DE3826284C2 - - Google Patents

Info

Publication number
DE3826284C2
DE3826284C2 DE19883826284 DE3826284A DE3826284C2 DE 3826284 C2 DE3826284 C2 DE 3826284C2 DE 19883826284 DE19883826284 DE 19883826284 DE 3826284 A DE3826284 A DE 3826284A DE 3826284 C2 DE3826284 C2 DE 3826284C2
Authority
DE
Germany
Prior art keywords
transistor
control
voltage
gate
diode
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 - Fee Related
Application number
DE19883826284
Other languages
German (de)
English (en)
Other versions
DE3826284A1 (de
Inventor
Hantjun Dipl.-Ing. Hauw-Doeblitz
Yehia Dr.-Ing. 1000 Berlin De Tadros
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.)
Licentia Patent Verwaltungs GmbH
Original Assignee
Licentia Patent Verwaltungs GmbH
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 Licentia Patent Verwaltungs GmbH filed Critical Licentia Patent Verwaltungs GmbH
Priority to DE19883826284 priority Critical patent/DE3826284A1/de
Publication of DE3826284A1 publication Critical patent/DE3826284A1/de
Application granted granted Critical
Publication of DE3826284C2 publication Critical patent/DE3826284C2/de
Granted legal-status Critical Current

Links

Classifications

    • 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
    • H03K17/081—Modifications for protecting switching circuit against overcurrent or overvoltage without feedback from the output circuit to the control circuit
    • H03K17/0812—Modifications for protecting switching circuit against overcurrent or overvoltage without feedback from the output circuit to the control circuit by measures taken in the control circuit
    • H03K17/08128—Modifications for protecting switching circuit against overcurrent or overvoltage without feedback from the output circuit to the control circuit by measures taken in the control circuit in composite switches
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/18—Modifications for indicating state of switch
    • 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
    • H03K17/567—Circuits characterised by the use of more than one type of semiconductor device, e.g. BIMOS, composite devices such as IGBT
    • 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
    • H03K17/689—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 with galvanic isolation between the control circuit and the output circuit
    • H03K17/691—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 with galvanic isolation between the control circuit and the output circuit using transformer coupling

Landscapes

  • Protection Of Static Devices (AREA)
  • Dc-Dc Converters (AREA)
  • Power Conversion In General (AREA)
DE19883826284 1988-07-30 1988-07-30 Ueberstromschutz mit statusmeldung bei einer potentialfreien ansteuerschaltung eines insulated-gate-transistors Granted DE3826284A1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19883826284 DE3826284A1 (de) 1988-07-30 1988-07-30 Ueberstromschutz mit statusmeldung bei einer potentialfreien ansteuerschaltung eines insulated-gate-transistors

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19883826284 DE3826284A1 (de) 1988-07-30 1988-07-30 Ueberstromschutz mit statusmeldung bei einer potentialfreien ansteuerschaltung eines insulated-gate-transistors

Publications (2)

Publication Number Publication Date
DE3826284A1 DE3826284A1 (de) 1990-02-08
DE3826284C2 true DE3826284C2 (fr) 1991-07-04

Family

ID=6360114

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19883826284 Granted DE3826284A1 (de) 1988-07-30 1988-07-30 Ueberstromschutz mit statusmeldung bei einer potentialfreien ansteuerschaltung eines insulated-gate-transistors

Country Status (1)

Country Link
DE (1) DE3826284A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007026169A1 (de) * 2007-06-04 2008-12-11 Moeller Gmbh Vorrichtung und Verfahren zum Erkennen der Ansteuerungsart für ein spannungs- oder stromauslösendes Schaltgerät

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4007539A1 (de) * 1990-03-09 1991-09-12 Asea Brown Boveri Ansteuerschaltung fuer einen leistungshalbleiterschalter
DE4012382A1 (de) * 1990-04-18 1991-10-24 Licentia Gmbh Verfahren und anordnung zum abschalten eines leistungshalbleiterschalters mit mos-steuereingang bei ueberstroemen
EP0487964A3 (en) * 1990-11-29 1993-08-18 Siemens Aktiengesellschaft Circuit arrangement for protecting a field-effect-controlled semiconductor against overload
JP2674355B2 (ja) * 1991-05-15 1997-11-12 三菱電機株式会社 パワー素子の過電流保護装置
EP0730347A3 (fr) * 1992-03-18 1996-10-23 Fuji Electric Co Ltd Dispositif semi-conducteur
US5500619A (en) * 1992-03-18 1996-03-19 Fuji Electric Co., Ltd. Semiconductor device
DE4316694C1 (de) * 1993-05-14 1994-10-06 Licentia Gmbh Hilfsstromversorgung mit integrierter Statusmeldung für Leistungshalbleiteransteuerung mit Optokopplern
CN113433379B (zh) * 2020-03-23 2022-04-26 中车株洲电力机车研究所有限公司 用于IGBT的Ee电压检测装置及方法
CN113433377B (zh) * 2020-03-23 2022-04-26 中车株洲电力机车研究所有限公司 用于igbt的ge电压检测装置及方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3032888A1 (de) * 1980-09-01 1982-03-18 Siemens AG, 1000 Berlin und 8000 München Schutzschaltung fuer einen schalttransistor
DE3216833A1 (de) * 1982-05-05 1983-11-10 Siemens AG, 1000 Berlin und 8000 München Schutzschaltung fuer einen schalttransistor
DE3723786A1 (de) * 1987-07-16 1989-01-26 Licentia Gmbh Anordnung zur selbsttaetigen ueberstromabschaltung

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007026169A1 (de) * 2007-06-04 2008-12-11 Moeller Gmbh Vorrichtung und Verfahren zum Erkennen der Ansteuerungsart für ein spannungs- oder stromauslösendes Schaltgerät

Also Published As

Publication number Publication date
DE3826284A1 (de) 1990-02-08

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Legal Events

Date Code Title Description
OP8 Request for examination as to paragraph 44 patent law
D2 Grant after examination
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee