TWI370599B - Overcurrent protection circuit, voltage generator circuit and electronic apparatus - Google Patents

Overcurrent protection circuit, voltage generator circuit and electronic apparatus

Info

Publication number
TWI370599B
TWI370599B TW094124180A TW94124180A TWI370599B TW I370599 B TWI370599 B TW I370599B TW 094124180 A TW094124180 A TW 094124180A TW 94124180 A TW94124180 A TW 94124180A TW I370599 B TWI370599 B TW I370599B
Authority
TW
Taiwan
Prior art keywords
electronic apparatus
voltage generator
overcurrent protection
circuit
protection circuit
Prior art date
Application number
TW094124180A
Other languages
English (en)
Other versions
TW200618437A (en
Inventor
Atsushi Kitagawa
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
Publication of TW200618437A publication Critical patent/TW200618437A/zh
Application granted granted Critical
Publication of TWI370599B publication Critical patent/TWI370599B/zh

Links

Classifications

    • 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
    • H02H9/00—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection
    • H02H9/02—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess current
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M3/00—Conversion of dc power input into dc power output
    • H02M3/02—Conversion of dc power input into dc power output without intermediate conversion into ac
    • H02M3/04—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters
    • H02M3/10—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
    • H02M3/145—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
    • H02M3/155—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
    • 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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/52—Circuit arrangements for protecting such amplifiers
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Automation & Control Theory (AREA)
  • Continuous-Control Power Sources That Use Transistors (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Control Of Electrical Variables (AREA)
  • Amplifiers (AREA)
TW094124180A 2004-07-15 2005-07-15 Overcurrent protection circuit, voltage generator circuit and electronic apparatus TWI370599B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2004209109 2004-07-15
JP2005171174A JP2006053898A (ja) 2004-07-15 2005-06-10 過電流保護回路およびそれを利用した電圧生成回路ならびに電子機器

Publications (2)

Publication Number Publication Date
TW200618437A TW200618437A (en) 2006-06-01
TWI370599B true TWI370599B (en) 2012-08-11

Family

ID=35599156

Family Applications (1)

Application Number Title Priority Date Filing Date
TW094124180A TWI370599B (en) 2004-07-15 2005-07-15 Overcurrent protection circuit, voltage generator circuit and electronic apparatus

Country Status (4)

Country Link
US (1) US7218496B2 (zh)
JP (1) JP2006053898A (zh)
KR (1) KR20060050145A (zh)
TW (1) TWI370599B (zh)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI478457B (zh) * 2012-11-23 2015-03-21 Shu Ling Chen 電路保護裝置

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JP4546320B2 (ja) * 2005-04-19 2010-09-15 株式会社リコー 定電圧電源回路及び定電圧電源回路の制御方法
WO2007038649A2 (en) * 2005-09-26 2007-04-05 Hitek Power Corporation Power supply with current limiting circuits
DE102006020561B3 (de) 2006-05-03 2007-11-29 Infineon Technologies Ag Spannungsversorgungsschaltung und Verfahren zum Versorgen einer Schaltung mit einer Versorgungsspannung
TW200744284A (en) * 2006-05-24 2007-12-01 Asustek Comp Inc Voltage regulating circuit with over-current protection
JP5033375B2 (ja) * 2006-08-11 2012-09-26 株式会社 ペンジュラム 保護回路及び負荷電流検出回路
US8488289B2 (en) * 2006-09-27 2013-07-16 International Rectifier Corporation Current protection circuit for intelligent power switch
JP4996203B2 (ja) * 2006-11-07 2012-08-08 ルネサスエレクトロニクス株式会社 電源電圧回路
JP5082908B2 (ja) 2008-02-13 2012-11-28 富士通セミコンダクター株式会社 電源回路及びその過電流保護回路、並びに電子機器
US8816669B2 (en) * 2008-09-15 2014-08-26 Texas Instruments Inc. Short circuit monitor for current set resistor
FR2941338B1 (fr) * 2009-01-20 2016-11-04 Crouzet Automatismes Commutateur statique haute tension
US8169202B2 (en) * 2009-02-25 2012-05-01 Mediatek Inc. Low dropout regulators
JP2010279188A (ja) * 2009-05-29 2010-12-09 Sanyo Electric Co Ltd 過電流保護回路
US8183853B2 (en) * 2009-06-12 2012-05-22 Tyco Electronics Corporation Power network sensor devices and related methods
CN101924362B (zh) * 2009-06-16 2014-11-05 快捷半导体有限公司 具有返送能力的过电流保护电路
TWI454875B (zh) * 2009-07-17 2014-10-01 Novatek Microelectronics Corp 負載驅動裝置
DE102010041499A1 (de) * 2010-09-28 2012-03-29 Robert Bosch Gmbh Sensorvorrichtung mit Strombegrenzereinheit
EP2675060A4 (en) * 2010-12-22 2018-01-03 Fuji Electric Co., Ltd. Power conversion apparatus
WO2012148774A2 (en) * 2011-04-25 2012-11-01 Volterra Semiconductor Corporation Integrated protection devices with monitoring of electrical characteristics
US9680365B2 (en) * 2011-11-14 2017-06-13 Texas Insturments Incorporated Systems and methods of over-load protection with voltage fold-back
US9088256B2 (en) * 2012-08-08 2015-07-21 Analog Devices, Inc. Apparatus and methods for amplifier fault protection
JP6198442B2 (ja) * 2013-04-24 2017-09-20 新日本無線株式会社 定電流保護回路
CN104184103B (zh) * 2013-05-27 2017-09-22 深圳市海洋王照明工程有限公司 一种输出过流保护电路
US9793707B2 (en) * 2013-05-28 2017-10-17 Texas Instruments Incorporated Fast transient precision power regulation apparatus
KR101431382B1 (ko) 2013-05-28 2014-08-18 주식회사 이노피아테크 유도성 부하를 갖는 직류 전원 공급단에서의 돌입 전류 제한 회로
CN103346537A (zh) * 2013-06-09 2013-10-09 苏州博创集成电路设计有限公司 短路保护结构
US10003190B2 (en) * 2013-07-12 2018-06-19 Linear Technology Corporation Inrush control with multiple switches
CN109830947A (zh) * 2013-07-12 2019-05-31 凌力尔特有限责任公司 采用多开关的涌入控制
JP6223494B2 (ja) * 2016-03-31 2017-11-01 三菱電機株式会社 半導体装置
CN107528307B (zh) * 2016-06-22 2021-09-10 赛尔富电子有限公司 一种用于led电源负载短路的保护电路
US10389243B2 (en) * 2017-03-07 2019-08-20 Qualcomm Incorporated Current limit boost converter
US10496115B2 (en) 2017-07-03 2019-12-03 Macronix International Co., Ltd. Fast transient response voltage regulator with predictive loading
US10860043B2 (en) 2017-07-24 2020-12-08 Macronix International Co., Ltd. Fast transient response voltage regulator with pre-boosting
US20190050012A1 (en) * 2017-08-10 2019-02-14 Macronix International Co., Ltd. Voltage regulator with improved slew rate
TWI698732B (zh) * 2018-12-26 2020-07-11 致茂電子股份有限公司 突波抑制模組及具突波抑制功能的功率因數校正電路
JP7134905B2 (ja) * 2019-03-14 2022-09-12 株式会社東芝 半導体集積回路
US11362504B2 (en) * 2020-07-20 2022-06-14 Analog Devices International Unlimited Company Over current sensing scheme for switch applications
US11838010B2 (en) 2021-07-14 2023-12-05 Shanghai Yaohuo Microelectronics Co., Ltd. Power supply circuit with adjustable channel switch impedance and electronic device
JP2023027545A (ja) * 2021-08-17 2023-03-02 富士電機株式会社 半導体モジュール

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US4428015A (en) * 1981-12-22 1984-01-24 Hughes Aircraft Company Overcurrent limiter circuit for switching regulator power supplies
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JPH05315852A (ja) 1992-05-12 1993-11-26 Fuji Electric Co Ltd 電流制限回路および電流制限回路用定電圧源
JPH07146722A (ja) * 1993-10-01 1995-06-06 Fuji Electric Co Ltd トランジスタ用過電流保護装置
JPH08154022A (ja) * 1994-11-29 1996-06-11 Nec Corp 過電流保護回路付き増幅回路
JP3442942B2 (ja) * 1996-10-08 2003-09-02 シャープ株式会社 直流安定化電源回路の出力ドライブ回路
US5943204A (en) * 1998-01-12 1999-08-24 Eaton Coroporation Electronic trip unit with dedicated override current sensor
JP3558930B2 (ja) * 1999-09-20 2004-08-25 シャープ株式会社 安定化電源
JP4595179B2 (ja) * 2000-08-04 2010-12-08 ミツミ電機株式会社 電源回路
JP2003216252A (ja) * 2001-11-15 2003-07-31 Seiko Instruments Inc ボルテージレギュレータ
JP2003173211A (ja) * 2001-12-05 2003-06-20 Rohm Co Ltd レギュレータ
JP3983612B2 (ja) * 2002-07-08 2007-09-26 ローム株式会社 電流制限機能付き安定化電源装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI478457B (zh) * 2012-11-23 2015-03-21 Shu Ling Chen 電路保護裝置

Also Published As

Publication number Publication date
KR20060050145A (ko) 2006-05-19
US7218496B2 (en) 2007-05-15
TW200618437A (en) 2006-06-01
US20060012932A1 (en) 2006-01-19
JP2006053898A (ja) 2006-02-23

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Legal Events

Date Code Title Description
MM4A Annulment or lapse of patent due to non-payment of fees