ES8202997A1 - Perfeccionamientos en circuitos de salida de potencia - Google Patents
Perfeccionamientos en circuitos de salida de potenciaInfo
- 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
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)
- Bipolar Integrated Circuits (AREA)
- Dc-Dc Converters (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).
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)
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 |
US7554399B1 (en) * | 2007-09-27 | 2009-06-30 | Cirrus Logic, Inc. | Protection circuit and method for protecting switching power amplifier circuits during reset |
US7570118B1 (en) | 2007-09-27 | 2009-08-04 | Cirrus Logic, Inc. | Thermal overload protection circuit and method for protecting switching power amplifier circuits |
US7554409B1 (en) | 2007-09-27 | 2009-06-30 | Cirrus Logic, Inc. | Over-current protection circuit and method for protecting switching power amplifier circuits |
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)
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 |
-
1980
- 1980-02-28 US US06/125,647 patent/US4322770A/en not_active Expired - Lifetime
-
1981
- 1981-02-13 CA CA000370818A patent/CA1162239A/en not_active Expired
- 1981-02-20 FI FI810528A patent/FI810528L/fi not_active Application Discontinuation
- 1981-02-20 IT IT19906/81A patent/IT1135577B/it active
- 1981-02-23 PL PL22982981A patent/PL229829A1/xx unknown
- 1981-02-25 GB GB8105882A patent/GB2070876B/en not_active Expired
- 1981-02-25 KR KR1019810000621A patent/KR830005757A/ko unknown
- 1981-02-27 FR FR8104009A patent/FR2477338A1/fr active Granted
- 1981-02-27 JP JP2931381A patent/JPS56134809A/ja active Pending
- 1981-02-27 DE DE3107536A patent/DE3107536C2/de not_active Expired
- 1981-02-27 ES ES499893A patent/ES499893A0/es active Granted
Also Published As
Publication number | Publication date |
---|---|
FI810528L (fi) | 1981-08-29 |
KR830005757A (ko) | 1983-09-09 |
CA1162239A (en) | 1984-02-14 |
IT8119906A0 (it) | 1981-02-20 |
DE3107536C2 (de) | 1984-10-11 |
US4322770A (en) | 1982-03-30 |
DE3107536A1 (de) | 1981-12-03 |
FR2477338A1 (fr) | 1981-09-04 |
PL229829A1 (es) | 1981-11-27 |
JPS56134809A (en) | 1981-10-21 |
IT1135577B (it) | 1986-08-27 |
GB2070876A (en) | 1981-09-09 |
FR2477338B1 (es) | 1984-04-20 |
ES499893A0 (es) | 1982-02-01 |
GB2070876B (en) | 1983-11-16 |
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