KR100871947B1 - 과전류 검출 회로 및 이것을 갖는 전원 장치 - Google Patents

과전류 검출 회로 및 이것을 갖는 전원 장치 Download PDF

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Publication number
KR100871947B1
KR100871947B1 KR1020067023013A KR20067023013A KR100871947B1 KR 100871947 B1 KR100871947 B1 KR 100871947B1 KR 1020067023013 A KR1020067023013 A KR 1020067023013A KR 20067023013 A KR20067023013 A KR 20067023013A KR 100871947 B1 KR100871947 B1 KR 100871947B1
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South Korea
Prior art keywords
voltage
overcurrent
overcurrent detection
output
output voltage
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Expired - Fee Related
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KR1020067023013A
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English (en)
Korean (ko)
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KR20070007178A (ko
Inventor
히로까즈 오끼
유조 이데
Original Assignee
로무 가부시키가이샤
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    • 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

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  • 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)
KR1020067023013A 2004-05-06 2005-04-28 과전류 검출 회로 및 이것을 갖는 전원 장치 Expired - Fee Related KR100871947B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JPJP-P-2004-00137072 2004-05-06
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 (2)

Publication Number Publication Date
KR20070007178A KR20070007178A (ko) 2007-01-12
KR100871947B1 true KR100871947B1 (ko) 2008-12-08

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Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020067023013A Expired - Fee Related KR100871947B1 (ko) 2004-05-06 2005-04-28 과전류 검출 회로 및 이것을 갖는 전원 장치

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)

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US7679876B2 (en) 2006-05-22 2010-03-16 Mediatek Singapore Pte Ltd. Current limiter system, circuit and method for limiting current
US7355416B1 (en) * 2007-01-07 2008-04-08 Microsemi Corp.- Analog Mixed Signal Group Ltd. Measurement of cable quality by power over ethernet
JP4896754B2 (ja) * 2007-01-31 2012-03-14 ローム株式会社 過電流保護回路及びこれを用いた電源装置
JP5076536B2 (ja) 2007-02-16 2012-11-21 富士通セミコンダクター株式会社 直流−直流変換回路、直流−直流変換制御回路および直流−直流変換制御方法
JP5247240B2 (ja) 2008-05-22 2013-07-24 キヤノン株式会社 集積回路、集積回路を備える電子機器
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
JP5712483B2 (ja) * 2008-12-12 2015-05-07 日産自動車株式会社 過電流検出装置
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US8368376B2 (en) 2009-08-23 2013-02-05 Anpec Electronics Corporation Electronic device with power switch capable of regulating power dissipation
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JP5932264B2 (ja) * 2011-08-08 2016-06-08 Ｎｅｃネットワークプロダクツ株式会社 過電流抑制回路および過電流抑制方法
US9293919B2 (en) * 2011-08-29 2016-03-22 Control4 Corporation Systems and methods for inductive load switching
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JP5991614B2 (ja) 2012-07-12 2016-09-14 パナソニックＩｐマネジメント株式会社 発光素子点灯装置およびそれを用いた照明器具
KR101353102B1 (ko) * 2012-07-25 2014-01-17 삼성전기주식회사 모터 구동 과전류 검출회로, 헤드룸 전압 손실없는 모터구동회로 및 모터구동회로의 과전류 검출 방법
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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
JP6384780B2 (ja) * 2014-06-13 2018-09-05 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
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JP6326002B2 (ja) * 2015-04-20 2018-05-16 Fdk株式会社 過電流保護付き電源装置
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
JP6540555B2 (ja) * 2016-03-04 2019-07-10 株式会社デンソー スイッチング電源装置
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
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KR102703415B1 (ko) * 2019-07-25 2024-09-04 엘에스일렉트릭(주) 과전류 보호회로 및 이를 사용하는 전력변환장치
CN114902511A (zh) 2019-12-25 2022-08-12 夏普Nec显示器解决方案株式会社 电力控制装置、显示装置、电力控制方法
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Also Published As

Publication number Publication date
JP2005323413A (ja) 2005-11-17
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
TW200538902A (en) 2005-12-01
US7468877B2 (en) 2008-12-23
KR20070007178A (ko) 2007-01-12

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