GB2331639B - Battery charging circuit and battery charging device - Google Patents

Battery charging circuit and battery charging device

Info

Publication number
GB2331639B
GB2331639B GB9825419A GB9825419A GB2331639B GB 2331639 B GB2331639 B GB 2331639B GB 9825419 A GB9825419 A GB 9825419A GB 9825419 A GB9825419 A GB 9825419A GB 2331639 B GB2331639 B GB 2331639B
Authority
GB
United Kingdom
Prior art keywords
battery charging
charging device
charging circuit
circuit
battery
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
GB9825419A
Other versions
GB2331639A (en
GB9825419D0 (en
Inventor
Ichiro Yokomizo
Eiji Nakagawa
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.)
Rohm Co Ltd
Original Assignee
Rohm 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 Rohm Co Ltd filed Critical Rohm Co Ltd
Publication of GB9825419D0 publication Critical patent/GB9825419D0/en
Publication of GB2331639A publication Critical patent/GB2331639A/en
Application granted granted Critical
Publication of GB2331639B publication Critical patent/GB2331639B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
    • G01R19/0092—Arrangements for measuring currents or voltages or for indicating presence or sign thereof measuring current only
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
GB9825419A 1997-11-25 1998-11-19 Battery charging circuit and battery charging device Expired - Fee Related GB2331639B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP33942097A JP3180188B2 (en) 1997-11-25 1997-11-25 Battery charging circuit and battery charger

Publications (3)

Publication Number Publication Date
GB9825419D0 GB9825419D0 (en) 1999-01-13
GB2331639A GB2331639A (en) 1999-05-26
GB2331639B true GB2331639B (en) 2001-10-10

Family

ID=18327310

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9825419A Expired - Fee Related GB2331639B (en) 1997-11-25 1998-11-19 Battery charging circuit and battery charging device

Country Status (3)

Country Link
JP (1) JP3180188B2 (en)
CN (1) CN1089959C (en)
GB (1) GB2331639B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1797443B1 (en) * 2004-09-29 2016-11-16 Nxp B.V. Charging method and circuit using indirect current sensing
US7598710B2 (en) * 2006-12-08 2009-10-06 Monolithic Power Systems, Inc. Battery charger with temperature control
CN103475317A (en) * 2013-09-10 2013-12-25 昆山奥德鲁自动化技术有限公司 Negative feedback amplifying circuit

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0346970A1 (en) * 1988-06-14 1989-12-20 Koninklijke Philips Electronics N.V. Circuit for measuring capacity of battery
EP0516130A2 (en) * 1991-05-29 1992-12-02 Fujitsu Limited Circuit for measuring battery current

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0346970A1 (en) * 1988-06-14 1989-12-20 Koninklijke Philips Electronics N.V. Circuit for measuring capacity of battery
EP0516130A2 (en) * 1991-05-29 1992-12-02 Fujitsu Limited Circuit for measuring battery current

Also Published As

Publication number Publication date
GB2331639A (en) 1999-05-26
JP3180188B2 (en) 2001-06-25
CN1218322A (en) 1999-06-02
CN1089959C (en) 2002-08-28
GB9825419D0 (en) 1999-01-13
JPH11164492A (en) 1999-06-18

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20121119