DE69409604D1 - Schutzschaltung für ein Schaltnetzteil - Google Patents

Schutzschaltung für ein Schaltnetzteil

Info

Publication number
DE69409604D1
DE69409604D1 DE69409604T DE69409604T DE69409604D1 DE 69409604 D1 DE69409604 D1 DE 69409604D1 DE 69409604 T DE69409604 T DE 69409604T DE 69409604 T DE69409604 T DE 69409604T DE 69409604 D1 DE69409604 D1 DE 69409604D1
Authority
DE
Germany
Prior art keywords
power supply
protection circuit
switching power
switching
protection
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.)
Expired - Lifetime
Application number
DE69409604T
Other languages
English (en)
Other versions
DE69409604T2 (de
Inventor
Mitsuo Kosugi
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.)
Hamamatsu Photonics KK
Original Assignee
Hamamatsu Photonics KK
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 Hamamatsu Photonics KK filed Critical Hamamatsu Photonics KK
Application granted granted Critical
Publication of DE69409604D1 publication Critical patent/DE69409604D1/de
Publication of DE69409604T2 publication Critical patent/DE69409604T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • H02M3/00—Conversion of dc power input into dc power output
    • H02M3/22—Conversion of dc power input into dc power output with intermediate conversion into ac
    • H02M3/24—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters
    • H02M3/28—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac
    • H02M3/325—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal
    • H02M3/335—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only
    • H02M3/33507—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of the output voltage or current, e.g. flyback converters
    • 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)
  • Dc-Dc Converters (AREA)
  • Protection Of Static Devices (AREA)
DE69409604T 1993-10-19 1994-10-19 Schutzschaltung für ein Schaltnetzteil Expired - Lifetime DE69409604T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5260938A JP2784136B2 (ja) 1993-10-19 1993-10-19 スイッチング電源の過負荷・短絡保護回路

Publications (2)

Publication Number Publication Date
DE69409604D1 true DE69409604D1 (de) 1998-05-20
DE69409604T2 DE69409604T2 (de) 1998-08-06

Family

ID=17354865

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69409604T Expired - Lifetime DE69409604T2 (de) 1993-10-19 1994-10-19 Schutzschaltung für ein Schaltnetzteil

Country Status (4)

Country Link
US (1) US5568343A (de)
EP (1) EP0649222B1 (de)
JP (1) JP2784136B2 (de)
DE (1) DE69409604T2 (de)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1067187C (zh) * 1994-09-03 2001-06-13 黄得泰 带过流保护的自激式开关电源装置
EP0849854B1 (de) * 1996-12-18 2003-06-18 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Elektronisches Schaltnetzteil
GB9813982D0 (en) * 1998-06-30 1998-08-26 Mem Limited Residual current detection device
US6337788B1 (en) * 1998-11-16 2002-01-08 Power Integrations, Inc. Fault condition protection
GB0000067D0 (en) * 2000-01-06 2000-02-23 Delta Electrical Limited Current detector and current measurement apparatus including such detector with temparature compensation
AT410619B (de) * 2000-07-14 2003-06-25 Siemens Ag Oesterreich Verfahren zum erkennen und/oder begrenzen von kurzschlusszuständen eines schaltwandlers
US20030112573A1 (en) * 2001-12-13 2003-06-19 Daniel Perez Method and apparatus for preventing overload in a circuit
KR100491599B1 (ko) * 2002-08-29 2005-05-27 삼성전자주식회사 고압전원장치
DE10240914B4 (de) * 2002-09-04 2007-01-25 Infineon Technologies Ag Schaltungsanordnung mit einem Lasttransistor und einer Strommessanordnung und Verfahren zur Ermittlung des Laststroms eines Lasttransistors sowie Verwendung eines Halbleiterbauelements
JP4765779B2 (ja) * 2005-07-19 2011-09-07 株式会社デンソー 制御装置，ショート検出装置，負荷駆動システムおよびプログラム
JP5056055B2 (ja) * 2007-02-19 2012-10-24 富士電機株式会社 スイッチング電源制御用集積回路およびスイッチング電源装置
JP2009106028A (ja) * 2007-10-22 2009-05-14 Rohm Co Ltd キャパシタ充電回路の制御回路、制御方法およびそれを用いたキャパシタ充電回路、電子機器
US7965483B2 (en) * 2008-09-12 2011-06-21 General Electric Company Electronic trip unit of a circuit breaker
CN101969188B (zh) * 2010-10-25 2013-08-21 灿芯半导体(上海)有限公司 用于开关电源的电阻短路保护装置和保护方法
US9083252B2 (en) * 2012-10-23 2015-07-14 Texas Instruments Incorporated Primary-side regulation for isolated power supplies
US20210210951A1 (en) * 2017-04-25 2021-07-08 Hewlett-Packard Development Company, L.P. Power device protection
JP6895833B2 (ja) * 2017-07-14 2021-06-30 ローム株式会社 Ｄｃ／ｄｃコンバータおよびその制御回路

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3634728A (en) * 1970-07-13 1972-01-11 Jeumont Schneider Current chopper for dc machines connected to the terminals of a source having an inductive impedance
US3855520A (en) * 1972-12-22 1974-12-17 Allis Chalmers Control having conduction limit means to vary duty cycle of power switch
JPS60152225A (ja) * 1984-01-19 1985-08-10 日本電気株式会社 保護回路
US4678984A (en) * 1986-04-21 1987-07-07 Sperry Corporation Digital power converter input current control circuit
DE3732334A1 (de) * 1987-09-25 1989-04-27 Kloeckner Moeller Elektrizit Einrichtung und schaltungsanordnung zum schutz gegen ueberstrom und ueberspannung
JPH0624438B2 (ja) * 1988-03-01 1994-03-30 富士電機株式会社 直流高圧電源装置の制御方法
JPH02159970A (ja) * 1988-12-09 1990-06-20 Matsushita Electric Ind Co Ltd ブラシレスブロアモータ用電源装置
JPH0727835Y2 (ja) * 1990-11-22 1995-06-21 東光株式会社 スイッチング電源回路
US5297014A (en) * 1991-01-09 1994-03-22 Canon Kabushiki Kaisha Switching DC power supply apparatus
FR2703858B1 (fr) * 1993-04-05 1995-05-19 Sat Dispositif de protection contre les surintensités pour un régulateur.

Also Published As

Publication number Publication date
DE69409604T2 (de) 1998-08-06
JPH07123711A (ja) 1995-05-12
EP0649222A2 (de) 1995-04-19
JP2784136B2 (ja) 1998-08-06
EP0649222A3 (de) 1996-02-07
EP0649222B1 (de) 1998-04-15
US5568343A (en) 1996-10-22

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition