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EP2111682A4 - Charging circuit for parallel charging in multiple battery systems - Google Patents

Charging circuit for parallel charging in multiple battery systems

Info

Publication number
EP2111682A4
EP2111682A4 EP03814354A EP03814354A EP2111682A4 EP 2111682 A4 EP2111682 A4 EP 2111682A4 EP 03814354 A EP03814354 A EP 03814354A EP 03814354 A EP03814354 A EP 03814354A EP 2111682 A4 EP2111682 A4 EP 2111682A4
Authority
EP
European Patent Office
Prior art keywords
charging
multiple battery
battery systems
parallel
charging 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.)
Withdrawn
Application number
EP03814354A
Other languages
German (de)
French (fr)
Other versions
EP2111682A2 (en
Inventor
Vlad Popescu Stanesti
Marian Niculae
Constantin Bucur
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.)
O2Micro Inc
Original Assignee
O2Micro 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
Priority claimed from US10/328,466 external-priority patent/US6611129B2/en
Priority claimed from US10/364,228 external-priority patent/US6977482B2/en
Priority claimed from US10/648,891 external-priority patent/US7064521B2/en
Application filed by O2Micro Inc filed Critical O2Micro Inc
Publication of EP2111682A4 publication Critical patent/EP2111682A4/en
Publication of EP2111682A2 publication Critical patent/EP2111682A2/en
Withdrawn legal-status Critical Current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
    • H02J7/0013—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries acting upon several batteries simultaneously or sequentially
    • H02J7/0014—Circuits for equalisation of charge between batteries
    • H02J7/0018—Circuits for equalisation of charge between batteries using separate charge circuits
    • 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
    • H02J7/0013—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries acting upon several batteries simultaneously or sequentially
    • H02J7/0014—Circuits for equalisation of charge between batteries
    • H02J7/0019—Circuits for equalisation of charge between batteries using switched or multiplexed charge circuits
    • 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
    • H02J7/0013—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries acting upon several batteries simultaneously or sequentially
    • H02J7/0025—Sequential battery discharge in systems with a plurality of batteries
    • 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
    • H02J7/0068—Battery or charger load switching, e.g. concurrent charging and load supply
    • 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
    • H02J7/0069—Charging or discharging for charge maintenance, battery initiation or rejuvenation
    • 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
    • H02J7/02—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from AC mains by converters
    • 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
    • H02J7/34—Parallel operation in networks using both storage and other DC sources, e.g. providing buffering
    • 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
    • H02J2207/00—Indexing scheme relating to details of circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J2207/20—Charging or discharging characterised by the power electronics converter
    • 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
    • H02M1/0045—Converters combining the concepts of switch-mode regulation and linear regulation, e.g. linear pre-regulator to switching converter, linear and switching converter in parallel, same converter or same transistor operating either in linear or switching mode

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
  • Secondary Cells (AREA)
EP03814354A 2002-12-23 2003-12-23 Charging circuit for parallel charging in multiple battery systems Withdrawn EP2111682A2 (en)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
US10/328,466 US6611129B2 (en) 2001-08-17 2002-12-23 Voltage mode, high accuracy battery charger
US10/364,228 US6977482B2 (en) 2003-02-11 2003-02-11 Selector circuit for power management in multiple battery systems
US45782603P 2003-03-26 2003-03-26
US48463503P 2003-07-03 2003-07-03
US10/618,901 US6861823B2 (en) 2001-08-17 2003-07-14 Charging circuit for controlling a charging parameter of a rechargeable battery
US10/648,891 US7064521B2 (en) 2001-08-17 2003-08-27 Charging circuit for parallel charging in multiple battery systems
PCT/US2003/041117 WO2004059757A2 (en) 2002-12-23 2003-12-23 Charging circuit for parallel charging in multiple battery systems

Publications (2)

Publication Number Publication Date
EP2111682A4 true EP2111682A4 (en) 2009-10-28
EP2111682A2 EP2111682A2 (en) 2009-10-28

Family

ID=56290511

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03814354A Withdrawn EP2111682A2 (en) 2002-12-23 2003-12-23 Charging circuit for parallel charging in multiple battery systems

Country Status (5)

Country Link
EP (1) EP2111682A2 (en)
JP (1) JP2005534278A (en)
AU (1) AU2003300320A1 (en)
TW (1) TWI231081B (en)
WO (1) WO2004059757A2 (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110121653A1 (en) * 2005-02-18 2011-05-26 O2Micro International Limited Parallel powering of portable electrical devices
US7710079B2 (en) 2005-07-19 2010-05-04 Linear Technology Corporation Power manager and power managing method for battery-powered application
JP5170610B2 (en) * 2006-02-28 2013-03-27 日立工機株式会社 Charger
AU2011272799B2 (en) 2010-06-30 2014-10-30 Ergotron, Inc. Electrical load management system and method
CN102710127B (en) * 2011-01-11 2015-05-20 瑞昱半导体股份有限公司 Single-inductance double-output power converter and driving method thereof
CN103376413A (en) * 2012-04-20 2013-10-30 凹凸电子（武汉）有限公司 Test system of battery and method for controlling test system of battery
US10411468B2 (en) 2014-09-18 2019-09-10 Ergotron, Inc. Electrical load management system and method
CN107394856B (en) * 2017-08-31 2024-01-30 旋智电子科技（上海）有限公司 Parallel battery charging circuit and charging method thereof
DE102018207191A1 (en) * 2018-05-09 2019-11-14 Robert Bosch Gmbh Device for providing a charging current for at least one battery and method for operating the same
WO2021220733A1 (en) * 2020-04-27 2021-11-04 京セラ株式会社 Electricity storage system, and control method

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5442274A (en) * 1992-08-27 1995-08-15 Sanyo Electric Company, Ltd. Rechargeable battery charging method
US5715156A (en) * 1996-06-24 1998-02-03 Yilmaz; G. George Method and apparatus for providing AC or DC power for battery powered tools
US5905361A (en) * 1994-09-01 1999-05-18 Fujitsu Limited Charging-and-discharging device, constant-voltage and constant-current control circuit, and electronic device
US5917308A (en) * 1997-09-10 1999-06-29 Lucent Technologies Inc. System and method for controlling excessive charging-current in a battery power system
US6184660B1 (en) * 1998-03-26 2001-02-06 Micro International, Ltd. High-side current-sensing smart battery charger
US6204633B1 (en) * 1998-02-20 2001-03-20 Fujitsu Limited Power supply apparatus with chargeable battery and charge/discharge method

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4270080A (en) * 1978-12-14 1981-05-26 Sun Electric Corporation Automatic battery charge apparatus and method
US5625275A (en) * 1995-05-24 1997-04-29 Ast Research, Inc. Power supply which provides a variable charging current to a battery in a portable computer system

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5442274A (en) * 1992-08-27 1995-08-15 Sanyo Electric Company, Ltd. Rechargeable battery charging method
US5905361A (en) * 1994-09-01 1999-05-18 Fujitsu Limited Charging-and-discharging device, constant-voltage and constant-current control circuit, and electronic device
US5715156A (en) * 1996-06-24 1998-02-03 Yilmaz; G. George Method and apparatus for providing AC or DC power for battery powered tools
US5917308A (en) * 1997-09-10 1999-06-29 Lucent Technologies Inc. System and method for controlling excessive charging-current in a battery power system
US6204633B1 (en) * 1998-02-20 2001-03-20 Fujitsu Limited Power supply apparatus with chargeable battery and charge/discharge method
US6184660B1 (en) * 1998-03-26 2001-02-06 Micro International, Ltd. High-side current-sensing smart battery charger

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2004059757A2 *

Also Published As

Publication number Publication date
TWI231081B (en) 2005-04-11
WO2004059757A2 (en) 2004-07-15
EP2111682A2 (en) 2009-10-28
JP2005534278A (en) 2005-11-10
AU2003300320A8 (en) 2004-07-22
AU2003300320A1 (en) 2004-07-22
WO2004059757A3 (en) 2005-03-24
TW200419871A (en) 2004-10-01

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Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 20050611

A4 Supplementary search report drawn up and despatched

Effective date: 20060808

AK Designated contracting states

Kind code of ref document: A2

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT RO SE SI SK TR

17Q First examination report despatched

Effective date: 20130219

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 20160701