IT1197307B - Transistore di potenza con comportamento migliorato e autoprotetto nei confronti della rottura secondaria diretta - Google Patents
Transistore di potenza con comportamento migliorato e autoprotetto nei confronti della rottura secondaria direttaInfo
- Publication number
- IT1197307B IT1197307B IT21855/86A IT2185586A IT1197307B IT 1197307 B IT1197307 B IT 1197307B IT 21855/86 A IT21855/86 A IT 21855/86A IT 2185586 A IT2185586 A IT 2185586A IT 1197307 B IT1197307 B IT 1197307B
- Authority
- IT
- Italy
- Prior art keywords
- protected
- self
- improved
- power transistor
- against direct
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/20—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for electronic equipment
- H02H7/205—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for electronic equipment for controlled semi-conductors which are not included in a specific circuit arrangement
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H9/00—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection
- H02H9/02—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess current
-
- 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
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT21855/86A IT1197307B (it) | 1986-09-30 | 1986-09-30 | Transistore di potenza con comportamento migliorato e autoprotetto nei confronti della rottura secondaria diretta |
EP87113758A EP0263343B1 (en) | 1986-09-30 | 1987-09-21 | Power transistor with self-protection against direct secondary breakdown |
DE8787113758T DE3784827T2 (de) | 1986-09-30 | 1987-09-21 | Leistungstransistor mit selbstschutz gegen sekundaerdurchschlag. |
US07/099,356 US4821136A (en) | 1986-09-30 | 1987-09-21 | Power transistor with self-protection against direct secondary breakdown |
JP62245688A JP2627511B2 (ja) | 1986-09-30 | 1987-09-29 | 電力トランジスタ |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT21855/86A IT1197307B (it) | 1986-09-30 | 1986-09-30 | Transistore di potenza con comportamento migliorato e autoprotetto nei confronti della rottura secondaria diretta |
Publications (3)
Publication Number | Publication Date |
---|---|
IT8621855A0 IT8621855A0 (it) | 1986-09-30 |
IT8621855A1 IT8621855A1 (it) | 1988-03-30 |
IT1197307B true IT1197307B (it) | 1988-11-30 |
Family
ID=11187807
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT21855/86A IT1197307B (it) | 1986-09-30 | 1986-09-30 | Transistore di potenza con comportamento migliorato e autoprotetto nei confronti della rottura secondaria diretta |
Country Status (5)
Country | Link |
---|---|
US (1) | US4821136A (it) |
EP (1) | EP0263343B1 (it) |
JP (1) | JP2627511B2 (it) |
DE (1) | DE3784827T2 (it) |
IT (1) | IT1197307B (it) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5261025A (en) * | 1989-01-19 | 1993-11-09 | Curtis Instruments, Inc. | Method and apparatus for DC motor speed control |
DE58907001D1 (de) * | 1989-04-20 | 1994-03-24 | Siemens Ag | Schaltungsanordnung zur Temperaturüberwachung von in einem Halbleiterschaltkreis integrierten Leistungsschalttransistoren. |
GB2283622B (en) * | 1993-11-03 | 1998-01-14 | Plessey Semiconductors Ltd | Overvoltage protection circuit |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5423548B2 (it) * | 1973-10-23 | 1979-08-14 | ||
US3924158A (en) * | 1974-10-24 | 1975-12-02 | Hughes Aircraft Co | Electronic overload protection device |
SE409789B (sv) * | 1978-01-10 | 1979-09-03 | Ericsson Telefon Ab L M | Overstromsskyddad transistor |
GB2020504B (en) * | 1978-05-05 | 1982-06-09 | Lucas Industries Ltd | Transistor protection circuits |
JPS56143706A (en) * | 1980-04-09 | 1981-11-09 | Mitsubishi Electric Corp | Protective device for transistor |
JPS5779719A (en) * | 1980-11-05 | 1982-05-19 | Hitachi Ltd | Audio amplifier |
DE3202319A1 (de) * | 1982-01-26 | 1983-07-28 | Siemens AG, 1000 Berlin und 8000 München | Schutzschaltung fuer einen leistungstransistor |
DE3309492A1 (de) * | 1983-03-14 | 1984-09-20 | Siemens AG, 1000 Berlin und 8000 München | Anordnung mit einem schalttransistor |
IT1213171B (it) * | 1984-05-21 | 1989-12-14 | Ates Componenti Elettron | Transistore bipolare di potenza. |
IT1215230B (it) * | 1985-01-08 | 1990-01-31 | Ates Componenti Elettron | Diretta. dispositivo a semiconduttore integrato con drastica riduzione dei fenomeni di rottura secondaria |
-
1986
- 1986-09-30 IT IT21855/86A patent/IT1197307B/it active
-
1987
- 1987-09-21 EP EP87113758A patent/EP0263343B1/en not_active Expired - Lifetime
- 1987-09-21 DE DE8787113758T patent/DE3784827T2/de not_active Expired - Fee Related
- 1987-09-21 US US07/099,356 patent/US4821136A/en not_active Expired - Lifetime
- 1987-09-29 JP JP62245688A patent/JP2627511B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JP2627511B2 (ja) | 1997-07-09 |
IT8621855A0 (it) | 1986-09-30 |
EP0263343A2 (en) | 1988-04-13 |
EP0263343A3 (en) | 1989-10-11 |
JPS6394708A (ja) | 1988-04-25 |
IT8621855A1 (it) | 1988-03-30 |
DE3784827D1 (de) | 1993-04-22 |
US4821136A (en) | 1989-04-11 |
DE3784827T2 (de) | 1993-06-24 |
EP0263343B1 (en) | 1993-03-17 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
TA | Fee payment date (situation as of event date), data collected since 19931001 |
Effective date: 19970929 |