JP2005323413A - 過電流検出回路及びこれを有する電源装置 - Google Patents

過電流検出回路及びこれを有する電源装置 Download PDF

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Publication number
JP2005323413A
JP2005323413A JP2004137072A JP2004137072A JP2005323413A JP 2005323413 A JP2005323413 A JP 2005323413A JP 2004137072 A JP2004137072 A JP 2004137072A JP 2004137072 A JP2004137072 A JP 2004137072A JP 2005323413 A JP2005323413 A JP 2005323413A
Authority
JP
Japan
Prior art keywords
voltage
overcurrent
overcurrent detection
detection value
output
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.)
Pending
Application number
JP2004137072A
Other languages
English (en)
Japanese (ja)
Inventor
Koichi Oki
宏一 沖
Yuzo Ide
雄三 井手
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.)
Rohm Co Ltd
Original Assignee
Rohm 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 Rohm Co Ltd filed Critical Rohm Co Ltd
Priority to JP2004137072A priority Critical patent/JP2005323413A/ja
Priority to PCT/JP2005/008164 priority patent/WO2005109589A1/ja
Priority to CNB2005800140523A priority patent/CN100502189C/zh
Priority to US11/568,493 priority patent/US7468877B2/en
Priority to KR1020067023013A priority patent/KR100871947B1/ko
Priority to TW094114444A priority patent/TW200538902A/zh
Publication of JP2005323413A publication Critical patent/JP2005323413A/ja
Pending legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H9/00—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection
    • H02H9/001—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection limiting speed of change of electric quantities, e.g. soft switching on or off
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
    • G05F1/00—Automatic systems in which deviations of an electric quantity from one or more predetermined values are detected at the output of the system and fed back to a device within the system to restore the detected quantity to its predetermined value or values, i.e. retroactive systems
    • G05F1/10—Regulating voltage or current 
    • G05F1/46—Regulating voltage or current  wherein the variable actually regulated by the final control device is DC
    • G05F1/56—Regulating voltage or current  wherein the variable actually regulated by the final control device is DC using semiconductor devices in series with the load as final control devices
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
    • G05F1/00—Automatic systems in which deviations of an electric quantity from one or more predetermined values are detected at the output of the system and fed back to a device within the system to restore the detected quantity to its predetermined value or values, i.e. retroactive systems
    • G05F1/10—Regulating voltage or current 
    • G05F1/46—Regulating voltage or current  wherein the variable actually regulated by the final control device is DC
    • G05F1/56—Regulating voltage or current  wherein the variable actually regulated by the final control device is DC using semiconductor devices in series with the load as final control devices
    • G05F1/565—Regulating voltage or current  wherein the variable actually regulated by the final control device is DC using semiconductor devices in series with the load as final control devices sensing a condition of the system or its load in addition to means responsive to deviations in the output of the system, e.g. current, voltage, power factor
    • G05F1/569—Regulating voltage or current  wherein the variable actually regulated by the final control device is DC using semiconductor devices in series with the load as final control devices sensing a condition of the system or its load in addition to means responsive to deviations in the output of the system, e.g. current, voltage, power factor for protection
    • G05F1/573—Regulating voltage or current  wherein the variable actually regulated by the final control device is DC using semiconductor devices in series with the load as final control devices sensing a condition of the system or its load in addition to means responsive to deviations in the output of the system, e.g. current, voltage, power factor for protection with overcurrent detector
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H1/00—Details of emergency protective circuit arrangements
    • H02H1/04—Arrangements for preventing response to transient abnormal conditions, e.g. to lightning or to short duration over voltage or oscillations; Damping the influence of DC component by short circuits in AC networks
    • H02H1/043—Arrangements for preventing response to transient abnormal conditions, e.g. to lightning or to short duration over voltage or oscillations; Damping the influence of DC component by short circuits in AC networks to inrush currents
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
    • H02H3/08—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to excess current
    • H02H3/087—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to excess current for DC applications
    • 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
    • H02H7/20—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 electronic equipment
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/08—Modifications for protecting switching circuit against overcurrent or overvoltage
    • H03K17/082—Modifications for protecting switching circuit against overcurrent or overvoltage by feedback from the output to the control circuit
    • H03K17/0822—Modifications for protecting switching circuit against overcurrent or overvoltage by feedback from the output to the control circuit in field-effect transistor switches
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/51—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used
    • H03K17/56—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices
    • H03K17/687—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices the devices being field-effect transistors

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Automation & Control Theory (AREA)
  • Power Engineering (AREA)
  • Dc-Dc Converters (AREA)
  • Emergency Protection Circuit Devices (AREA)
JP2004137072A 2004-05-06 2004-05-06 過電流検出回路及びこれを有する電源装置 Pending JP2005323413A (ja)

Priority Applications (6)

Application Number Priority Date Filing Date Title
JP2004137072A JP2005323413A (ja) 2004-05-06 2004-05-06 過電流検出回路及びこれを有する電源装置
PCT/JP2005/008164 WO2005109589A1 (ja) 2004-05-06 2005-04-28 過電流検出回路及びこれを有する電源装置
CNB2005800140523A CN100502189C (zh) 2004-05-06 2005-04-28 过流检测电路及配置有过流检测电路的电源设备
US11/568,493 US7468877B2 (en) 2004-05-06 2005-04-28 Overcurrent detection circuit and power supply apparatus provided therewith
KR1020067023013A KR100871947B1 (ko) 2004-05-06 2005-04-28 과전류 검출 회로 및 이것을 갖는 전원 장치
TW094114444A TW200538902A (en) 2004-05-06 2005-05-04 Overcurrent detecting circuit and power supply device provided with it

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2004137072A JP2005323413A (ja) 2004-05-06 2004-05-06 過電流検出回路及びこれを有する電源装置

Publications (1)

Publication Number Publication Date
JP2005323413A true JP2005323413A (ja) 2005-11-17

Family

ID=35320504

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2004137072A Pending JP2005323413A (ja) 2004-05-06 2004-05-06 過電流検出回路及びこれを有する電源装置

Country Status (6)

Country Link
US (1) US7468877B2 (enExample)
JP (1) JP2005323413A (enExample)
KR (1) KR100871947B1 (enExample)
CN (1) CN100502189C (enExample)
TW (1) TW200538902A (enExample)
WO (1) WO2005109589A1 (enExample)

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007209054A (ja) * 2006-01-31 2007-08-16 Sharp Corp スイッチングレギュレータ及びその制御回路
JP2008187847A (ja) * 2007-01-31 2008-08-14 Rohm Co Ltd 過電流保護回路及びこれを用いた電源装置
JP2009282764A (ja) * 2008-05-22 2009-12-03 Canon Inc 集積回路
US7679876B2 (en) 2006-05-22 2010-03-16 Mediatek Singapore Pte Ltd. Current limiter system, circuit and method for limiting current
JP2010088272A (ja) * 2008-10-02 2010-04-15 Sumitomo Electric Ind Ltd 接合型電界効果トランジスタの駆動装置および駆動方法
US7957165B2 (en) 2007-02-16 2011-06-07 Fujitsu Semiconductor Limited DC-DC converter with a plurality of soft-start control circuits
US8368376B2 (en) 2009-08-23 2013-02-05 Anpec Electronics Corporation Electronic device with power switch capable of regulating power dissipation
JP2013038892A (ja) * 2011-08-08 2013-02-21 Nec Network Products Ltd 過電流抑制回路および過電流抑制方法
TWI394366B (zh) * 2009-08-23 2013-04-21 Anpec Electronics Corp 可調節電源開關散熱功率的電子裝置
JP2013207859A (ja) * 2012-03-27 2013-10-07 Fujitsu Semiconductor Ltd Ｄｃ−ｄｃコンバータ用制御回路、ｄｃ−ｄｃコンバータ、及びｄｃ−ｄｃコンバータの制御方法
JP2014022063A (ja) * 2012-07-12 2014-02-03 Panasonic Corp 発光素子点灯装置およびそれを用いた照明器具
JP2014511665A (ja) * 2011-02-18 2014-05-15 フリースケール セミコンダクター インコーポレイテッド 過電流保護装置および電源スイッチを操作する方法
JP2016005313A (ja) * 2014-06-13 2016-01-12 パナソニックＩｐマネジメント株式会社 非接触給電システム
JP2017158399A (ja) * 2016-03-04 2017-09-07 株式会社デンソー スイッチング電源装置
KR20170139065A (ko) 2015-04-20 2017-12-18 에프디케이 가부시키가이샤 과전류 보호 기능을 갖는 전원 장치
WO2021130898A1 (ja) * 2019-12-25 2021-07-01 シャープＮｅｃディスプレイソリューションズ株式会社 電力制御装置、表示装置、電力制御方法

Families Citing this family (33)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7408332B2 (en) * 2005-10-26 2008-08-05 Micrel, Inc. Intelligent soft start for switching regulators
JP4812085B2 (ja) * 2005-12-28 2011-11-09 ルネサスエレクトロニクス株式会社 半導体集積回路
US7355416B1 (en) * 2007-01-07 2008-04-08 Microsemi Corp.- Analog Mixed Signal Group Ltd. Measurement of cable quality by power over ethernet
JP5712483B2 (ja) * 2008-12-12 2015-05-07 日産自動車株式会社 過電流検出装置
JP2010279188A (ja) * 2009-05-29 2010-12-09 Sanyo Electric Co Ltd 過電流保護回路
RU2469375C2 (ru) * 2010-04-15 2012-12-10 Открытое акционерное общество "Научно-производственная организация "Орион" (ОАО "НПО "Орион") Стабилизированный преобразователь напряжения с защитой
WO2011129185A1 (ja) * 2010-04-16 2011-10-20 株式会社村田製作所 スイッチング制御回路及びスイッチング電源装置
US20140192449A1 (en) * 2011-07-14 2014-07-10 Fuji Electric Co., Ltd. Short-circuit protection circuit
US9293919B2 (en) * 2011-08-29 2016-03-22 Control4 Corporation Systems and methods for inductive load switching
WO2013033247A1 (en) * 2011-08-29 2013-03-07 Control4 Corporation Wall box device for managing energy
KR101353102B1 (ko) * 2012-07-25 2014-01-17 삼성전기주식회사 모터 구동 과전류 검출회로, 헤드룸 전압 손실없는 모터구동회로 및 모터구동회로의 과전류 검출 방법
DE102013105942A1 (de) * 2013-06-07 2014-12-11 Murrelektronik Gmbh Verfahren zur Steuerung eines Schutzschalters, sowie Schutzschalter
CN104883162B (zh) * 2014-02-27 2019-03-12 快捷半导体(苏州)有限公司 过电流检测电路、方法、负载开关及便携式设备
US9490623B2 (en) 2014-11-18 2016-11-08 Honeywell International Inc. Capacitvive load overcurrent detection system and method
CN106125810B (zh) * 2015-05-08 2019-03-12 美国亚德诺半导体公司 包括过冲抑制的过流恢复
KR102367739B1 (ko) * 2015-09-02 2022-02-28 한온시스템 주식회사 전동 압축기 과전류시 보호 장치 및 방법
JP6593454B2 (ja) * 2015-12-18 2019-10-23 三菱電機株式会社 半導体デバイス駆動回路
JP6563590B2 (ja) * 2016-04-28 2019-08-21 ローム株式会社 過電流保護回路
CN106129968B (zh) * 2016-07-12 2018-12-11 成都芯源系统有限公司 谐振变换器及其过流保护电路和过流保护方法
US10969839B2 (en) 2016-11-22 2021-04-06 Intel Corporation Restricting current draw in wearable devices
DE102017202103B3 (de) * 2017-02-09 2018-03-01 Ellenberger & Poensgen Gmbh Verfahren zum Betreiben eines elektronischen Schutzschalters und elektronischer Schutzschalter
JP6939059B2 (ja) * 2017-04-27 2021-09-22 富士電機株式会社 半導体素子の駆動装置
CN107332203A (zh) * 2017-08-17 2017-11-07 郑州云海信息技术有限公司 一种用于感性负载的过流保护系统及方法
CN108233328B (zh) * 2018-03-02 2019-04-23 中国电子科技集团公司第二十九研究所 一种线性缓启动电路的短路保护方法
US11303111B2 (en) 2018-12-26 2022-04-12 Eaton Intelligent Power Limited Configurable modular hazardous location compliant circuit protection devices, systems and methods
US11615925B2 (en) 2018-12-26 2023-03-28 Eaton Intelligent Power Limited Hazardous location compliant circuit protection devices having enhanced safety intelligence, systems and methods
US11270854B2 (en) 2018-12-26 2022-03-08 Eaton Intelligent Power Limited Circuit protection devices, systems and methods for explosive environment compliance
US11239652B2 (en) 2018-12-26 2022-02-01 Eaton Intelligent Power Limited Compliant, hazardous environment circuit protection devices, systems and methods
KR102703415B1 (ko) * 2019-07-25 2024-09-04 엘에스일렉트릭(주) 과전류 보호회로 및 이를 사용하는 전력변환장치
US11563430B2 (en) * 2020-10-30 2023-01-24 Texas Instruments Incorporated Transistor diagnostic circuit
JP7304547B2 (ja) * 2021-09-15 2023-07-07 パナソニックＩｐマネジメント株式会社 車両及び制御装置
US12140982B2 (en) 2022-07-18 2024-11-12 Stmicroelctronics S.R.L. Time based predictive maintenance for capacitive loads in factory automation applications
CN115509165A (zh) * 2022-09-29 2022-12-23 深圳市德兰明海科技有限公司 一种点烟器输出电路及其控制方法

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01103120A (ja) 1987-10-14 1989-04-20 Stanley Electric Co Ltd 電源保護装置
US5291384A (en) * 1991-06-20 1994-03-01 Unitrode Corporation Phase shifted switching controller
JPH0592824A (ja) 1991-09-30 1993-04-16 Hitachi Ltd 情報印刷システム
JPH0592824U (ja) * 1992-05-07 1993-12-17 富士通テン株式会社 過電流検出回路
JPH0865879A (ja) 1994-08-10 1996-03-08 Advantest Corp 過電流保護機能を有する電源装置。
US5684663A (en) * 1995-09-29 1997-11-04 Motorola, Inc. Protection element and method for protecting a circuit
JPH09308239A (ja) 1996-05-16 1997-11-28 Denso Corp 過電流保護機能を有するｄｃ−ｄｃコンバータ
JP3656412B2 (ja) * 1998-07-03 2005-06-08 株式会社日立製作所 車両用電力制御装置
JP3684866B2 (ja) * 1998-10-16 2005-08-17 株式会社日立製作所 導通，遮断制御装置
US6127882A (en) 1999-02-23 2000-10-03 Maxim Integrated Products, Inc. Current monitors with independently adjustable dual level current thresholds
SE516363C2 (en) * 1999-09-06 2002-01-08 Overcurrent protector for DC voltage source, turns ON one switch based on transient current through other switch and current limiting resistor

Cited By (20)

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Publication number Priority date Publication date Assignee Title
JP2007209054A (ja) * 2006-01-31 2007-08-16 Sharp Corp スイッチングレギュレータ及びその制御回路
US7679876B2 (en) 2006-05-22 2010-03-16 Mediatek Singapore Pte Ltd. Current limiter system, circuit and method for limiting current
JP2008187847A (ja) * 2007-01-31 2008-08-14 Rohm Co Ltd 過電流保護回路及びこれを用いた電源装置
US7957165B2 (en) 2007-02-16 2011-06-07 Fujitsu Semiconductor Limited DC-DC converter with a plurality of soft-start control circuits
JP2009282764A (ja) * 2008-05-22 2009-12-03 Canon Inc 集積回路
US8487596B2 (en) 2008-05-22 2013-07-16 Canon Kabushiki Kaisha Driving circuitry and an integrated circuit for use therein
JP2010088272A (ja) * 2008-10-02 2010-04-15 Sumitomo Electric Ind Ltd 接合型電界効果トランジスタの駆動装置および駆動方法
US8368376B2 (en) 2009-08-23 2013-02-05 Anpec Electronics Corporation Electronic device with power switch capable of regulating power dissipation
TWI394366B (zh) * 2009-08-23 2013-04-21 Anpec Electronics Corp 可調節電源開關散熱功率的電子裝置
JP2014511665A (ja) * 2011-02-18 2014-05-15 フリースケール セミコンダクター インコーポレイテッド 過電流保護装置および電源スイッチを操作する方法
JP2013038892A (ja) * 2011-08-08 2013-02-21 Nec Network Products Ltd 過電流抑制回路および過電流抑制方法
JP2013207859A (ja) * 2012-03-27 2013-10-07 Fujitsu Semiconductor Ltd Ｄｃ−ｄｃコンバータ用制御回路、ｄｃ−ｄｃコンバータ、及びｄｃ−ｄｃコンバータの制御方法
US9276467B2 (en) 2012-03-27 2016-03-01 Socionext Inc. Control circuit for DC-DC converter, DC-DC converter, and control method of DC-DC converter
JP2014022063A (ja) * 2012-07-12 2014-02-03 Panasonic Corp 発光素子点灯装置およびそれを用いた照明器具
JP2016005313A (ja) * 2014-06-13 2016-01-12 パナソニックＩｐマネジメント株式会社 非接触給電システム
KR20170139065A (ko) 2015-04-20 2017-12-18 에프디케이 가부시키가이샤 과전류 보호 기능을 갖는 전원 장치
US10075061B2 (en) 2015-04-20 2018-09-11 Fdk Corporation Power supply device with excess current protection
JP2017158399A (ja) * 2016-03-04 2017-09-07 株式会社デンソー スイッチング電源装置
WO2021130898A1 (ja) * 2019-12-25 2021-07-01 シャープＮｅｃディスプレイソリューションズ株式会社 電力制御装置、表示装置、電力制御方法
US11809251B2 (en) 2019-12-25 2023-11-07 Sharp Nec Display Solutions, Ltd. Power control device, display device, and power control method

Also Published As

Publication number Publication date
WO2005109589A1 (ja) 2005-11-17
CN1950981A (zh) 2007-04-18
CN100502189C (zh) 2009-06-17
US20070223164A1 (en) 2007-09-27
TWI366084B (enExample) 2012-06-11
KR100871947B1 (ko) 2008-12-08
TW200538902A (en) 2005-12-01
US7468877B2 (en) 2008-12-23
KR20070007178A (ko) 2007-01-12

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