ES8202997A1 - Perfeccionamientos en circuitos de salida de potencia - Google Patents

Perfeccionamientos en circuitos de salida de potencia

Info

Publication number
ES8202997A1
ES8202997A1 ES499893A ES499893A ES8202997A1 ES 8202997 A1 ES8202997 A1 ES 8202997A1 ES 499893 A ES499893 A ES 499893A ES 499893 A ES499893 A ES 499893A ES 8202997 A1 ES8202997 A1 ES 8202997A1
Authority
ES
Spain
Prior art keywords
diode
transistor
coupled
power output
latch
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
ES499893A
Other languages
English (en)
Other versions
ES499893A0 (es
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.)
RCA Corp
Original Assignee
RCA 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 RCA Corp filed Critical RCA Corp
Publication of ES8202997A1 publication Critical patent/ES8202997A1/es
Publication of ES499893A0 publication Critical patent/ES499893A0/es
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/52—Circuit arrangements for protecting such amplifiers
    • 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

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
  • Electronic Switches (AREA)
  • Dc-Dc Converters (AREA)
  • Bipolar Integrated Circuits (AREA)

Abstract

CIRCUITO DE PROTECCION DE UN AMPLIFICADOR DE POTENCIA, CONTRA EL ENGANCHE DEBIDO A IMPULSOS DE VOLTAJE DESARROLLADOS DE UNA FORMA INDUCTIVAS. FORMADO POR DOS DIODOS (40, 44) Y EL CAPACITADOR (42). EL DIODO (40) TIENE EL ANODO ACOPLADO AL TERMINAL (14) DE UNA PASTILLA DE CIRCUITO INTEGRADO MONOLITICO DE AUDIO (10), Y EL CATODO ACOPLADO A TIERRA. SITUADO EN PARALELO A EL, SE ENCUENTRA EL CAPACITADOR (42). EL DIODO (44) ESTA CONECTADO A LOS TERMINALES (12) Y (14) DEL CIRCUITO INTEGRADO (10) Y PERMITE LA DESCARGA DE UN IMPULSO NEGATIVO ORIGINADO POR UNA SEÑAL DE DESVIACION ALTA INTRODUCIDA AL TRANSFORMADOR (50).
ES499893A 1980-02-28 1981-02-27 Perfeccionamientos en circuitos de salida de potencia Granted ES499893A0 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/125,647 US4322770A (en) 1980-02-28 1980-02-28 Latch-up prevention circuit for power output devices using inductive loads

Publications (2)

Publication Number Publication Date
ES8202997A1 true ES8202997A1 (es) 1982-02-01
ES499893A0 ES499893A0 (es) 1982-02-01

Family

ID=22420746

Family Applications (1)

Application Number Title Priority Date Filing Date
ES499893A Granted ES499893A0 (es) 1980-02-28 1981-02-27 Perfeccionamientos en circuitos de salida de potencia

Country Status (11)

Country Link
US (1) US4322770A (es)
JP (1) JPS56134809A (es)
KR (1) KR830005757A (es)
CA (1) CA1162239A (es)
DE (1) DE3107536C2 (es)
ES (1) ES499893A0 (es)
FI (1) FI810528L (es)
FR (1) FR2477338A1 (es)
GB (1) GB2070876B (es)
IT (1) IT1135577B (es)
PL (1) PL229829A1 (es)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58151814A (ja) * 1982-03-04 1983-09-09 株式会社東芝 過電流保護回路付きｈスイツチ回路
US4594633A (en) * 1983-07-07 1986-06-10 Motorola, Inc. Integrated circuit protection circuit
US4581673A (en) * 1984-02-02 1986-04-08 Motorola, Inc. Apparatus and method for protection and recovery from latch-up of integrated circuits
US4691262A (en) * 1985-04-03 1987-09-01 Sprague Electric Company Circuit for protecting a power transistor against a short-circuited load
US4791521A (en) * 1987-04-07 1988-12-13 Western Digital Corporation Method and apparatus for reducing transient noise by premagnetization of parasitic inductance
US5142171A (en) * 1988-04-05 1992-08-25 Hitachi, Ltd. Integrated circuit for high side driving of an inductive load
IT1230289B (it) * 1989-06-15 1991-10-18 Sgs Thomson Microelectronics Dispositivo di protezione contro le sovratensioni per circuiti elettronici integrati, particolarmente per applicazioni in campo automobilistico.
US5138516A (en) * 1990-03-26 1992-08-11 Motorola, Inc. Fault sensing and driving system for output driver device
US5039952A (en) * 1990-04-20 1991-08-13 International Business Machines Corp. Electronic gain cell
US5543747A (en) * 1993-12-27 1996-08-06 Nippondenso Co., Ltd. Bipolar integrated device having parasitic current detector
US7554409B1 (en) 2007-09-27 2009-06-30 Cirrus Logic, Inc. Over-current protection circuit and method for protecting switching power amplifier circuits
US7570118B1 (en) 2007-09-27 2009-08-04 Cirrus Logic, Inc. Thermal overload protection circuit and method for protecting switching power amplifier circuits
US7554399B1 (en) * 2007-09-27 2009-06-30 Cirrus Logic, Inc. Protection circuit and method for protecting switching power amplifier circuits during reset
JP5599684B2 (ja) * 2010-09-22 2014-10-01 ラピスセミコンダクタ株式会社 信号増幅装置、ブリッジ接続型信号増幅装置、信号出力装置、ラッチアップ阻止方法、及びプログラム
JP5766992B2 (ja) * 2011-03-24 2015-08-19 トランスフォーム・ジャパン株式会社 スイッチング回路装置

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3015781A (en) * 1957-10-30 1962-01-02 Eklov David Device for the protection of electrical apparatus against excess voltage
US3390346A (en) * 1964-08-31 1968-06-25 Rca Corp Transistor protection circuit
DE1247404B (de) * 1965-05-26 1967-08-17 Int Standard Electric Corp Schaltungsanordnung zum Schutz von Leistungsendstufen gegen Stoerspannungen oder zurUEberwachung von Spannungspruengen
DE1287144B (de) * 1967-07-28 1969-01-16 Telefunken Patent Ausgangsseitige UEberlastungsschutzeinrichtung fuer mehrstufige, transistorisierte Verstaerker, insbesondere Traegerfrequenz-Leitungsverstaerker
US3522480A (en) * 1968-02-02 1970-08-04 Us Navy Protection circuit for power transistor
GB1306330A (es) * 1971-10-07 1973-02-07
US4023074A (en) * 1975-11-21 1977-05-10 Electrohome Limited Loudspeaker protection network
DE2638177C2 (de) * 1976-08-25 1985-10-24 Robert Bosch Gmbh, 7000 Stuttgart Schutzvorrichtung gegen Spannungsumpolung und Überspannungen für eine Halbleiterschaltung
US4158178A (en) * 1978-05-15 1979-06-12 Rca Corporation Anti-latch circuit for amplifier stage including bipolar and field-effect transistors
GB2049330B (en) * 1979-05-02 1983-05-18 Rca Corp Antilatch circuit for power output devices using inductive loads

Also Published As

Publication number Publication date
DE3107536C2 (de) 1984-10-11
US4322770A (en) 1982-03-30
PL229829A1 (es) 1981-11-27
FR2477338B1 (es) 1984-04-20
ES499893A0 (es) 1982-02-01
DE3107536A1 (de) 1981-12-03
JPS56134809A (en) 1981-10-21
GB2070876A (en) 1981-09-09
IT1135577B (it) 1986-08-27
FI810528L (fi) 1981-08-29
CA1162239A (en) 1984-02-14
FR2477338A1 (fr) 1981-09-04
KR830005757A (ko) 1983-09-09
GB2070876B (en) 1983-11-16
IT8119906A0 (it) 1981-02-20

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