DE69421083D1 - Schutzschaltung und Verfahren für Leistungstransistor sowie diese verwendender Spannungsregler - Google Patents
Schutzschaltung und Verfahren für Leistungstransistor sowie diese verwendender SpannungsreglerInfo
- Publication number
- DE69421083D1 DE69421083D1 DE69421083T DE69421083T DE69421083D1 DE 69421083 D1 DE69421083 D1 DE 69421083D1 DE 69421083 T DE69421083 T DE 69421083T DE 69421083 T DE69421083 T DE 69421083T DE 69421083 D1 DE69421083 D1 DE 69421083D1
- Authority
- DE
- Germany
- Prior art keywords
- same
- protection circuit
- voltage regulator
- power transistor
- transistor
- 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
Links
Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
- G05F1/00—Automatic systems in which deviations of an electric quantity from one or more predetermined values are detected at the output of the system and fed back to a device within the system to restore the detected quantity to its predetermined value or values, i.e. retroactive systems
- G05F1/10—Regulating voltage or current
- G05F1/46—Regulating voltage or current wherein the variable actually regulated by the final control device is dc
- G05F1/56—Regulating voltage or current wherein the variable actually regulated by the final control device is dc using semiconductor devices in series with the load as final control devices
- G05F1/565—Regulating voltage or current wherein the variable actually regulated by the final control device is dc using semiconductor devices in series with the load as final control devices sensing a condition of the system or its load in addition to means responsive to deviations in the output of the system, e.g. current, voltage, power factor
- G05F1/569—Regulating voltage or current wherein the variable actually regulated by the final control device is dc using semiconductor devices in series with the load as final control devices sensing a condition of the system or its load in addition to means responsive to deviations in the output of the system, e.g. current, voltage, power factor for protection
- G05F1/573—Regulating voltage or current wherein the variable actually regulated by the final control device is dc using semiconductor devices in series with the load as final control devices sensing a condition of the system or its load in addition to means responsive to deviations in the output of the system, e.g. current, voltage, power factor for protection with overcurrent detector
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Automation & Control Theory (AREA)
- Amplifiers (AREA)
- Semiconductor Integrated Circuits (AREA)
- Insulated Gate Type Field-Effect Transistor (AREA)
- Protection Of Static Devices (AREA)
- Electronic Switches (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP94830535A EP0713163B1 (de) | 1994-11-17 | 1994-11-17 | Schutzschaltung und Verfahren für Leistungstransistor sowie diese verwendender Spannungsregler |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69421083D1 true DE69421083D1 (de) | 1999-11-11 |
DE69421083T2 DE69421083T2 (de) | 2000-03-16 |
Family
ID=8218575
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69421083T Expired - Fee Related DE69421083T2 (de) | 1994-11-17 | 1994-11-17 | Schutzschaltung und Verfahren für Leistungstransistor sowie diese verwendender Spannungsregler |
Country Status (4)
Country | Link |
---|---|
US (1) | US5789971A (de) |
EP (1) | EP0713163B1 (de) |
JP (1) | JPH08279737A (de) |
DE (1) | DE69421083T2 (de) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH11112313A (ja) * | 1997-10-02 | 1999-04-23 | Mitsubishi Electric Corp | 半導体回路及びパワートランジスタ保護回路 |
JP3164065B2 (ja) * | 1998-06-24 | 2001-05-08 | 日本電気株式会社 | 半導体装置 |
JP2000196435A (ja) * | 1998-12-25 | 2000-07-14 | Nec Corp | 出力バッファ回路 |
US7173405B2 (en) * | 2003-07-10 | 2007-02-06 | Atmel Corporation | Method and apparatus for current limitation in voltage regulators with improved circuitry for providing a control voltage |
ITTO20030533A1 (it) * | 2003-07-10 | 2005-01-11 | Atmel Corp | Procedimento e circuito per la limitazione di corrente in |
TWI270086B (en) * | 2005-06-29 | 2007-01-01 | Leadtrend Tech Corp | Protection circuit of memory module and method thereof |
WO2007084496A2 (en) * | 2006-01-17 | 2007-07-26 | Broadcom Corporation | Power over ethernet controller integrated circuit architecture |
US7816897B2 (en) * | 2006-03-10 | 2010-10-19 | Standard Microsystems Corporation | Current limiting circuit |
TW200836474A (en) * | 2007-02-27 | 2008-09-01 | Advanced Analog Technology Inc | Power transistor circuit with high-voltage endurance and method thereof |
US7679878B2 (en) * | 2007-12-21 | 2010-03-16 | Broadcom Corporation | Capacitor sharing surge protection circuit |
KR101537534B1 (ko) * | 2008-12-31 | 2015-07-17 | 주식회사 동부하이텍 | 전류 감지 회로 |
WO2014013287A1 (en) * | 2012-07-19 | 2014-01-23 | Freescale Semiconductor, Inc. | Linear voltage regulator device and electronic device |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4021701A (en) * | 1975-12-08 | 1977-05-03 | Motorola, Inc. | Transistor protection circuit |
JPS5510208A (en) * | 1978-07-07 | 1980-01-24 | Hitachi Ltd | Aso protection circuit |
DE3150398C2 (de) * | 1981-12-16 | 1985-08-29 | Siemens AG, 1000 Berlin und 8000 München | Eigensichere Stromversorgungseinrichtung mit einem im Primärkreis eines Transformators angeordneten steuerbaren Halbleiter |
IT1185878B (it) * | 1985-08-09 | 1987-11-18 | Sgs Microelettronica Spa | Circuito antisaturazione per transistore pnp integrato con caratteristica di intervento definibile secondo una funzione prefissata |
JPH07113861B2 (ja) * | 1988-01-29 | 1995-12-06 | 株式会社日立製作所 | 半導体素子の状態検出及び保護回路とそれを用いたインバータ回路 |
US4972136A (en) * | 1989-11-07 | 1990-11-20 | The United States Of America As Represented By The Secretary Of The Navy | Linear power regulator with current limiting and thermal shutdown and recycle |
JPH05315852A (ja) * | 1992-05-12 | 1993-11-26 | Fuji Electric Co Ltd | 電流制限回路および電流制限回路用定電圧源 |
JP2999887B2 (ja) * | 1992-10-09 | 2000-01-17 | 三菱電機株式会社 | Igbtの過電流保護回路及び半導体集積回路装置 |
JP2925422B2 (ja) * | 1993-03-12 | 1999-07-28 | 株式会社東芝 | 半導体集積回路 |
US5570060A (en) * | 1995-03-28 | 1996-10-29 | Sgs-Thomson Microelectronics, Inc. | Circuit for limiting the current in a power transistor |
-
1994
- 1994-11-17 EP EP94830535A patent/EP0713163B1/de not_active Expired - Lifetime
- 1994-11-17 DE DE69421083T patent/DE69421083T2/de not_active Expired - Fee Related
-
1995
- 1995-11-16 JP JP7298606A patent/JPH08279737A/ja active Pending
- 1995-11-17 US US08/560,001 patent/US5789971A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JPH08279737A (ja) | 1996-10-22 |
DE69421083T2 (de) | 2000-03-16 |
EP0713163A1 (de) | 1996-05-22 |
US5789971A (en) | 1998-08-04 |
EP0713163B1 (de) | 1999-10-06 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |