DE69330530D1 - Batterieschutzschaltungen - Google Patents

Batterieschutzschaltungen

Info

Publication number
DE69330530D1
DE69330530D1 DE69330530T DE69330530T DE69330530D1 DE 69330530 D1 DE69330530 D1 DE 69330530D1 DE 69330530 T DE69330530 T DE 69330530T DE 69330530 T DE69330530 T DE 69330530T DE 69330530 D1 DE69330530 D1 DE 69330530D1
Authority
DE
Germany
Prior art keywords
battery protection
protection circuits
circuits
battery
protection
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 - Lifetime
Application number
DE69330530T
Other languages
English (en)
Other versions
DE69330530T2 (de
Inventor
Yasuhito Eguchi
Hitoshi Okada
Kanji Murano
Akira Sanpei
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.)
Sony Corp
Original Assignee
Sony Corp
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
Priority claimed from JP27494792A external-priority patent/JP3277566B2/ja
Priority claimed from JP27494692A external-priority patent/JP3277565B2/ja
Application filed by Sony Corp filed Critical Sony Corp
Application granted granted Critical
Publication of DE69330530D1 publication Critical patent/DE69330530D1/de
Publication of DE69330530T2 publication Critical patent/DE69330530T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • H02J7/0029—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
    • H02J7/0013—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries acting upon several batteries 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
    • H02J7/0013—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
    • H02J7/0019—Circuits for equalisation of charge between batteries using switched or multiplexed charge circuits

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
  • Protection Of Static Devices (AREA)
DE69330530T 1992-09-17 1993-09-15 Batterieschutzschaltungen Expired - Lifetime DE69330530T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP27494792A JP3277566B2 (ja) 1992-09-17 1992-09-17 バッテリー保護回路
JP27494692A JP3277565B2 (ja) 1992-09-17 1992-09-17 バッテリー保護回路

Publications (2)

Publication Number Publication Date
DE69330530D1 true DE69330530D1 (de) 2001-09-06
DE69330530T2 DE69330530T2 (de) 2002-04-18

Family

ID=26551260

Family Applications (2)

Application Number Title Priority Date Filing Date
DE69330530T Expired - Lifetime DE69330530T2 (de) 1992-09-17 1993-09-15 Batterieschutzschaltungen
DE69319049T Expired - Lifetime DE69319049T2 (de) 1992-09-17 1993-09-15 Batterieschutzschaltungen

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE69319049T Expired - Lifetime DE69319049T2 (de) 1992-09-17 1993-09-15 Batterieschutzschaltungen

Country Status (4)

Country Link
US (1) US5530336A (de)
EP (2) EP0721247B1 (de)
KR (1) KR100316313B1 (de)
DE (2) DE69330530T2 (de)

Families Citing this family (115)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5742148A (en) * 1992-11-24 1998-04-21 Seiko Instruments Inc. Charge/discharge control circuit and chargeable electric power source apparatus
AU691507B2 (en) * 1993-09-17 1998-05-21 Nec Corporation Charging and discharging circuit for preventing overcharge and overdischarge of rechargable battery pack consisting of a plurality of rechargable batteries
JP3584502B2 (ja) * 1994-10-07 2004-11-04 ソニー株式会社 充電制御装置
US5568039A (en) * 1994-12-16 1996-10-22 Motorola, Inc. Apparatus and method of providing an initiation voltage to a rechargeable battery system
US5583415A (en) * 1994-12-27 1996-12-10 Motorola, Inc. Apparatus for simulating high battery temperature for rechargeble battery systems
US5569550A (en) * 1995-02-03 1996-10-29 Motorola, Inc. Battery pack having under-voltage and over-voltage protection
FR2731111B1 (fr) * 1995-02-23 1997-05-23 Texas Instruments France Dispositif de protection d'elements rechargeables et transistor mosfet equipant ce dispositif
CA2169706A1 (en) * 1995-03-03 1996-09-04 Troy Lynn Stockstad Circuit and method for battery charge control
US5635821A (en) * 1995-06-30 1997-06-03 National Semiconductor Corporation Low cell charge enable circuit
US5646503A (en) * 1995-10-04 1997-07-08 Motorola, Inc. Method for balancing power sources and structure therefor
US5637413A (en) * 1995-10-16 1997-06-10 Motorola, Inc. Overvoltage disconnect circuit for lithium ion batteries
JP3322542B2 (ja) * 1995-11-30 2002-09-09 三洋電機株式会社 充電回路
US5691622A (en) * 1995-12-26 1997-11-25 Motorola, Inc. Idle current cutoff circuit
JP3421519B2 (ja) * 1996-02-13 2003-06-30 三洋電機株式会社 過充電防止回路、過放電防止回路及び充放電制御回路
US5783930A (en) * 1996-02-16 1998-07-21 Black & Decker Inc. Self-oscillating buck mode battery charger
JP3439029B2 (ja) * 1996-02-29 2003-08-25 三洋電機株式会社 電池装置
US5695886A (en) * 1996-03-07 1997-12-09 Motorola, Inc. Overvoltage disconnect circuit and battery using same
JP3270327B2 (ja) * 1996-05-24 2002-04-02 セイコーインスツルメンツ株式会社 過充放電検出回路
JP3618472B2 (ja) * 1996-07-01 2005-02-09 富士通株式会社 電池ユニット及び電池ユニットを使用する装置
MY116134A (en) * 1996-08-29 2003-11-28 Rohm Co Ltd Power supply unit
JP3731951B2 (ja) * 1996-09-24 2006-01-05 ローム株式会社 リチウムイオン電池保護回路
JP3753492B2 (ja) * 1997-01-29 2006-03-08 ローム株式会社 電源監視ｉｃ及び電池パック
US5900716A (en) * 1997-03-03 1999-05-04 Northrop Grumman Corporation Balanced battery charger
JP3330517B2 (ja) * 1997-05-19 2002-09-30 富士通株式会社 保護回路及び電池ユニット
US6046514A (en) * 1997-07-25 2000-04-04 3M Innovative Properties Company Bypass apparatus and method for series connected energy storage devices
US5952815A (en) 1997-07-25 1999-09-14 Minnesota Mining & Manufacturing Co. Equalizer system and method for series connected energy storing devices
US6120930A (en) 1997-07-25 2000-09-19 3M Innovative Properties Corporation Rechargeable thin-film electrochemical generator
US6117584A (en) 1997-07-25 2000-09-12 3M Innovative Properties Company Thermal conductor for high-energy electrochemical cells
US6100702A (en) 1997-07-25 2000-08-08 3M Innovative Properties Company In-situ fault detection apparatus and method for an encased energy storing device
US6104967A (en) 1997-07-25 2000-08-15 3M Innovative Properties Company Fault-tolerant battery system employing intra-battery network architecture
US6099986A (en) 1997-07-25 2000-08-08 3M Innovative Properties Company In-situ short circuit protection system and method for high-energy electrochemical cells
US6087036A (en) 1997-07-25 2000-07-11 3M Innovative Properties Company Thermal management system and method for a solid-state energy storing device
US6146778A (en) 1997-07-25 2000-11-14 3M Innovative Properties Company Solid-state energy storage module employing integrated interconnect board
US5883495A (en) * 1997-07-31 1999-03-16 National Semiconductor Corporation Bidirectional current control circuit suitable for controlling the charging and discharging of rechargeable battery cells
US5898294A (en) * 1997-08-19 1999-04-27 Polystor Corporation Control loop for pulse charging lithium ion cells
US5894212A (en) * 1997-09-19 1999-04-13 Tarrytown Consulting, Inc. Discharge monitoring and isolating system for batteries
JP3767767B2 (ja) * 1997-11-28 2006-04-19 ソニー株式会社 充電制御方法及び充電制御装置
US6235425B1 (en) 1997-12-12 2001-05-22 3M Innovative Properties Company Apparatus and method for treating a cathode material provided on a thin-film substrate
US6157171A (en) * 1998-02-10 2000-12-05 National Semiconductor Corporation Voltage monitoring circuit for rechargeable battery
US5982148A (en) * 1998-06-22 1999-11-09 National Semiconductor Corporation Method and apparatus for monitoring the self discharge of a secondary battery upon completion of a charge cycle
JP3360613B2 (ja) * 1998-06-25 2002-12-24 トヨタ自動車株式会社 電池制御装置
US6313611B1 (en) * 1999-06-04 2001-11-06 Snap-On Technologies, Inc. Low power indication circuit for lead acid battery pack
JP3522162B2 (ja) * 1999-08-05 2004-04-26 セイコーインスツルメンツ株式会社 バッテリー装置
KR100342716B1 (ko) * 1999-12-18 2002-07-04 서평원 충전 중 배터리 게이징 장치
US6456042B1 (en) * 2000-11-27 2002-09-24 Delphi Technologies, Inc. Method and apparatus for charging batteries at reduced overcharge levels
JP2004524793A (ja) * 2001-03-30 2004-08-12 デザインライン・リミテッド バッテリー管理ユニット、システム、および方法
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
KR100431546B1 (ko) * 2001-09-21 2004-05-14 (주)에스피에스 휴대용 전자기기에 전원을 공급하는 외장형 배터리팩장치
CN100448135C (zh) * 2001-11-24 2008-12-31 艾默生网络能源有限公司 一种不间断电源电池电压的浮动截止方法
US6801016B2 (en) * 2001-12-21 2004-10-05 Wilson Greatbatch Technologies, Inc. Matching cells for a battery pack
DE10202603B4 (de) 2002-01-24 2012-08-30 Robert Bosch Gmbh Verfahren und Vorrichtung zur Verlangsamung des Entladungsprozesses eines Akkus
DE10206485B4 (de) * 2002-02-16 2007-06-21 Robert Bosch Gmbh Stromversorgungseinrichtung und Elektrogerät
TW583530B (en) * 2002-08-20 2004-04-11 Via Tech Inc Method of using N division operation to switch CPU work voltage
DE10256704B3 (de) 2002-12-04 2004-02-26 Siemens Ag Schaltungs für ein KFZ-Bordnetz und zugehöriges Betriebsverfahren
KR100675366B1 (ko) * 2002-12-30 2007-01-29 주식회사 네스캡 전기에너지 저장장치 및 이의 충방전 방법
JP2004319104A (ja) * 2003-04-11 2004-11-11 Seiko Instruments Inc 電池残量計算機能付電池パック
JP4204446B2 (ja) * 2003-11-14 2009-01-07 ソニー株式会社 バッテリパック、バッテリ保護処理装置、およびバッテリ保護処理装置の起動制御方法
JP4059838B2 (ja) * 2003-11-14 2008-03-12 ソニー株式会社 バッテリパック、バッテリ保護処理装置、およびバッテリ保護処理装置の制御方法
US6903533B1 (en) * 2003-12-16 2005-06-07 Motorola, Inc. Power fault battery protection circuit
EP1668760A2 (de) * 2004-05-04 2006-06-14 02Micro, Inc. Schnurloses elektrowerkzeug mit werkzeugidentifikationsschaltkreisen
KR100601556B1 (ko) * 2004-09-07 2006-07-19 삼성에스디아이 주식회사 이차 전지팩용 보호회로
JP4744859B2 (ja) * 2004-12-13 2011-08-10 パナソニック株式会社 電池パック
US7436151B2 (en) * 2004-12-23 2008-10-14 Dell Products L.P. Systems and methods for detecting charge switching element failure in a battery system
US7518341B2 (en) * 2004-12-23 2009-04-14 Dell Product L.P. Method for verifying smart battery failures by measuring input charging voltage and associated systems
KR100722527B1 (ko) * 2005-01-19 2007-05-28 (주)화이텍 휴대용 배터리팩의 제어회로
KR100736079B1 (ko) * 2005-09-07 2007-07-06 삼성전자주식회사 휴대용 기기의 전원 관리 장치 및 방법
KR100772988B1 (ko) * 2005-09-15 2007-11-02 (주)대림코리아 휴대용 자가발전기
JP4241714B2 (ja) 2005-11-17 2009-03-18 パナソニック電工株式会社 電動工具用の電池パック
US7629769B2 (en) * 2006-03-10 2009-12-08 Atmel Corporation Power surge filtering in over-current and short circuit protection
KR100756012B1 (ko) * 2006-05-18 2007-09-07 주식회사 이랜텍 배터리 팩 보호회로모듈 조립장치 및 방법
JP5020546B2 (ja) * 2006-06-01 2012-09-05 株式会社リコー 充放電保護回路、該充放電保護回路を組み込んだバッテリーパック、該バッテリーパックを用いた電子機器、携帯ゲーム機
KR100863956B1 (ko) * 2006-09-26 2008-10-16 삼성에스디아이 주식회사 배터리 관리 시스템 및 그 구동방법
US20080086246A1 (en) * 2006-10-04 2008-04-10 Scott Bolt Portable vehicle powering and testing systems
JP4911430B2 (ja) * 2007-01-29 2012-04-04 日立工機株式会社 充電装置
KR100904160B1 (ko) * 2007-09-05 2009-06-22 주식회사 다산네트웍스 통신시스템의 배터리 보호 장치
US7830120B2 (en) * 2007-09-18 2010-11-09 Nexergy, Inc. Low side N-channel FET protection circuit
TWI351779B (en) * 2007-12-03 2011-11-01 Advance Smart Ind Ltd Apparatus and method for correcting residual capac
CN101471577B (zh) * 2007-12-29 2011-06-15 比亚迪股份有限公司 双节可充电电池电压平衡电路
DE102008027428B4 (de) * 2008-06-09 2021-08-12 Texas Instruments Deutschland Gmbh Integrierte Batterieladegerät-Schutzschaltung
JP5815195B2 (ja) * 2008-09-11 2015-11-17 ミツミ電機株式会社 電池状態検知装置及びそれを内蔵する電池パック
US8524385B2 (en) * 2008-10-10 2013-09-03 Mitsumi Electric Co., Ltd. Battery pack
US8890482B2 (en) 2009-01-14 2014-11-18 Mitsumi Electric Co., Ltd. Protection monitoring circuit and battery pack
CN101800418A (zh) * 2009-02-05 2010-08-11 三星Sdi株式会社 用于电池包的保护电路以及包括该保护电路的电池包
JP5631549B2 (ja) * 2009-02-13 2014-11-26 セイコーインスツル株式会社 バッテリーの保護回路装置
JP5355224B2 (ja) * 2009-05-28 2013-11-27 矢崎総業株式会社 複数組電池の電圧監視装置
JP5461221B2 (ja) 2010-02-12 2014-04-02 株式会社マキタ 複数のバッテリパックを電源とする電動工具
JP5432761B2 (ja) * 2010-02-12 2014-03-05 株式会社マキタ 複数のバッテリパックを電源とする電動工具
US8886152B2 (en) 2010-09-29 2014-11-11 Qualcomm Incorporated Emergency override of battery discharge protection
JP5747491B2 (ja) * 2010-12-08 2015-07-15 ソニー株式会社 蓄電システム、電動車両および電力システム
CN102545162B (zh) * 2010-12-09 2014-06-04 无锡华润上华半导体有限公司 锂电池保护电路
JP5851821B2 (ja) * 2011-03-13 2016-02-03 セイコーインスツル株式会社 充放電制御回路及びバッテリ装置
JP5333619B2 (ja) * 2011-03-30 2013-11-06 株式会社デンソー 電圧検出装置および結合回路
JP5839908B2 (ja) * 2011-09-21 2016-01-06 ラピスセミコンダクタ株式会社 半導体回路、電池監視システム、制御プログラム、及び制御方法
WO2013121074A1 (en) 2012-02-14 2013-08-22 Nokia Corporation Method and circuitry for battery protection
JP5910172B2 (ja) * 2012-03-01 2016-04-27 株式会社Ｇｓユアサ スイッチ故障診断装置、電池パックおよびスイッチ故障診断プログラム、スイッチ故障診断方法
US10003062B2 (en) 2012-09-14 2018-06-19 Lenovo Enterprise Solutions (Singapore) Pte. Ltd. Modular battery cover
WO2014075630A1 (en) * 2012-11-19 2014-05-22 Shenzhen Byd Auto R & D Company Limited Protective device and protective system for battery assembly
FR2999354A1 (fr) 2012-12-12 2014-06-13 Oreal Circuit electrique comportant un composant du coupure dudit circuit, et dispositif comportant un tel circuit electrique
TWI489735B (zh) * 2013-02-04 2015-06-21 Hon Hai Prec Ind Co Ltd 電子設備
US9583792B2 (en) 2014-06-11 2017-02-28 Lenovo Enterprise Solutions (Singapore) Pte. Ltd. Dynamically configurable auto-healing battery
US9438048B2 (en) 2014-06-20 2016-09-06 Lenovo Enterprise Solutions (Singapore) Pte. Ltd. Modular battery cell architecture and control method
US20160093921A1 (en) * 2014-09-25 2016-03-31 Apple Inc. Cell voltage sensing for rechargeable battery packs
KR20160064734A (ko) * 2014-11-28 2016-06-08 삼성전자주식회사 충전 제어 방법 및 그 방법을 처리하는 전자장치
US10090688B2 (en) * 2015-01-13 2018-10-02 Intersil Americas LLC Overcurrent protection in a battery charger
US9557387B2 (en) 2015-02-10 2017-01-31 Lenovo Enterprise Solutions (Singapore) Pte. Ltd. Testing individual cells within multi-cell battery applications
US9680322B2 (en) * 2015-05-27 2017-06-13 Go-Tech Energy Co. Ltd. Compulsory charging and protective circuit for secondary battery after being over discharged
CN106159356B (zh) * 2016-06-30 2019-07-26 联想(北京)有限公司 一种电池及电子设备
KR102145651B1 (ko) * 2016-08-26 2020-08-18 주식회사 엘지화학 배터리 관리 시스템
JP6741945B2 (ja) * 2016-09-13 2020-08-19 ミツミ電機株式会社 電池制御回路
JP2018117438A (ja) * 2017-01-17 2018-07-26 太陽誘電株式会社 リチウムイオンキャパシタを備えた電源モジュール
JP6916639B2 (ja) * 2017-03-13 2021-08-11 エイブリック株式会社 充放電制御回路およびバッテリ装置
KR102202012B1 (ko) 2017-10-18 2021-01-11 주식회사 엘지화학 배터리팩 및 그것을 포함하는 전력 시스템
CN108461834B (zh) * 2018-02-12 2021-03-23 维沃移动通信有限公司 一种电池组结构、移动终端及充放电控制方法
US10752116B2 (en) * 2018-03-16 2020-08-25 Ford Global Technologies, Llc Vehicle backup electrical power system
CN113466603B (zh) * 2021-09-06 2021-11-02 库尔兹电子科技(南通)有限公司 一种锂电池保护板性能检测装置

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4086525A (en) * 1976-12-28 1978-04-25 General Electric Company Circuit for preventing overdischarge of a battery
GB2010028B (en) * 1977-11-04 1982-04-28 Minitronics Pty Ltd Control of power supply
US4238721A (en) * 1979-02-06 1980-12-09 The United States Of America As Represented By The United States Department Of Energy System and method for charging electrochemical cells in series
US4716354A (en) * 1985-11-12 1987-12-29 Norand Corporation Automatic voltage regulator means providing a dual low power responsive and output-voltage-controlling regulator signal particularly for a plural source battery powered system
US4595872A (en) * 1983-09-28 1986-06-17 Ball Newton E Computer-attached uninterruptable DC power supply
US4816736A (en) * 1987-03-12 1989-03-28 Globe-Union Inc. Polyphase alternator and dual voltage battery charging system for multiple voltage loads
US4965738A (en) * 1988-05-03 1990-10-23 Anton/Bauer, Inc. Intelligent battery system
DE3844093A1 (de) * 1988-12-28 1990-07-05 Metabowerke Kg Elektrohandwerkzeug mit netzunabhaengiger stromversorgung
US5017856A (en) * 1989-06-30 1991-05-21 Motorola, Inc. Battery charging system
JPH04208030A (ja) * 1990-11-30 1992-07-29 Nec Eng Ltd バッテリ充電回路
JPH04331425A (ja) * 1991-04-26 1992-11-19 Sony Corp 過充電防止装置、過放電防止装置、過充電・過放電防止装置、プリント基板並びにバッテリーパック
JP3136677B2 (ja) * 1991-07-31 2001-02-19 ソニー株式会社 ２次電池の過充電及び過放電防止回路
US5206578A (en) * 1991-10-15 1993-04-27 Norvik Technologies Inc. Monitoring system for batteries during charge and discharge
GB9124672D0 (en) * 1991-11-20 1992-01-08 Chloride Silent Power Ltd Apparatus for and a method of balancing the state of charge of sub-units of a battery

Also Published As

Publication number Publication date
KR100316313B1 (ko) 2002-02-19
EP0588615B1 (de) 1998-06-10
KR940008189A (ko) 1994-04-29
EP0721247A3 (de) 1996-10-09
EP0588615A2 (de) 1994-03-23
EP0721247B1 (de) 2001-08-01
EP0588615A3 (en) 1994-09-28
DE69330530T2 (de) 2002-04-18
EP0721247A2 (de) 1996-07-10
US5530336A (en) 1996-06-25
DE69319049D1 (de) 1998-07-16
DE69319049T2 (de) 1999-02-11

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