HK1066636A1 - Voltage mode, high accuracy battery charging system and method - Google Patents

Voltage mode, high accuracy battery charging system and method

Info

Publication number
HK1066636A1
HK1066636A1 HK04109565A HK04109565A HK1066636A1 HK 1066636 A1 HK1066636 A1 HK 1066636A1 HK 04109565 A HK04109565 A HK 04109565A HK 04109565 A HK04109565 A HK 04109565A HK 1066636 A1 HK1066636 A1 HK 1066636A1
Authority
HK
Hong Kong
Prior art keywords
high accuracy
charging system
battery charging
voltage mode
accuracy battery
Prior art date
Application number
HK04109565A
Other languages
English (en)
Inventor
Constantin Bucur
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=26978762&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=HK1066636(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by O2Micro Inc filed Critical O2Micro Inc
Publication of HK1066636A1 publication Critical patent/HK1066636A1/xx

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
    • H02J7/0068—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
    • H02J7/02—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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
  • Dc-Dc Converters (AREA)
  • Secondary Cells (AREA)
HK04109565A 2001-08-17 2004-12-02 Voltage mode, high accuracy battery charging system and method HK1066636A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US31326001P 2001-08-17 2001-08-17
US09/948,828 US6498461B1 (en) 2001-08-17 2001-09-07 Voltage mode, high accuracy battery charger
PCT/US2002/026333 WO2003017413A1 (en) 2001-08-17 2002-08-19 Voltage mode, high accuracy battery charger

Publications (1)

Publication Number Publication Date
HK1066636A1 true HK1066636A1 (en) 2005-03-24

Family

ID=26978762

Family Applications (1)

Application Number Title Priority Date Filing Date
HK04109565A HK1066636A1 (en) 2001-08-17 2004-12-02 Voltage mode, high accuracy battery charging system and method

Country Status (6)

Country Link
US (3) US6498461B1 (xx)
JP (1) JP3893128B2 (xx)
CN (1) CN1248396C (xx)
HK (1) HK1066636A1 (xx)
TW (1) TW575994B (xx)
WO (1) WO2003017413A1 (xx)

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US20040145348A1 (en) * 2000-09-21 2004-07-29 Constantin Bucur Power management topologies
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US7202634B2 (en) * 2001-08-17 2007-04-10 O2Micro International Limited Voltage mode, high accuracy battery charger
US6498461B1 (en) * 2001-08-17 2002-12-24 O2 Micro International Limited Voltage mode, high accuracy battery charger
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US7203048B2 (en) * 2002-10-24 2007-04-10 02Micro International Limited DC to DC controller with inrush current protection
US6879134B2 (en) * 2003-02-11 2005-04-12 O2Micro International Limited Selector circuit for power management in multiple battery systems
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US7719236B2 (en) * 2005-02-18 2010-05-18 O2Micro International Limited Parallel powering of portable electrical devices
US20110121653A1 (en) * 2005-02-18 2011-05-26 O2Micro International Limited Parallel powering of portable electrical devices
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US7095217B1 (en) 2005-03-31 2006-08-22 O2Micro International Limited Method circuitry and electronic device for controlling a variable output dc power source
US7268520B2 (en) * 2005-04-08 2007-09-11 O2Micro International Limited Sense amplifier for use with wake-up charging current
US7592777B2 (en) * 2005-04-15 2009-09-22 O2Micro International Limited Current mode battery charger controller
TWI278162B (en) * 2005-05-24 2007-04-01 Compal Electronics Inc Power management device and method for an electronic device
CN1881739B (zh) * 2005-06-17 2011-01-05 鸿富锦精密工业（深圳）有限公司 充电模式控制电路及方法
CN1881738B (zh) * 2005-06-17 2011-06-22 鸿富锦精密工业（深圳）有限公司 充电模式控制电路及方法
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US7535195B1 (en) 2005-08-25 2009-05-19 National Semiconductor Corporation Battery charger that employs current sharing to simultaneously power an application and charge a battery
CN1933280B (zh) * 2005-09-16 2010-05-05 鸿富锦精密工业（深圳）有限公司 充电模式控制方法及电路
US7375491B2 (en) * 2005-12-16 2008-05-20 Sunjett Corporation Battery charge circuit with multi-charge stage and method thereof
US20070139009A1 (en) * 2005-12-16 2007-06-21 Sheng-Chan Lin Battery charge circuit with multi-charge stage and method thereof
US7595607B2 (en) * 2005-12-20 2009-09-29 General Electric Company Battery charging system and methods
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US7880445B2 (en) 2006-02-16 2011-02-01 Summit Microelectronics, Inc. System and method of charging a battery using a switching regulator
TWI332302B (en) * 2006-02-16 2010-10-21 O2Micro Int Ltd Variable wake up level current circuit, variable wake up current circuit, and battery charging apparatus
US7528574B1 (en) 2006-02-16 2009-05-05 Summit Microelectronics, Inc. Systems and methods of programming voltage and current in a battery charger
US7834591B2 (en) * 2006-02-16 2010-11-16 Summit Microelectronics, Inc. Switching battery charging systems and methods
JP5567249B2 (ja) 2006-05-23 2014-08-06 株式会社リコー 蓄電装置、及び画像形成装置
TWI323064B (en) * 2006-09-01 2010-04-01 Compal Electronics Inc Power supplying system with remote-controlling circuit and method for operating a power supplying system
EP1978621A1 (en) * 2007-04-05 2008-10-08 Ferm B.V. Universal charging device and method of charging a battery
WO2010117498A2 (en) * 2009-03-30 2010-10-14 Sendyne Corp. Battery cell protection and conditioning circuit and system
JP5593849B2 (ja) 2009-06-12 2014-09-24 日産自動車株式会社 組電池の監視装置
US8729856B2 (en) 2011-02-23 2014-05-20 Lear Corporation Thermal wall plug sensing and control
CN102891521B (zh) * 2011-07-18 2016-01-20 富泰华工业（深圳）有限公司 蓄电池充电电路
CN103064024A (zh) * 2011-10-18 2013-04-24 立锜科技股份有限公司 电池电量估计装置
US9991821B2 (en) 2012-08-17 2018-06-05 Advanced Charging Technologies, LLC Transformerless multiple output capable power supply system
US9153914B2 (en) 2012-08-17 2015-10-06 Advanced Charging Technologies, LLC Power device having multiple modes of operation
AU2012216284B1 (en) * 2012-08-17 2014-02-20 Advanced Charging Technologies, LLC Power device
US9520799B2 (en) 2012-08-17 2016-12-13 Advanced Charging Technologies, LLC Power device
DE102012223484A1 (de) * 2012-12-18 2014-06-18 Robert Bosch Gmbh Batterie und Verfahren zur Regelung einer Batteriespannung durch pulsweitenmodulierte Signale
TWI464414B (zh) * 2013-05-17 2014-12-11 Feeling Technology Corp 輕載電流偵測系統
TWI560982B (en) * 2015-07-20 2016-12-01 Asustek Comp Inc Power supply module and power supply method using the same
CN113263945B (zh) * 2016-08-23 2023-08-18 柏思科技有限公司 用于向具有电流测量值的多个负载供电的方法和系统
CN107394856B (zh) * 2017-08-31 2024-01-30 旋智电子科技（上海）有限公司 一种并行电池充电电路及其充电方法
CN110677041B (zh) * 2018-07-03 2022-03-18 株式会社村田制作所 直流变换器的控制方法和控制装置
CN109004718B (zh) * 2018-08-27 2021-11-19 上海智浦欣微电子有限公司 移动电源充电控制方法
CN114938136B (zh) * 2022-07-19 2022-11-01 伏达半导体(合肥)有限公司 功率调节装置、双电池充电装置及充电电流调节方法

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US6396716B1 (en) * 2001-09-20 2002-05-28 The University Of Hong Kong Apparatus for improving stability and dynamic response of half-bridge converter

Also Published As

Publication number Publication date
US6498461B1 (en) 2002-12-24
US6611129B2 (en) 2003-08-26
US20030094925A1 (en) 2003-05-22
WO2003017413A1 (en) 2003-02-27
US20040012375A1 (en) 2004-01-22
TW575994B (en) 2004-02-11
JP2005500791A (ja) 2005-01-06
US6861823B2 (en) 2005-03-01
JP3893128B2 (ja) 2007-03-14
CN1248396C (zh) 2006-03-29
CN1509504A (zh) 2004-06-30

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Legal Events

Date Code Title Description
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)

Effective date: 20170819