (ja) * 1985-10-03 1987-04-14 Nippon Telegr & Teleph Corp <Ntt> 無線電話装置の連続送信禁止方式
JPS63248227A (ja) * 1987-04-03 1988-10-14 Aisin Seiki Co Ltd 電話装置

Also Published As

Publication number Publication date
EP0319020A3 (en) 1990-12-05
EP0319020A2 (de) 1989-06-07
JPH01148029A (ja) 1989-06-09
EP0319020B1 (de) 1994-03-09
ATE102763T1 (de) 1994-03-15
DE3888303T2 (de) 1994-08-04
US5177426A (en) 1993-01-05

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee