FR2371079A1 - Installation de protection contre les surintensites de courant pour un transistor de commutation - Google Patents

Installation de protection contre les surintensites de courant pour un transistor de commutation

Info

Publication number
FR2371079A1
FR2371079A1 FR7734024A FR7734024A FR2371079A1 FR 2371079 A1 FR2371079 A1 FR 2371079A1 FR 7734024 A FR7734024 A FR 7734024A FR 7734024 A FR7734024 A FR 7734024A FR 2371079 A1 FR2371079 A1 FR 2371079A1
Authority
FR
France
Prior art keywords
switching transistor
current protection
load
protection installation
overcurrent current
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.)
Granted
Application number
FR7734024A
Other languages
English (en)
Other versions
FR2371079B1 (fr
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.)
Inventio AG
Original Assignee
Inventio AG
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 Inventio AG filed Critical Inventio AG
Publication of FR2371079A1 publication Critical patent/FR2371079A1/fr
Application granted granted Critical
Publication of FR2371079B1 publication Critical patent/FR2371079B1/fr
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
    • H03K17/082—Modifications for protecting switching circuit against overcurrent or overvoltage by feedback from the output to the control circuit
    • H03K17/0826—Modifications for protecting switching circuit against overcurrent or overvoltage by feedback from the output to the control circuit in bipolar transistor switches

Landscapes

  • Circuit Arrangement For Electric Light Sources In General (AREA)
  • Electronic Switches (AREA)

Abstract

a. Installation de protection contre les surintensités de courant pour un transistor de commutation. b. Installation caractérisée en ce que la charge GL placée dans le circuit de charge du transistor de commutation T1 est disposée entre l'émetteur et l'une des bornes K2 de la source de tension du circuit de charge, et l'émetteur du transistor de commutation relié à l'autre borne K1 de la source de tension par l'intermédiaire d'une résistance R4 produisant une tension initiale pour la charge GL à commuter, un couplage de réaction comportant au moins un transistor T3 étant prévu au circuit d'entrée du transistor de commutation. c. Application dans le cas de charges à commuter consistant en des lampes à incandescence.
FR7734024A 1976-11-16 1977-11-10 Installation de protection contre les surintensites de courant pour un transistor de commutation Granted FR2371079A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1438376A CH601949A5 (fr) 1976-11-16 1976-11-16

Publications (2)

Publication Number Publication Date
FR2371079A1 true FR2371079A1 (fr) 1978-06-09
FR2371079B1 FR2371079B1 (fr) 1982-12-31

Family

ID=4400352

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7734024A Granted FR2371079A1 (fr) 1976-11-16 1977-11-10 Installation de protection contre les surintensites de courant pour un transistor de commutation

Country Status (9)

Country Link
BE (1) BE860258A (fr)
CH (1) CH601949A5 (fr)
DE (1) DE2747683C2 (fr)
FR (1) FR2371079A1 (fr)
GB (1) GB1547027A (fr)
IT (1) IT1087444B (fr)
LU (1) LU78510A1 (fr)
NL (1) NL190176C (fr)
NO (1) NO146795C (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0032985A3 (en) * 1979-12-27 1981-12-30 International Business Machines Corporation Line driver circuit with short circuit protection

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3432680A1 (de) * 1984-09-05 1986-03-13 Pepperl & Fuchs Gmbh & Co Kg, 6800 Mannheim Schutzschaltung gegen ueberlast und kurzschluss

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3578983A (en) * 1968-06-25 1971-05-18 Nippon Denso Co Transistor-protecting circuit
US3777185A (en) * 1972-10-18 1973-12-04 Bell Telephone Labor Inc Minimization and limiting of power dissipation in multivibrators and the like
FR2307967A1 (fr) * 1975-04-15 1976-11-12 Bosch Gmbh Robert Dispositif de commande electrique avec une protection contre les mises a la masse

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1613894C3 (de) * 1967-02-28 1974-10-24 Telefunken Patentverwertungsgesellschaft Mbh, 7900 Ulm Überlastungsschutzschaltungsanordnung für einen eine Last speisenden Schalttransistor
DE2037498A1 (de) * 1970-07-29 1972-02-03 Kiepe Bahn Elektrik Gmbh Kurzschlußschutz für ein elektronisches Steuergerat
DE2504923B2 (de) * 1975-02-06 1977-03-03 Fa. Diehl, 8500 Nürnberg Schutzanordnung fuer eine elektronische ansteuerungsschaltung fuer anzeigelampen

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3578983A (en) * 1968-06-25 1971-05-18 Nippon Denso Co Transistor-protecting circuit
US3777185A (en) * 1972-10-18 1973-12-04 Bell Telephone Labor Inc Minimization and limiting of power dissipation in multivibrators and the like
FR2307967A1 (fr) * 1975-04-15 1976-11-12 Bosch Gmbh Robert Dispositif de commande electrique avec une protection contre les mises a la masse

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
EXBK/76 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0032985A3 (en) * 1979-12-27 1981-12-30 International Business Machines Corporation Line driver circuit with short circuit protection

Also Published As

Publication number Publication date
FR2371079B1 (fr) 1982-12-31
DE2747683A1 (de) 1978-05-24
NO146795B (no) 1982-08-30
NO146795C (no) 1982-12-08
DE2747683C2 (de) 1985-07-04
NO773919L (no) 1978-05-18
NL7711960A (nl) 1978-05-18
LU78510A1 (fr) 1978-03-20
CH601949A5 (fr) 1978-07-14
NL190176B (nl) 1993-06-16
IT1087444B (it) 1985-06-04
BE860258A (fr) 1978-02-15
NL190176C (nl) 1993-11-16
GB1547027A (en) 1979-06-06

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Legal Events

Date Code Title Description
ST Notification of lapse