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WO2009031201A1 - 充電回路 - Google Patents

充電回路 Download PDF

Info

Publication number
WO2009031201A1
WO2009031201A1 PCT/JP2007/067189 JP2007067189W WO2009031201A1 WO 2009031201 A1 WO2009031201 A1 WO 2009031201A1 JP 2007067189 W JP2007067189 W JP 2007067189W WO 2009031201 A1 WO2009031201 A1 WO 2009031201A1
Authority
WO
WIPO (PCT)
Prior art keywords
charging
voltage
constant
controlling portion
current
Prior art date
Application number
PCT/JP2007/067189
Other languages
English (en)
French (fr)
Inventor
Shinichi Nakagawa
Original Assignee
Fujitsu Microelectronics Limited
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 Microelectronics Limited filed Critical Fujitsu Microelectronics Limited
Priority to PCT/JP2007/067189 priority Critical patent/WO2009031201A1/ja
Priority to JP2009531041A priority patent/JP5056852B2/ja
Publication of WO2009031201A1 publication Critical patent/WO2009031201A1/ja
Priority to US12/708,332 priority patent/US8742730B2/en

Links

Classifications

    • 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
    • H01M10/44—Methods for charging or discharging
    • 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
    • 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
    • H02J7/007—Regulation of charging or discharging current or voltage
    • H02J7/0071—Regulation of charging or discharging current or voltage with a programmable schedule
    • 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)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Power Engineering (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
  • Secondary Cells (AREA)

Abstract

　バッテリー（３）の外れに起因するシステム異常を未然に防止する充電回路（１１）。充電回路（１１）は、充電電圧を検出して定電圧充電動作を行う定電圧充電制御部（８，７）と、充電電流を検出して定電流充電動作を行う定電流充電制御部（６，７）と、充電電圧が満充電電圧に達してから、充電電流が充電終了電流まで減少するまでの間、定電圧充電動作を行うように定電圧充電制御部を制御する制御部（１２，１３）とを含む。制御部（１２，１３）は、定電圧充電動作時にバッテリー（３）の充電を停止し、充電回路（１１）にバッテリー（３）が接続されているか否かを該充電停止時における充電電圧に基づいて検出する。
PCT/JP2007/067189 2007-09-04 2007-09-04 充電回路 WO2009031201A1 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
PCT/JP2007/067189 WO2009031201A1 (ja) 2007-09-04 2007-09-04 充電回路
JP2009531041A JP5056852B2 (ja) 2007-09-04 2007-09-04 充電回路
US12/708,332 US8742730B2 (en) 2007-09-04 2010-02-18 Charging circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2007/067189 WO2009031201A1 (ja) 2007-09-04 2007-09-04 充電回路

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US12/708,332 Continuation US8742730B2 (en) 2007-09-04 2010-02-18 Charging circuit

Publications (1)

Publication Number Publication Date
WO2009031201A1 true WO2009031201A1 (ja) 2009-03-12

Family

ID=40428524

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2007/067189 WO2009031201A1 (ja) 2007-09-04 2007-09-04 充電回路

Country Status (3)

Country Link
US (1) US8742730B2 (ja)
JP (1) JP5056852B2 (ja)
WO (1) WO2009031201A1 (ja)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5576264B2 (ja) * 2010-12-28 2014-08-20 株式会社マキタ 充電装置

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09247868A (ja) * 1996-03-08 1997-09-19 Sony Corp 満充電検出方法及びその装置
JP2005012931A (ja) * 2003-06-19 2005-01-13 Kyocera Corp 充電制御回路及び充電制御方法、電子機器
JP2005253128A (ja) * 2004-03-01 2005-09-15 Ricoh Co Ltd 電池接続検出回路

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5710506A (en) * 1995-02-07 1998-01-20 Benchmarq Microelectronics, Inc. Lead acid charger
TW535308B (en) * 2000-05-23 2003-06-01 Canon Kk Detecting method for detecting internal state of a rechargeable battery, detecting device for practicing said detecting method, and instrument provided with said
JP3612495B2 (ja) * 2001-05-07 2005-01-19 埼玉日本電気株式会社 電池残量レベル表示機能付き携帯通信端末
JP3905005B2 (ja) * 2002-09-18 2007-04-18 富士通株式会社 携帯型機器及び半導体集積回路装置
JP4435000B2 (ja) 2005-03-11 2010-03-17 セイコーエプソン株式会社 電池制御回路、該電池制御回路を備えた電子機器、充電制御プログラム、充電制御方法

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09247868A (ja) * 1996-03-08 1997-09-19 Sony Corp 満充電検出方法及びその装置
JP2005012931A (ja) * 2003-06-19 2005-01-13 Kyocera Corp 充電制御回路及び充電制御方法、電子機器
JP2005253128A (ja) * 2004-03-01 2005-09-15 Ricoh Co Ltd 電池接続検出回路

Also Published As

Publication number Publication date
US8742730B2 (en) 2014-06-03
US20100141218A1 (en) 2010-06-10
JP5056852B2 (ja) 2012-10-24
JPWO2009031201A1 (ja) 2010-12-09

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