TW200620776A - Circuit protection method, protection circuit and power supply device using the protection circuit - Google Patents

Circuit protection method, protection circuit and power supply device using the protection circuit

Info

Publication number
TW200620776A
TW200620776A TW094127028A TW94127028A TW200620776A TW 200620776 A TW200620776 A TW 200620776A TW 094127028 A TW094127028 A TW 094127028A TW 94127028 A TW94127028 A TW 94127028A TW 200620776 A TW200620776 A TW 200620776A
Authority
TW
Taiwan
Prior art keywords
circuit
voltage
current
protection
protection circuit
Prior art date
Application number
TW094127028A
Other languages
English (en)
Inventor
Tsutomu Ishino
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 TW200620776A publication Critical patent/TW200620776A/zh

Links

Classifications

    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
    • G05F3/00—Non-retroactive systems for regulating electric variables by using an uncontrolled element, or an uncontrolled combination of elements, such element or such combination having self-regulating properties
    • G05F3/02—Regulating voltage or current
    • G05F3/08—Regulating voltage or current wherein the variable is dc
    • G05F3/10—Regulating voltage or current wherein the variable is dc using uncontrolled devices with non-linear characteristics
    • G05F3/16—Regulating voltage or current wherein the variable is dc using uncontrolled devices with non-linear characteristics being semiconductor devices
    • G05F3/20—Regulating voltage or current wherein the variable is dc using uncontrolled devices with non-linear characteristics being semiconductor devices using diode- transistor combinations
    • G05F3/24—Regulating voltage or current wherein the variable is dc using uncontrolled devices with non-linear characteristics being semiconductor devices using diode- transistor combinations wherein the transistors are of the field-effect type 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
    • G05F1/575—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 characterised by the feedback circuit
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Automation & Control Theory (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Power Engineering (AREA)
  • Nonlinear Science (AREA)
  • Continuous-Control Power Sources That Use Transistors (AREA)
  • Emergency Protection Circuit Devices (AREA)
TW094127028A 2004-08-10 2005-08-09 Circuit protection method, protection circuit and power supply device using the protection circuit TW200620776A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2004233402 2004-08-10

Publications (1)

Publication Number Publication Date
TW200620776A true TW200620776A (en) 2006-06-16

Family

ID=35839232

Family Applications (1)

Application Number Title Priority Date Filing Date
TW094127028A TW200620776A (en) 2004-08-10 2005-08-09 Circuit protection method, protection circuit and power supply device using the protection circuit

Country Status (6)

Country Link
US (1) US20070206338A1 (zh)
JP (1) JPWO2006016456A1 (zh)
KR (1) KR20070051319A (zh)
CN (1) CN1989467A (zh)
TW (1) TW200620776A (zh)
WO (1) WO2006016456A1 (zh)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI501495B (zh) * 2010-06-03 2015-09-21 Seiko Instr Inc Battery status monitoring circuit and battery device

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US7589983B1 (en) * 2005-11-10 2009-09-15 Iwatt Inc. Power converter controller controlled by variable reference voltage generated by dual output digital to analog converter
JP2008117176A (ja) * 2006-11-06 2008-05-22 Seiko Instruments Inc 電圧制御回路
CN101373388B (zh) * 2007-08-23 2011-05-04 扬智科技股份有限公司 调整装置
JP5255248B2 (ja) * 2007-09-04 2013-08-07 株式会社アドバンテスト 電源安定化回路、電子デバイス、および、試験装置
CN100589058C (zh) * 2007-12-27 2010-02-10 北京中星微电子有限公司 电流限制电路及包括其的电压调节器和dc-dc转换器
JP5047815B2 (ja) * 2008-01-11 2012-10-10 株式会社リコー 過電流保護回路及びその過電流保護回路を備えた定電圧回路
JP4702403B2 (ja) * 2008-06-06 2011-06-15 ミツミ電機株式会社 充電制御用半導体集積回路
KR101529974B1 (ko) 2008-07-29 2015-06-18 삼성전자주식회사 스위칭 가변 저항부를 구비한 반도체 집적회로
CN201383668Y (zh) * 2009-02-24 2010-01-13 中山大洋电机股份有限公司 一种过电流保护电路及其应用的电机控制器
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
TWI449286B (zh) 2010-07-27 2014-08-11 Realtek Semiconductor Corp 電源切換方法與電路
JP5492728B2 (ja) * 2010-09-28 2014-05-14 株式会社ジャパンディスプレイ 表示装置
CN102487216B (zh) * 2010-12-01 2015-09-23 瑞昱半导体股份有限公司 电源切换方法与电路
US8482266B2 (en) * 2011-01-25 2013-07-09 Freescale Semiconductor, Inc. Voltage regulation circuitry and related operating methods
JP2012186935A (ja) * 2011-03-07 2012-09-27 Sharp Corp 電気機器
JP5895369B2 (ja) * 2011-06-14 2016-03-30 ミツミ電機株式会社 レギュレータ用半導体集積回路
WO2013108064A1 (en) * 2012-01-20 2013-07-25 Freescale Semiconductor, Inc. Over-current protection device
JP5950591B2 (ja) * 2012-01-31 2016-07-13 エスアイアイ・セミコンダクタ株式会社 ボルテージレギュレータ
KR102117186B1 (ko) 2012-04-20 2020-06-02 비쉐이-실리코닉스 전류 제한 시스템 및 방법
US8836404B2 (en) 2012-08-02 2014-09-16 Vishay-Siliconix Circuit for preventing reverse conduction
JP2014071527A (ja) * 2012-09-27 2014-04-21 Fujitsu Ltd 処理装置およびノイズ低減方法
JP5942756B2 (ja) * 2012-09-28 2016-06-29 株式会社ソシオネクスト 保護回路、インタフェース回路、及び通信システム
CN103248036A (zh) * 2013-05-15 2013-08-14 成都市宏山科技有限公司 收音机接口的开机防浪涌保护器
US9755425B2 (en) * 2014-03-28 2017-09-05 Infineon Technologies Ag Power switch device
US10084407B2 (en) * 2015-11-13 2018-09-25 Allegro Microsystems, Llc Circuits and techniques for voltage monitoring of a solid-state isolator
JP6629593B2 (ja) * 2015-12-28 2020-01-15 ローム株式会社 電源回路およびその制御回路、制御方法、ならびにそれを用いた電子機器
JP6577663B2 (ja) * 2016-04-12 2019-09-18 東芝三菱電機産業システム株式会社 コンバータおよびそれを用いた電力変換装置
CN106168828B (zh) * 2016-08-23 2017-06-06 电子科技大学 一种具有过流保护功能的供电电路
JP6768619B2 (ja) 2017-09-19 2020-10-14 株式会社東芝 定電圧電源回路
KR102423301B1 (ko) * 2017-12-11 2022-07-19 주식회사 엘지에너지솔루션 단락 방지 장치 및 방법
JP7008523B2 (ja) * 2018-02-05 2022-01-25 エイブリック株式会社 過電流制限回路、過電流制限方法及び電源回路
JP2019146300A (ja) 2018-02-16 2019-08-29 株式会社東芝 ドライバ回路
US11507119B2 (en) * 2018-08-13 2022-11-22 Avago Technologies International Sales Pte. Limited Method and apparatus for integrated battery supply regulation and transient suppression
JP7368132B2 (ja) * 2019-07-22 2023-10-24 ローム株式会社 シリーズレギュレータ
CN112558679A (zh) * 2019-09-25 2021-03-26 圣邦微电子（北京）股份有限公司 一种限流保护电路
US11886216B2 (en) 2021-11-02 2024-01-30 Nxp B.V. Voltage regulator circuit and method for regulating a voltage
KR102602874B1 (ko) * 2022-01-10 2023-11-16 다믈파워반도체유한회사 발열을 개선한 넓은 입력 범위를 갖는 ldo 레귤레이터

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2721100B2 (ja) * 1992-11-17 1998-03-04 ローム株式会社 電流制限装置
JP2002222929A (ja) * 2001-01-29 2002-08-09 Seiko Epson Corp 電圧安定化回路
JP2003216252A (ja) * 2001-11-15 2003-07-31 Seiko Instruments Inc ボルテージレギュレータ
JP2004128329A (ja) * 2002-10-04 2004-04-22 Rohm Co Ltd 電圧帰還回路を有する半導体装置及びそれを用いた電子装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI501495B (zh) * 2010-06-03 2015-09-21 Seiko Instr Inc Battery status monitoring circuit and battery device

Also Published As

Publication number Publication date
US20070206338A1 (en) 2007-09-06
KR20070051319A (ko) 2007-05-17
WO2006016456A1 (ja) 2006-02-16
JPWO2006016456A1 (ja) 2008-05-01
CN1989467A (zh) 2007-06-27

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