JP2000509933A - 短絡検出器を有するパワーデバイス - Google Patents
短絡検出器を有するパワーデバイスInfo
- Publication number
- JP2000509933A JP2000509933A JP10529235A JP52923598A JP2000509933A JP 2000509933 A JP2000509933 A JP 2000509933A JP 10529235 A JP10529235 A JP 10529235A JP 52923598 A JP52923598 A JP 52923598A JP 2000509933 A JP2000509933 A JP 2000509933A
- Authority
- JP
- Japan
- Prior art keywords
- voltage
- circuit
- return
- load
- power
- 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.)
- Granted
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
- H03K17/082—Modifications for protecting switching circuit against overcurrent or overvoltage by feedback from the output to the control circuit
- H03K17/0822—Modifications for protecting switching circuit against overcurrent or overvoltage by feedback from the output to the control circuit in field-effect transistor switches
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/40—Testing power supplies
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/005—Testing of electric installations on transport means
- G01R31/006—Testing of electric installations on transport means on road vehicles, e.g. automobiles or trucks
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Electronic Switches (AREA)
- Semiconductor Integrated Circuits (AREA)
- Measurement Of Current Or Voltage (AREA)
- Metal-Oxide And Bipolar Metal-Oxide Semiconductor Integrated Circuits (AREA)
Abstract
Description
Claims (1)
- 【特許請求の範囲】 1.給電線と帰線との間における負荷と直列のパワー半導体デバイス及び前記負 荷が短絡しているかどうかを確かめる短絡検出器を具えており、回路の作動中 に給電線と帰線との間に対帰線供給電圧を供給するパワーデバイス回路におい て、前記短絡検出器に比較器を設けることにより前記デバイスと前記負荷との 間の対帰線供給電圧の配分量を検査し、前記比較器が前記デバイスと前記負荷 との間の直列ノードに結合された第1入力端子及び前記給電線と前記帰線との 間に結合されて、前記対帰線供給電圧の予定関数である電圧供給信号を供給す る回路手段からの第2入力端子を有し、前記直列ノードにおける電圧を前記対 帰線供給電圧の予定関数と比較することによって、短絡があるか、ないかを示 す出力信号を前記比較器が供給するようにしたことを特徴とするパワーデバイ ス回路。 2.前記回路手段によって取り出される対帰線供給電圧の予定関数の電圧が、低 い値の対帰線供給電圧におけるよりも高い値の対帰線供給電圧にて低い割合の 対帰線供給電圧を前記比較器へ入力するように、対帰線供給電圧の大きさに応 じて変化するようにしたことを特徴とする請求の範囲1に記載のパワーデバイ ス回路。 3.前記回路手段が、前記給電線と前記帰線との間に直列に結合された第1及び 第2抵抗を有する抵抗分圧器を具え、前記第1抵抗と第2抵抗との間の直列ノ ードを前記比較器の第2入力端子に結合させて、前記対帰線供給電圧の予定少 量電圧分を前記比較器の第2入力端子へ供給するようにしたことを特徴とする 請求の範囲2に記載のパワーデバイス回路。 4.前記比較器の第1入力を前記デバイスと前記負荷との直列ノードから直接取 り出すようにしたことを特徴とする請求の範囲3に記載のパワーデバイス回路 。 5.前記回路手段が2つの並列アームを有する抵抗分圧器を具え、第1アームが 前記対帰線供給電圧の予定少量電圧分を供給すべく第1及び第2抵抗を具え、 且つ第2アームが前記給電線と前記デバイス及び負荷の直列ノードとの間に直 列に結合された第3及び第4抵抗を具え、該第3抵抗と第4抵抗との間の直列 ノードを前記比較器の第1入力端子に結合させたことを特徴とする請求の範囲 3に記載のパワーデバイス回路。 6.前記抵抗を、抵抗値が電圧に応じて増大するピンチ抵抗として、低い電圧値 におけるよりも高い電圧値にて低い割合の電圧が比較器へ入力されるようにし たことを特徴とする請求の範囲3〜5のいずれか一項に記載のパワーデバイス 回路。 7.前記各ピンチ抵抗が、上に横たわるプレートの下側からの空乏層と、反対導 電形の領域とのp−n接合個所における空乏層とによって空乏化される一導電 形の半導体抵抗領域を具えていることを特徴とする請求の範囲6に記載のパワ ーデバイス回路。 8.前記短絡検出器が、電流ミラー比較器の第1及び第2並列アームに電圧−電 流変換器を具え、前記第1アームを前記給電線と帰線との間に結合させると共 に、該第1アームに第1及び第2抵抗から成る抵抗分圧器を含め、前記第2ア ームを前記給電線と前記デバイス及び負荷の直列ノードとの間に結合させ、且 つ前記第1抵抗と第2抵抗との間の直列ノードに電圧リミッタを結合させて、 前記比較器に入力する前記対帰線供給電圧の予定関数の電圧を高い対帰線供給 電圧にて制限するようにしたことを特徴とする請求の範囲2に記載のパワーデ バイス回路。 9.前記短絡検出器を前記パワー半導体デバイスと一緒に半導体本体に集積化し たことを特徴とする請求の範囲1に記載のパワーデバイス回路。
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GBGB9703453.2A GB9703453D0 (en) | 1997-02-19 | 1997-02-19 | Power semiconductor devices |
GB9703453.2 | 1997-02-19 | ||
GBGB9716839.7A GB9716839D0 (en) | 1997-08-08 | 1997-08-08 | Power device with a short-circuit detector |
GB9716839.7 | 1997-08-08 | ||
PCT/IB1998/000138 WO1998037630A1 (en) | 1997-02-19 | 1998-02-02 | Power device with a short-circuit detector |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2000509933A true JP2000509933A (ja) | 2000-08-02 |
JP4256476B2 JP4256476B2 (ja) | 2009-04-22 |
Family
ID=26311023
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP52923598A Expired - Fee Related JP4256476B2 (ja) | 1997-02-19 | 1998-02-02 | 短絡検出器を有するパワーデバイス |
Country Status (6)
Country | Link |
---|---|
US (1) | US5942886A (ja) |
EP (1) | EP0904636B1 (ja) |
JP (1) | JP4256476B2 (ja) |
KR (1) | KR100510045B1 (ja) |
DE (1) | DE69815010T2 (ja) |
WO (1) | WO1998037630A1 (ja) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2005078929A1 (en) * | 2004-02-18 | 2005-08-25 | Ricoh Company, Ltd. | Power-supply apparatus |
WO2005119911A1 (ja) * | 2004-06-01 | 2005-12-15 | Thine Electronics, Inc. | 電源電圧監視回路及びそれを内蔵する電子機器 |
JP2008283498A (ja) * | 2007-05-10 | 2008-11-20 | Sharp Corp | 電流検出装置 |
JP2012156370A (ja) * | 2011-01-27 | 2012-08-16 | Denso Corp | 半導体装置 |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6396721B1 (en) * | 2000-02-03 | 2002-05-28 | Kabushiki Kaisha Toshiba | Power converter control device and power converter thereof |
DE10038221C2 (de) * | 2000-08-04 | 2002-06-06 | Infineon Technologies Ag | Überstromgeschützter Halbleiterleistungsschalter, insbesondere zum Schalten niederohmiger Lasten |
WO2002058208A2 (en) * | 2001-01-19 | 2002-07-25 | Primarion, Inc. | Microelectronic transient power generator for power system validation |
EP1538453A1 (de) * | 2003-12-02 | 2005-06-08 | Siemens Aktiengesellschaft | Vorrichtung und Verfahren zur Fehlerdiagnose an digitalen Ausgängen einer Steuerbaugruppe |
EP2382712A1 (en) * | 2009-01-28 | 2011-11-02 | Telefonaktiebolaget L M Ericsson (PUBL) | An electronic circuit breaker and a method of providing protection switching |
US20100265816A1 (en) * | 2009-04-17 | 2010-10-21 | American Superconductor Corporation | Monitoring switching networks |
DE102011076610A1 (de) | 2010-06-04 | 2011-12-08 | Denso Corporation | Stromsensor, inverterschaltung und diese aufweisende halbleitervorrichtung |
US10651642B2 (en) | 2017-10-05 | 2020-05-12 | International Business Machines Corporation | Techniques for monitoring passive elements in a system |
US11372056B2 (en) * | 2020-05-26 | 2022-06-28 | Sandisk Technologies Llc | Circuit for detecting pin-to-pin leaks of an integrated circuit package |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3712177A1 (de) * | 1987-04-10 | 1988-10-27 | Siemens Ag | Schaltungsanordnung zum ueberwachen eines stromkreises auf unterbrechung |
GB2207315B (en) * | 1987-06-08 | 1991-08-07 | Philips Electronic Associated | High voltage semiconductor with integrated low voltage circuitry |
DE58908719D1 (de) * | 1988-07-27 | 1995-01-19 | Siemens Ag | Schaltungsanordnung zum Erfassen des Kurzschlusses einer mit einem FET in Reihe liegenden Last. |
US5138516A (en) * | 1990-03-26 | 1992-08-11 | Motorola, Inc. | Fault sensing and driving system for output driver device |
US5844760A (en) * | 1991-03-22 | 1998-12-01 | Fuji Electric Co., Ltd. | Insulated-gate controlled semiconductor device |
JPH07220702A (ja) * | 1994-02-02 | 1995-08-18 | Nec Corp | 電池パック |
US5581433A (en) * | 1994-04-22 | 1996-12-03 | Unitrode Corporation | Electronic circuit breaker |
JP2914231B2 (ja) * | 1995-07-26 | 1999-06-28 | 日本電気株式会社 | 電流検出回路 |
-
1998
- 1998-02-02 EP EP98900653A patent/EP0904636B1/en not_active Expired - Lifetime
- 1998-02-02 JP JP52923598A patent/JP4256476B2/ja not_active Expired - Fee Related
- 1998-02-02 KR KR10-1998-0708380A patent/KR100510045B1/ko not_active IP Right Cessation
- 1998-02-02 DE DE69815010T patent/DE69815010T2/de not_active Expired - Lifetime
- 1998-02-02 WO PCT/IB1998/000138 patent/WO1998037630A1/en active IP Right Grant
- 1998-02-18 US US09/025,370 patent/US5942886A/en not_active Expired - Lifetime
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2005078929A1 (en) * | 2004-02-18 | 2005-08-25 | Ricoh Company, Ltd. | Power-supply apparatus |
KR100744593B1 (ko) * | 2004-02-18 | 2007-08-01 | 가부시키가이샤 리코 | 전원 공급 장치 |
US7538529B2 (en) | 2004-02-18 | 2009-05-26 | Ricoh Company, Ltd. | Power-supply apparatus |
WO2005119911A1 (ja) * | 2004-06-01 | 2005-12-15 | Thine Electronics, Inc. | 電源電圧監視回路及びそれを内蔵する電子機器 |
JP2008283498A (ja) * | 2007-05-10 | 2008-11-20 | Sharp Corp | 電流検出装置 |
JP2012156370A (ja) * | 2011-01-27 | 2012-08-16 | Denso Corp | 半導体装置 |
Also Published As
Publication number | Publication date |
---|---|
US5942886A (en) | 1999-08-24 |
KR20000064949A (ko) | 2000-11-06 |
DE69815010D1 (de) | 2003-07-03 |
JP4256476B2 (ja) | 2009-04-22 |
WO1998037630A1 (en) | 1998-08-27 |
DE69815010T2 (de) | 2004-02-12 |
EP0904636B1 (en) | 2003-05-28 |
EP0904636A1 (en) | 1999-03-31 |
KR100510045B1 (ko) | 2005-10-21 |
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