TWI367612B - Over current protection circuit and power converter using thereof - Google Patents

Over current protection circuit and power converter using thereof

Info

Publication number
TWI367612B
TWI367612B TW097143206A TW97143206A TWI367612B TW I367612 B TWI367612 B TW I367612B TW 097143206 A TW097143206 A TW 097143206A TW 97143206 A TW97143206 A TW 97143206A TW I367612 B TWI367612 B TW I367612B
Authority
TW
Taiwan
Prior art keywords
power converter
protection circuit
current protection
over current
over
Prior art date
Application number
TW097143206A
Other languages
English (en)
Other versions
TW201019558A (en
Inventor
Lan Shan Cheng
Chih Yuan Hsieh
Original Assignee
Novatek Microelectronics 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
Application filed by Novatek Microelectronics Corp filed Critical Novatek Microelectronics Corp
Priority to TW097143206A priority Critical patent/TWI367612B/zh
Priority to US12/394,449 priority patent/US8111529B2/en
Publication of TW201019558A publication Critical patent/TW201019558A/zh
Application granted granted Critical
Publication of TWI367612B publication Critical patent/TWI367612B/zh

Links

Classifications

    • 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
    • H02M1/00—Details of apparatus for conversion
    • H02M1/32—Means for protecting converters other than automatic disconnection
    • 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
    • H02M1/00—Details of apparatus for conversion
    • H02M1/36—Means for starting or stopping converters
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S323/00—Electricity: power supply or regulation systems
    • Y10S323/901—Starting circuits

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Dc-Dc Converters (AREA)
TW097143206A 2008-11-07 2008-11-07 Over current protection circuit and power converter using thereof TWI367612B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
TW097143206A TWI367612B (en) 2008-11-07 2008-11-07 Over current protection circuit and power converter using thereof
US12/394,449 US8111529B2 (en) 2008-11-07 2009-02-27 Over current protection circuit and power converter using the same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
TW097143206A TWI367612B (en) 2008-11-07 2008-11-07 Over current protection circuit and power converter using thereof

Publications (2)

Publication Number Publication Date
TW201019558A TW201019558A (en) 2010-05-16
TWI367612B true TWI367612B (en) 2012-07-01

Family

ID=42164600

Family Applications (1)

Application Number Title Priority Date Filing Date
TW097143206A TWI367612B (en) 2008-11-07 2008-11-07 Over current protection circuit and power converter using thereof

Country Status (2)

Country Link
US (1) US8111529B2 (zh)
TW (1) TWI367612B (zh)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102790373B (zh) * 2011-05-17 2016-12-07 富泰华工业（深圳）有限公司 过流保护电路及具有该过流保护电路的电子装置
US9712041B2 (en) * 2013-12-17 2017-07-18 Integrated Device Technology, Inc. Apparatuses and methods for over-current protection of DC-DC voltage converters
CN104933987A (zh) * 2015-05-29 2015-09-23 京东方科技集团股份有限公司 一种为有机发光二极管供电的电源电路和显示面板
KR102326567B1 (ko) * 2015-06-12 2021-11-17 삼성디스플레이 주식회사 백라이트 유닛
TWI669985B (zh) * 2018-10-12 2019-08-21 力林科技股份有限公司 發光二極體驅動裝置以及發光二極體背光模組
CN112134457B (zh) * 2019-06-24 2022-05-31 株洲中车时代电气股份有限公司 一种基于运算放大器实现pwm调制的恒流源电路
CN114915157B (zh) * 2022-06-29 2024-05-28 易事特储能科技有限公司 储能变流器母线软启动方法、装置、设备及可读存储介质

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5610503A (en) * 1995-05-10 1997-03-11 Celestica, Inc. Low voltage DC-to-DC power converter integrated circuit and related methods
US7235962B2 (en) * 2003-11-17 2007-06-26 Babak Mazda Inductor-based current sensing
US8018694B1 (en) * 2007-02-16 2011-09-13 Fairchild Semiconductor Corporation Over-current protection for a power converter

Also Published As

Publication number Publication date
US8111529B2 (en) 2012-02-07
US20100117618A1 (en) 2010-05-13
TW201019558A (en) 2010-05-16

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