JP2009254008A - 充放電制御回路及びバッテリ装置 - Google Patents
充放電制御回路及びバッテリ装置 Download PDFInfo
- Publication number
- JP2009254008A JP2009254008A JP2008094885A JP2008094885A JP2009254008A JP 2009254008 A JP2009254008 A JP 2009254008A JP 2008094885 A JP2008094885 A JP 2008094885A JP 2008094885 A JP2008094885 A JP 2008094885A JP 2009254008 A JP2009254008 A JP 2009254008A
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- JP
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- Prior art keywords
- battery
- voltage
- charge
- circuit
- terminal
- 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.)
- Granted
Links
- 238000001514 detection method Methods 0.000 claims abstract description 78
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 239000003990 capacitor Substances 0.000 description 6
- 238000007599 discharging Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 230000003071 parasitic effect Effects 0.000 description 4
Images
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
- H02J7/0016—Circuits for equalisation of charge between batteries using shunting, discharge or bypass 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
- H01M10/44—Methods for charging or discharging
- H01M10/441—Methods for charging or discharging for several batteries or cells simultaneously or sequentially
-
- 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
- H02J7/00302—Overcharge protection
-
- 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
-
- 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
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Secondary Cells (AREA)
Abstract
【解決手段】充放電制御回路10の大量生産時の製造ばらつきにより、ある充放電制御回路の過充電検出電圧がセルバランス(CB)時期検出電圧よりも低くなっても、CB時期の検出が各バッテリの充電の停止よりも先に行われる。つまり、CB制御の後、各バッテリの充電が停止する。よって、各バッテリの充電不足をより防止できる。
【選択図】図2
Description
102……CB時期検出コンパレータ 103……過放電検出コンパレータ
104……AND回路 105〜106……OR回路
107……論理回路 DO、CO、CCB、CDO、CCO、CT……制御端子
VDD……電源端子 VSS……接地端子
101a〜103a……分圧回路 101b〜103b……基準電圧回路
Claims (2)
- バッテリの充放電を制御する充放電制御回路において、
前記バッテリの過充電状態を検出する過充電検出回路と、
前記バッテリの充電速度を遅く制御するセルバランス制御を行うセルバランス時期を検出するセルバランス時期検出回路と、
前記セルバランス時期が検出されている時に前記バッテリの過充電状態が検出されると、前記バッテリの充電が停止するように、前記バッテリの充電経路に設けられる充電停止用スイッチをオフに制御する制御回路と、
を備えることを特徴とする充放電制御回路。 - 複数のバッテリ、及び、複数の前記バッテリの充放電をそれぞれ制御する複数の充放電制御回路を備えるバッテリ装置において、
前記バッテリの過充電状態を検出する過充電検出回路と、
セルバランス制御用スイッチをオンさせて前記バッテリを放電させることによって前記バッテリの充電速度を遅く制御するセルバランス制御を行うセルバランス時期を検出するセルバランス時期検出回路と、
前記セルバランス時期が検出されている時に前記バッテリの過充電状態が検出されると、充電停止用スイッチがオフして前記バッテリの充電が停止するように、前記充電停止用スイッチをオフに制御する制御回路と、を有する複数の前記充放電制御回路と、
さらに、
複数の前記バッテリと、
前記バッテリに並列接続する複数の前記セルバランス制御用スイッチと、
前記バッテリの充電経路に設けられる前記充電停止用スイッチと、
を備えることを特徴とするバッテリ装置。
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008094885A JP4965496B2 (ja) | 2008-04-01 | 2008-04-01 | 充放電制御回路及びバッテリ装置 |
TW098108938A TW201001872A (en) | 2008-04-01 | 2009-03-19 | Charge and discharge control circuit and battery device |
KR1020090025894A KR101442855B1 (ko) | 2008-04-01 | 2009-03-26 | 충방전 제어 회로 및 배터리 장치 |
CN200910133469.1A CN101692582B (zh) | 2008-04-01 | 2009-03-30 | 充放电控制电路及电池装置 |
US12/415,093 US20090243543A1 (en) | 2008-04-01 | 2009-03-31 | Charge and discharge control circuit and battery device |
HK10109267.5A HK1143007A1 (en) | 2008-04-01 | 2010-09-28 | Charge and discharge control circuit and battery device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008094885A JP4965496B2 (ja) | 2008-04-01 | 2008-04-01 | 充放電制御回路及びバッテリ装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2009254008A true JP2009254008A (ja) | 2009-10-29 |
JP4965496B2 JP4965496B2 (ja) | 2012-07-04 |
Family
ID=41116082
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2008094885A Active JP4965496B2 (ja) | 2008-04-01 | 2008-04-01 | 充放電制御回路及びバッテリ装置 |
Country Status (6)
Country | Link |
---|---|
US (1) | US20090243543A1 (ja) |
JP (1) | JP4965496B2 (ja) |
KR (1) | KR101442855B1 (ja) |
CN (1) | CN101692582B (ja) |
HK (1) | HK1143007A1 (ja) |
TW (1) | TW201001872A (ja) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2011188681A (ja) * | 2010-03-10 | 2011-09-22 | Oki Semiconductor Co Ltd | 電源制御装置及び電源制御システム |
JP2013150440A (ja) * | 2012-01-19 | 2013-08-01 | Sumitomo Electric Ind Ltd | 充電装置および電源装置 |
JP2017085887A (ja) * | 2011-04-28 | 2017-05-18 | ゾール サーキュレイション インコーポレイテッドZOLL Circulation,Inc. | リチウム電力セルの制御のためのバッテリー管理システム |
JP2020516226A (ja) * | 2017-06-13 | 2020-05-28 | エルジー・ケム・リミテッド | バランシング抵抗を用いた過電圧の防止システム |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101042833B1 (ko) * | 2009-08-11 | 2011-06-20 | 삼성에스디아이 주식회사 | 셀 밸런싱 회로 및 이를 구비하는 이차전지 |
US9142868B2 (en) * | 2011-11-29 | 2015-09-22 | Seiko Instruments Inc. | Charge/discharge control circuit and battery device |
JP2013192394A (ja) * | 2012-03-14 | 2013-09-26 | Ricoh Co Ltd | 充電制御回路及び電池装置 |
EP2730994B1 (en) * | 2012-06-27 | 2016-10-12 | Huawei Device Co., Ltd. | Charging and discharging management device and mobile terminal |
US8901888B1 (en) | 2013-07-16 | 2014-12-02 | Christopher V. Beckman | Batteries for optimizing output and charge balance with adjustable, exportable and addressable characteristics |
KR101619268B1 (ko) * | 2015-03-20 | 2016-05-10 | 포항공과대학교 산학협력단 | 배터리셀의 밸런싱 방법 |
US11539221B2 (en) * | 2019-06-11 | 2022-12-27 | Ablic Inc. | Charge-discharge control circuit including cell balancing circuits, cell balance detection circuits, overcharge detection circuits, and a control circuit |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH11234916A (ja) * | 1998-02-16 | 1999-08-27 | Rohm Co Ltd | リチウムイオン電池パック |
JP2004088878A (ja) * | 2002-08-26 | 2004-03-18 | Fdk Corp | 集合電池保護回路 |
WO2007119682A1 (ja) * | 2006-04-13 | 2007-10-25 | Panasonic Corporation | 電池パックおよびその断線検知方法 |
WO2007145464A1 (en) * | 2006-06-15 | 2007-12-21 | Sk Energy Co., Ltd. | Charge equalization apparatus and method |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1165103C (zh) * | 2002-01-07 | 2004-09-01 | 北京航空航天大学 | 一种串联电池组自动均衡充电装置 |
US6775922B2 (en) * | 2002-11-07 | 2004-08-17 | Wahl Clipper Corporation | Hair dryer and attachment system |
CN2722489Y (zh) * | 2004-07-07 | 2005-08-31 | 青岛市家用电器研究所 | 串联电池组自动均衡充电系统 |
-
2008
- 2008-04-01 JP JP2008094885A patent/JP4965496B2/ja active Active
-
2009
- 2009-03-19 TW TW098108938A patent/TW201001872A/zh unknown
- 2009-03-26 KR KR1020090025894A patent/KR101442855B1/ko active IP Right Grant
- 2009-03-30 CN CN200910133469.1A patent/CN101692582B/zh active Active
- 2009-03-31 US US12/415,093 patent/US20090243543A1/en not_active Abandoned
-
2010
- 2010-09-28 HK HK10109267.5A patent/HK1143007A1/xx unknown
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH11234916A (ja) * | 1998-02-16 | 1999-08-27 | Rohm Co Ltd | リチウムイオン電池パック |
JP2004088878A (ja) * | 2002-08-26 | 2004-03-18 | Fdk Corp | 集合電池保護回路 |
WO2007119682A1 (ja) * | 2006-04-13 | 2007-10-25 | Panasonic Corporation | 電池パックおよびその断線検知方法 |
WO2007145464A1 (en) * | 2006-06-15 | 2007-12-21 | Sk Energy Co., Ltd. | Charge equalization apparatus and method |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2011188681A (ja) * | 2010-03-10 | 2011-09-22 | Oki Semiconductor Co Ltd | 電源制御装置及び電源制御システム |
JP2017085887A (ja) * | 2011-04-28 | 2017-05-18 | ゾール サーキュレイション インコーポレイテッドZOLL Circulation,Inc. | リチウム電力セルの制御のためのバッテリー管理システム |
JP2013150440A (ja) * | 2012-01-19 | 2013-08-01 | Sumitomo Electric Ind Ltd | 充電装置および電源装置 |
JP2020516226A (ja) * | 2017-06-13 | 2020-05-28 | エルジー・ケム・リミテッド | バランシング抵抗を用いた過電圧の防止システム |
US11177683B2 (en) | 2017-06-13 | 2021-11-16 | Lg Chem, Ltd. | Overvoltage protection system using balancing resistor |
JP7045541B2 (ja) | 2017-06-13 | 2022-04-01 | エルジー エナジー ソリューション リミテッド | バランシング抵抗を用いた過電圧の防止システム |
Also Published As
Publication number | Publication date |
---|---|
US20090243543A1 (en) | 2009-10-01 |
CN101692582B (zh) | 2014-06-25 |
CN101692582A (zh) | 2010-04-07 |
TW201001872A (en) | 2010-01-01 |
KR101442855B1 (ko) | 2014-09-23 |
TWI377759B (ja) | 2012-11-21 |
JP4965496B2 (ja) | 2012-07-04 |
KR20090105827A (ko) | 2009-10-07 |
HK1143007A1 (en) | 2010-12-17 |
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