JP6799269B2 - 二次電池保護回路及び電池パック - Google Patents

二次電池保護回路及び電池パック Download PDF

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Publication number
JP6799269B2
JP6799269B2 JP2018227763A JP2018227763A JP6799269B2 JP 6799269 B2 JP6799269 B2 JP 6799269B2 JP 2018227763 A JP2018227763 A JP 2018227763A JP 2018227763 A JP2018227763 A JP 2018227763A JP 6799269 B2 JP6799269 B2 JP 6799269B2
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JP
Japan
Prior art keywords
terminal
protection
secondary battery
switch circuit
circuit
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.)
Active
Application number
JP2018227763A
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English (en)
Japanese (ja)
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JP2020092508A (ja
Inventor
山口　剛史
剛史 山口
芳裕 元市
芳裕 元市
順司 竹下
順司 竹下
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.)
Mitsumi Electric Co Ltd
Original Assignee
Mitsumi Electric 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 Mitsumi Electric Co Ltd filed Critical Mitsumi Electric Co Ltd
Priority to JP2018227763A priority Critical patent/JP6799269B2/ja
Priority to KR1020190142747A priority patent/KR102209457B1/ko
Priority to CN201911166939.4A priority patent/CN111276943B/zh
Priority to CN202210489503.4A priority patent/CN114696298A/zh
Priority to TW108143216A priority patent/TWI715314B/zh
Priority to US16/701,362 priority patent/US11018515B2/en
Publication of JP2020092508A publication Critical patent/JP2020092508A/ja
Priority to JP2020187997A priority patent/JP7235987B2/ja
Application granted granted Critical
Publication of JP6799269B2 publication Critical patent/JP6799269B2/ja
Priority to US17/326,403 priority patent/US11462921B2/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • H02J7/0029—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
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
    • H02H7/18—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for batteries; for accumulators
    • 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
    • H02J7/00304—Overcurrent 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
    • H02J7/00306—Overdischarge protection
    • H02J7/585—
    • H02J7/60—
    • H02J7/62—
    • H02J7/63—
    • H02J7/663—
    • 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)
  • Power Engineering (AREA)
  • Protection Of Static Devices (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
  • Secondary Cells (AREA)
  • Direct Current Feeding And Distribution (AREA)
JP2018227763A 2018-12-05 2018-12-05 二次電池保護回路及び電池パック Active JP6799269B2 (ja)

Priority Applications (8)

Application Number Priority Date Filing Date Title
JP2018227763A JP6799269B2 (ja) 2018-12-05 2018-12-05 二次電池保護回路及び電池パック
KR1020190142747A KR102209457B1 (ko) 2018-12-05 2019-11-08 이차전지 보호 회로 및 전지 팩
CN202210489503.4A CN114696298A (zh) 2018-12-05 2019-11-25 二次电池保护电路以及电池组
CN201911166939.4A CN111276943B (zh) 2018-12-05 2019-11-25 二次电池保护电路以及电池组
TW108143216A TWI715314B (zh) 2018-12-05 2019-11-27 二次電池保護電路以及電池組
US16/701,362 US11018515B2 (en) 2018-12-05 2019-12-03 Secondary-battery protection circuit and battery pack
JP2020187997A JP7235987B2 (ja) 2018-12-05 2020-11-11 二次電池保護回路及び電池パック
US17/326,403 US11462921B2 (en) 2018-12-05 2021-05-21 Secondary-battery protection circuit and battery pack

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2018227763A JP6799269B2 (ja) 2018-12-05 2018-12-05 二次電池保護回路及び電池パック

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2020187997A Division JP7235987B2 (ja) 2018-12-05 2020-11-11 二次電池保護回路及び電池パック

Publications (2)

Publication Number Publication Date
JP2020092508A JP2020092508A (ja) 2020-06-11
JP6799269B2 true JP6799269B2 (ja) 2020-12-16

Family

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Family Applications (2)

Application Number Title Priority Date Filing Date
JP2018227763A Active JP6799269B2 (ja) 2018-12-05 2018-12-05 二次電池保護回路及び電池パック
JP2020187997A Active JP7235987B2 (ja) 2018-12-05 2020-11-11 二次電池保護回路及び電池パック

Family Applications After (1)

Application Number Title Priority Date Filing Date
JP2020187997A Active JP7235987B2 (ja) 2018-12-05 2020-11-11 二次電池保護回路及び電池パック

Country Status (5)

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US (2) US11018515B2 (enExample)
JP (2) JP6799269B2 (enExample)
KR (1) KR102209457B1 (enExample)
CN (2) CN114696298A (enExample)
TW (1) TWI715314B (enExample)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6799269B2 (ja) * 2018-12-05 2020-12-16 ミツミ電機株式会社 二次電池保護回路及び電池パック
CN113892221A (zh) * 2019-06-27 2022-01-04 三洋电机株式会社 电池组以及其异常监视方法
US12206267B2 (en) * 2021-08-12 2025-01-21 Ming Tang Battery protection device and chip for protecting battery including a select circuit to select a voltage for a gate control signal
CN115811104A (zh) * 2021-09-14 2023-03-17 艾普凌科株式会社 单元平衡电路与装置、充放电控制电路与装置及电池装置
GB2639015A (en) * 2024-03-07 2025-09-10 Dyson Operations Pte Ltd Battery Protection

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Also Published As

Publication number Publication date
JP2021036764A (ja) 2021-03-04
US11462921B2 (en) 2022-10-04
KR102209457B1 (ko) 2021-01-29
CN114696298A (zh) 2022-07-01
CN111276943B (zh) 2022-04-22
TWI715314B (zh) 2021-01-01
KR20200068570A (ko) 2020-06-15
US20210273463A1 (en) 2021-09-02
TW202023139A (zh) 2020-06-16
US20200185937A1 (en) 2020-06-11
JP2020092508A (ja) 2020-06-11
JP7235987B2 (ja) 2023-03-09
US11018515B2 (en) 2021-05-25
CN111276943A (zh) 2020-06-12

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