GB1582764A - Electrical circuits - Google Patents

Electrical circuits Download PDF

Info

Publication number
GB1582764A
GB1582764A GB35397/77A GB3539777A GB1582764A GB 1582764 A GB1582764 A GB 1582764A GB 35397/77 A GB35397/77 A GB 35397/77A GB 3539777 A GB3539777 A GB 3539777A GB 1582764 A GB1582764 A GB 1582764A
Authority
GB
United Kingdom
Prior art keywords
circuit
voltage
diode
rectifier element
semiconductor switch
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
Application number
GB35397/77A
Other languages
English (en)
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.)
Robert Bosch GmbH
Original Assignee
Robert Bosch 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 Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of GB1582764A publication Critical patent/GB1582764A/en
Expired 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
    • H03K17/0814—Modifications for protecting switching circuit against overcurrent or overvoltage without feedback from the output circuit to the control circuit by measures taken in the output circuit
    • H03K17/08146—Modifications for protecting switching circuit against overcurrent or overvoltage without feedback from the output circuit to the control circuit by measures taken in the output circuit in bipolar transistor switches
    • 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
    • H03K17/60—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 bipolar transistors
    • H03K17/64—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 bipolar transistors having inductive loads

Landscapes

  • Emergency Protection Circuit Devices (AREA)
  • Protection Of Static Devices (AREA)
  • Electronic Switches (AREA)
  • Semiconductor Integrated Circuits (AREA)
GB35397/77A 1976-08-25 1977-08-24 Electrical circuits Expired GB1582764A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2638177A DE2638177C2 (de) 1976-08-25 1976-08-25 Schutzvorrichtung gegen Spannungsumpolung und Überspannungen für eine Halbleiterschaltung

Publications (1)

Publication Number Publication Date
GB1582764A true GB1582764A (en) 1981-01-14

Family

ID=5986293

Family Applications (1)

Application Number Title Priority Date Filing Date
GB35397/77A Expired GB1582764A (en) 1976-08-25 1977-08-24 Electrical circuits

Country Status (6)

Country Link
US (1) US4178619A (en:Method)
JP (2) JPS5326946A (en:Method)
DE (1) DE2638177C2 (en:Method)
FR (1) FR2363215A1 (en:Method)
GB (1) GB1582764A (en:Method)
IT (1) IT1085366B (en:Method)

Families Citing this family (33)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2841544A1 (de) * 1978-09-23 1980-04-03 Bosch Gmbh Robert Diodenbaugruppe
US4367509A (en) * 1979-05-02 1983-01-04 Rca Corporation Anti-latch circuit for power output devices using inductive loads
FR2471080A1 (fr) * 1979-11-28 1981-06-12 Ibm France Circuit d'interface conforme aux normes eia realise a partir d'un amplificateur operationnel
US4322770A (en) * 1980-02-28 1982-03-30 Rca Corporation Latch-up prevention circuit for power output devices using inductive loads
US4337494A (en) * 1980-04-07 1982-06-29 Reliance Electric Company Automatic bias-controlled VMOS/bipolar dual-triggered switch
US4567500A (en) * 1981-12-01 1986-01-28 Rca Corporation Semiconductor structure for protecting integrated circuit devices
US4404473A (en) * 1981-12-17 1983-09-13 Westinghouse Electric Corp. Direct current power controller
US4581673A (en) * 1984-02-02 1986-04-08 Motorola, Inc. Apparatus and method for protection and recovery from latch-up of integrated circuits
US4639936A (en) * 1984-02-10 1987-01-27 Prime Computer, Inc. Data transmission signal apparatus
DE3443770A1 (de) * 1984-11-30 1986-06-05 Robert Bosch Gmbh, 7000 Stuttgart Monolithisch integrierte, verpolungsgeschuetzte schaltung
US4665459A (en) * 1985-04-01 1987-05-12 Motorola, Inc. Method and circuit for dissipating stored inductive energy
US4705322A (en) * 1985-07-05 1987-11-10 American Telephone And Telegraph Company, At&T Bell Laboratories Protection of inductive load switching transistors from inductive surge created overvoltage conditions
JPS6258827A (ja) * 1985-09-03 1987-03-14 株式会社日立製作所 トランジスタの過電流保護方式
US4679112A (en) * 1986-07-31 1987-07-07 General Motors Corporation Transistor protection circuit for automotive motor control applications
US4839769A (en) * 1988-05-09 1989-06-13 Motorola, Inc. Driver protection circuit
US4907116A (en) * 1988-06-09 1990-03-06 Rca Licensing Corporation Power supply fault protection circuit
US5473498A (en) * 1993-06-28 1995-12-05 Rockwell International Corporation Power amplifier over-voltage protection circuit
DE4432957C1 (de) * 1994-09-16 1996-04-04 Bosch Gmbh Robert Schaltmittel
DE4434179A1 (de) * 1994-09-24 1996-03-28 Teves Gmbh Alfred Schaltungsanordnung zur Überwachung einer Steuerschaltung
DE19646052A1 (de) * 1996-11-08 1998-05-14 Bosch Gmbh Robert Verfahren und Vorrichtung zur Ansteuerung eines Verbrauchers
US6781804B1 (en) * 1997-06-17 2004-08-24 Sgs-Thomson Microelectronics S.A. Protection of the logic well of a component including an integrated MOS power transistor
DE19806311A1 (de) * 1998-02-16 1999-08-26 Siemens Ag Vorrichtung zum Schalten induktiver Verbraucher
DE10047114C1 (de) * 2000-09-22 2002-05-23 Pepperl & Fuchs Schutzschaltung
DE10235297B3 (de) * 2002-08-02 2004-02-19 Moeller Gmbh Steueranordnung für einen elektromagnetischen Antrieb
DE102005002648A1 (de) * 2005-01-19 2006-07-27 Dbt Gmbh Schutzbeschaltung für eigensichere Elektromagnetaktoren sowie Schutzbeschaltung für eigensichere Energieversorgungssysteme
DE102005004554A1 (de) * 2005-01-31 2006-08-10 Dbt Gmbh Schutzbeschaltung für eigensichere Elektromagnetaktoren sowie Schutzbeschaltung für eigensichere Energieversorgungssysteme
KR100690772B1 (ko) * 2005-03-23 2007-03-09 엘지전자 주식회사 휴대단말기의 전력증폭기 전원부 보호장치 및 방법
US8743523B2 (en) * 2010-07-28 2014-06-03 General Electric Company Systems, methods, and apparatus for limiting voltage across a switch
JP5576894B2 (ja) * 2012-03-24 2014-08-20 株式会社東芝 Ｆｅｔ駆動回路およびｆｅｔモジュール
JP2014171637A (ja) * 2013-03-08 2014-09-22 Health Holdings Co Ltd 交流電位治療器
JP2014183912A (ja) * 2013-03-22 2014-10-02 Health Holdings Co Ltd 交流電位治療器
CN105743061A (zh) * 2014-12-09 2016-07-06 鸿富锦精密工业（深圳）有限公司 电压保护电路
DE102016207384A1 (de) * 2016-04-29 2017-11-02 Robert Bosch Gmbh Verfahren zum Schutz eines Halbleiterschalters, Schutzvorrichtung für einen Halbleiterschalter und Ansteuerschaltung für einen Halbleiterschalter

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL108097C (en:Method) * 1959-06-02
DE1275192B (de) * 1962-03-31 1968-08-14 Standard Elektrik Lorenz Ag Schaltungsanordnung zur Begrenzung der Abschaltespannung bei mehreren wahlweise ein-und ausschaltbaren, an einer gemeinsamen Gleichspannungsquelle angeschlossenen Induktivitaeten
US3252051A (en) * 1962-06-12 1966-05-17 Westinghouse Electric Corp Overvoltage protective device
US3340407A (en) * 1964-07-29 1967-09-05 Gen Electric Deenergizing circuit
DE1221291B (de) * 1965-01-23 1966-07-21 Telefunken Patent UEberlastungsschutzeinrichtung fuer mehrstufige transistorisierte Verstaerker, insbesondere fuer Traegerfrequenz-Leitungsverstaerker
US3421025A (en) * 1966-03-18 1969-01-07 Nat Semiconductor Corp High-speed avalanche switching circuit
US3577063A (en) * 1969-02-03 1971-05-04 Honeywell Inc Voltage regulator with insignificant current drain
US3641407A (en) * 1970-10-26 1972-02-08 Teletype Corp Inductor surge protection for transistors
JPS5230840Y2 (en:Method) * 1971-08-31 1977-07-14
JPS538910Y2 (en:Method) * 1972-04-07 1978-03-08
US3770986A (en) * 1972-04-20 1973-11-06 Hewlett Packard Co Switching circuit for inductive loads
US3815049A (en) * 1973-04-09 1974-06-04 Bell Telephone Labor Inc Negative resistance oscillator with active bias resistor for preventing spurious oscillations
DE2401701C3 (de) * 1974-01-15 1978-12-21 Robert Bosch Gmbh, 7000 Stuttgart Transistorleistungsschalter

Also Published As

Publication number Publication date
DE2638177C2 (de) 1985-10-24
FR2363215A1 (fr) 1978-03-24
DE2638177A1 (de) 1978-03-09
US4178619A (en) 1979-12-11
JPS61189732U (en:Method) 1986-11-26
JPS5326946A (en) 1978-03-13
FR2363215B3 (en:Method) 1980-04-18
IT1085366B (it) 1985-05-28
JPH0237234Y2 (en:Method) 1990-10-09

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
746 Register noted 'licences of right' (sect. 46/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19960824