JP2011055658A - バッテリ状態監視回路及びバッテリ装置 - Google Patents
バッテリ状態監視回路及びバッテリ装置 Download PDFInfo
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- JP2011055658A JP2011055658A JP2009203137A JP2009203137A JP2011055658A JP 2011055658 A JP2011055658 A JP 2011055658A JP 2009203137 A JP2009203137 A JP 2009203137A JP 2009203137 A JP2009203137 A JP 2009203137A JP 2011055658 A JP2011055658 A JP 2011055658A
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- voltage
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- secondary battery
- battery
- charge
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
- G01R31/382—Arrangements for monitoring battery or accumulator variables, e.g. SoC
- G01R31/3835—Arrangements for monitoring battery or accumulator variables, e.g. SoC involving only voltage measurements
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- 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
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- 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
-
- 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
- H02J7/0047—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with monitoring or indicating devices or circuits
-
- 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
-
- 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
Abstract
【解決手段】二次電池の0V付近の電圧を検出する電圧検出回路を構成するPMOSトランジスタ16とNMOSトランジスタ17のゲート電圧を、二次電池の両端に接続した分圧抵抗回路23によって与えるような構成とした。
【選択図】図1
Description
3 スイッチ回路
7 充電スイッチ駆動回路
8 充電器
15 レベルシフト回路
23 分圧抵抗回路
Claims (2)
- 二次電池の両端に接続され、前記二次電池の電圧を監視する充放電制御回路と、
前記充放電制御回路の出力信号を充電スイッチに出力する充電スイッチ制御回路と、を備え、前記二次電池の充放電を制御するバッテリ状態監視回路であって、
前記充電スイッチ制御回路は、前記バッテリ状態監視回路の外部端子の電圧で動作し、
前記充放電制御回路の出力信号を前記外部端子の電圧に変換するレベルシフト回路と、
前記二次電池の両端に接続され、分圧電圧を発生する分圧抵抗回路と、
前記分圧電圧が入力され0V充電の電圧を検出する電圧検出回路と、
前記レベルシフト回路と前記電圧検出回路との出力電圧を入力され、前記充電スイッチを制御する出力回路と、を備えたことを特徴とするバッテリ状態監視回路。 - 充放電が可能な二次電池と、
前記二次電池と外部端子の間に設けられて、前記二次電池の充放電を制御するスイッチ回路と、
前記二次電池の両端の電圧を監視する請求項1に記載のバッテリ状態監視回路と、を備えたことを特徴とするバッテリ装置。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2009203137A JP5379612B2 (ja) | 2009-09-02 | 2009-09-02 | バッテリ状態監視回路及びバッテリ装置 |
KR1020100082803A KR101457251B1 (ko) | 2009-09-02 | 2010-08-26 | 배터리 상태 감시 회로 및 배터리 장치 |
TW099128639A TWI463761B (zh) | 2009-09-02 | 2010-08-26 | Battery status monitoring circuit and battery device |
CN201010274130.6A CN102005788B (zh) | 2009-09-02 | 2010-09-01 | 电池状态监视电路以及电池装置 |
US12/874,027 US8384355B2 (en) | 2009-09-02 | 2010-09-01 | Battery state monitoring circuit and battery device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2009203137A JP5379612B2 (ja) | 2009-09-02 | 2009-09-02 | バッテリ状態監視回路及びバッテリ装置 |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2011055658A true JP2011055658A (ja) | 2011-03-17 |
JP2011055658A5 JP2011055658A5 (ja) | 2012-08-30 |
JP5379612B2 JP5379612B2 (ja) | 2013-12-25 |
Family
ID=43623871
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2009203137A Active JP5379612B2 (ja) | 2009-09-02 | 2009-09-02 | バッテリ状態監視回路及びバッテリ装置 |
Country Status (5)
Country | Link |
---|---|
US (1) | US8384355B2 (ja) |
JP (1) | JP5379612B2 (ja) |
KR (1) | KR101457251B1 (ja) |
CN (1) | CN102005788B (ja) |
TW (1) | TWI463761B (ja) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101182890B1 (ko) * | 2010-12-01 | 2012-09-13 | 삼성에스디아이 주식회사 | 배터리 팩 충전 제어 시스템 |
JP6084056B2 (ja) * | 2013-02-06 | 2017-02-22 | エスアイアイ・セミコンダクタ株式会社 | 充放電制御回路及びバッテリ装置 |
CN108562826A (zh) * | 2018-02-23 | 2018-09-21 | 香港达谊集团有限公司 | 电池充电器检测电路 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003035732A (ja) * | 2001-07-19 | 2003-02-07 | Shibasoku:Kk | 微少容量測定方法及び微少容量測定回路 |
JP2003174720A (ja) * | 2001-09-28 | 2003-06-20 | Mitsumi Electric Co Ltd | 二次電池の保護回路及び保護回路用ic |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3581428B2 (ja) * | 1995-04-28 | 2004-10-27 | セイコーインスツルメンツ株式会社 | 充電式電源装置 |
JP3383607B2 (ja) * | 1999-04-08 | 2003-03-04 | セイコーインスツルメンツ株式会社 | バッテリー状態監視回路、バッテリー装置、及び電子機器 |
JP2000308266A (ja) | 1999-04-14 | 2000-11-02 | Seiko Instruments Inc | 充電スイッチ制御回路 |
JP2001224138A (ja) * | 2000-02-07 | 2001-08-17 | Hitachi Ltd | 蓄電装置及び蓄電器の電圧検出方法 |
US6479962B2 (en) * | 2001-03-16 | 2002-11-12 | Hewlett-Packard Company | In-device charging system and method for multi-chemistry battery systems |
JP4555502B2 (ja) * | 2001-04-24 | 2010-10-06 | セイコーインスツル株式会社 | バッテリー状態監視回路およびバッテリー装置 |
CN2694587Y (zh) * | 2003-09-09 | 2005-04-20 | 李知非 | 电池控制保护集成电路 |
JP4965855B2 (ja) * | 2005-12-19 | 2012-07-04 | セイコーインスツル株式会社 | バッテリー状態監視回路及びバッテリー装置 |
-
2009
- 2009-09-02 JP JP2009203137A patent/JP5379612B2/ja active Active
-
2010
- 2010-08-26 TW TW099128639A patent/TWI463761B/zh active
- 2010-08-26 KR KR1020100082803A patent/KR101457251B1/ko active IP Right Grant
- 2010-09-01 CN CN201010274130.6A patent/CN102005788B/zh active Active
- 2010-09-01 US US12/874,027 patent/US8384355B2/en active Active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003035732A (ja) * | 2001-07-19 | 2003-02-07 | Shibasoku:Kk | 微少容量測定方法及び微少容量測定回路 |
JP2003174720A (ja) * | 2001-09-28 | 2003-06-20 | Mitsumi Electric Co Ltd | 二次電池の保護回路及び保護回路用ic |
Also Published As
Publication number | Publication date |
---|---|
TW201131933A (en) | 2011-09-16 |
US20110050176A1 (en) | 2011-03-03 |
KR101457251B1 (ko) | 2014-10-31 |
CN102005788A (zh) | 2011-04-06 |
US8384355B2 (en) | 2013-02-26 |
TWI463761B (zh) | 2014-12-01 |
JP5379612B2 (ja) | 2013-12-25 |
CN102005788B (zh) | 2014-10-29 |
KR20110025090A (ko) | 2011-03-09 |
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