DE68912016D1 - Kompensierte Strommessungsschaltung. - Google Patents

Kompensierte Strommessungsschaltung.

Info

Publication number
DE68912016D1
DE68912016D1 DE89307579T DE68912016T DE68912016D1 DE 68912016 D1 DE68912016 D1 DE 68912016D1 DE 89307579 T DE89307579 T DE 89307579T DE 68912016 T DE68912016 T DE 68912016T DE 68912016 D1 DE68912016 D1 DE 68912016D1
Authority
DE
Germany
Prior art keywords
current measurement
measurement circuit
compensated current
compensated
circuit
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
Application number
DE89307579T
Other languages
English (en)
Other versions
DE68912016T2 (de
Inventor
Robert Stephen Wrathal
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.)
General Electric Co
Original Assignee
General Electric Co
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 General Electric Co filed Critical General Electric Co
Application granted granted Critical
Publication of DE68912016D1 publication Critical patent/DE68912016D1/de
Publication of DE68912016T2 publication Critical patent/DE68912016T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R17/00—Measuring arrangements involving comparison with a reference value, e.g. bridge
    • G01R17/02—Arrangements in which the value to be measured is automatically compared with a reference value
    • G01R17/06—Automatic balancing arrangements
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
    • G01R19/165—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values
    • G01R19/16504—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values characterised by the components employed
    • G01R19/16519—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values characterised by the components employed using FET's
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
    • G05F3/00—Non-retroactive systems for regulating electric variables by using an uncontrolled element, or an uncontrolled combination of elements, such element or such combination having self-regulating properties
    • G05F3/02—Regulating voltage or current
    • G05F3/08—Regulating voltage or current wherein the variable is dc
    • G05F3/10—Regulating voltage or current wherein the variable is dc using uncontrolled devices with non-linear characteristics
    • G05F3/16—Regulating voltage or current wherein the variable is dc using uncontrolled devices with non-linear characteristics being semiconductor devices
    • G05F3/20—Regulating voltage or current wherein the variable is dc using uncontrolled devices with non-linear characteristics being semiconductor devices using diode- transistor combinations
    • G05F3/24—Regulating voltage or current wherein the variable is dc using uncontrolled devices with non-linear characteristics being semiconductor devices using diode- transistor combinations wherein the transistors are of the field-effect type only
DE68912016T 1988-07-27 1989-07-25 Kompensierte Strommessungsschaltung. Expired - Fee Related DE68912016T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/224,636 US4820968A (en) 1988-07-27 1988-07-27 Compensated current sensing circuit

Publications (2)

Publication Number Publication Date
DE68912016D1 true DE68912016D1 (de) 1994-02-17
DE68912016T2 DE68912016T2 (de) 1994-11-17

Family

ID=22841517

Family Applications (1)

Application Number Title Priority Date Filing Date
DE68912016T Expired - Fee Related DE68912016T2 (de) 1988-07-27 1989-07-25 Kompensierte Strommessungsschaltung.

Country Status (4)

Country Link
US (1) US4820968A (de)
EP (1) EP0353039B1 (de)
JP (1) JPH0278962A (de)
DE (1) DE68912016T2 (de)

Families Citing this family (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
JPH079442B2 (ja) * 1989-09-20 1995-02-01 株式会社東芝 電流検出回路
IT1238305B (it) * 1989-11-30 1993-07-12 Sgs Thomson Microelectronics "circuito di rilevamento della corrente in un transistore di potenza di tipo mos"
JPH082495B2 (ja) * 1989-12-25 1996-01-17 日立テクノエンジニアリング株式会社 ベーパーリフロー式はんだ付け方法及び同装置
US5134358A (en) * 1991-01-31 1992-07-28 Texas Instruments Incorporated Improved current mirror for sensing current
US5262713A (en) * 1991-01-31 1993-11-16 Texas Instruments Incorporated Current mirror for sensing current
US5159516A (en) * 1991-03-14 1992-10-27 Fuji Electric Co., Ltd. Overcurrent-detection circuit
US5285143A (en) * 1991-08-06 1994-02-08 International Business Machines Corporation Measurement of load current in a multi-phase power amplifier
US5543632A (en) * 1991-10-24 1996-08-06 International Business Machines Corporation Temperature monitoring pilot transistor
US5245261A (en) * 1991-10-24 1993-09-14 International Business Machines Corporation Temperature compensated overcurrent and undercurrent detector
US5237262A (en) * 1991-10-24 1993-08-17 International Business Machines Corporation Temperature compensated circuit for controlling load current
US5519310A (en) * 1993-09-23 1996-05-21 At&T Global Information Solutions Company Voltage-to-current converter without series sensing resistor
DE4335683A1 (de) * 1993-10-20 1995-04-27 Deutsche Aerospace Konstantstromquelle
US5646520A (en) * 1994-06-28 1997-07-08 National Semiconductor Corporation Methods and apparatus for sensing currents
US5757174A (en) * 1995-07-19 1998-05-26 Micro Linear Corporation Current sensing technique using MOS transistor scaling with matched current sources
GB2307753B (en) * 1995-11-29 1999-11-24 Sycopel Scient Ltd Method and apparatus for determining electrical impedance
US5867014A (en) * 1997-11-20 1999-02-02 Impala Linear Corporation Current sense circuit having multiple pilot and reference transistors
DE19918042C2 (de) * 1999-04-21 2001-05-31 Siemens Ag Schaltungsanordnung zur Unterstromerkennung an einem MOS-Leistungstransistor
US6400163B1 (en) 1999-09-08 2002-06-04 Rolf Melcher Circuit arrangement for monitoring an electronic switch controlling a load
EP1083658B1 (de) * 1999-09-08 2007-02-14 Rolf Dr.-Ing. Melcher Schaltungsanordnung zur Überwachung eines zum Steuern einer Last vorgesehenen elektronischen Schalters
JP3637848B2 (ja) 1999-09-30 2005-04-13 株式会社デンソー 負荷駆動回路
US6160387A (en) * 1999-12-08 2000-12-12 Motorola, Inc. Power transistor current sensing and limiting apparatus
US6166530A (en) * 2000-02-11 2000-12-26 Advanced Analogic Technologies, Inc. Current-Limited switch with fast transient response
US6465999B2 (en) 2000-02-11 2002-10-15 Advanced Analogic Technologies, Inc. Current-limited switch with fast transient response
US6304108B1 (en) 2000-07-14 2001-10-16 Micrel, Incorporated Reference-corrected ratiometric MOS current sensing circuit
DE10042585C1 (de) * 2000-08-30 2002-11-14 Infineon Technologies Ag Schaltungsanordnung zur Erfassung des Stromes in einem Lasttransistor
US6384636B1 (en) * 2000-11-14 2002-05-07 Maxim Integrated Products, Inc. Fast and precise current-sense circuit for high-voltage switch
DE10202769B4 (de) 2002-01-25 2019-02-14 Phoenix Contact Gmbh & Co. Kg Schaltungsanordnung für Stromquelle mit Unterbrechungserkennung
US7471074B2 (en) * 2004-10-29 2008-12-30 Silicon Laboratories Inc. Re-referencing a reference voltage
US7994766B2 (en) * 2008-05-30 2011-08-09 Freescale Semiconductor, Inc. Differential current sensor device and method
CN102768300A (zh) * 2012-07-31 2012-11-07 圣邦微电子（北京）股份有限公司 电流检测电路
DE102014001264B4 (de) * 2014-01-29 2016-12-08 Elmos Semiconductor Aktiengesellschaft Präzisionsstrombegrenzung und Überstromabschaltung zum Schutz eines monolithisch integrierten Treibers mittels einer adapiven Referenzerzeugung
CN105510686A (zh) * 2015-12-11 2016-04-20 谭焕玲 一种电流测量装置和方法
CN114594357A (zh) * 2020-12-03 2022-06-07 圣邦微电子（北京）股份有限公司 一种功率管的漏源电压检测电路和开关电路

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5463662A (en) * 1977-10-28 1979-05-22 Nec Corp Current supply circuit
US4283673A (en) * 1979-12-19 1981-08-11 Signetics Corporation Means for reducing current-gain modulation due to differences in collector-base voltages on a transistor pair
US4319181A (en) * 1980-12-24 1982-03-09 Motorola, Inc. Solid state current sensing circuit
US4553084A (en) * 1984-04-02 1985-11-12 Motorola, Inc. Current sensing circuit
US4599554A (en) * 1984-12-10 1986-07-08 Texet Corportion Vertical MOSFET with current monitor utilizing common drain current mirror
US4698582A (en) * 1986-07-23 1987-10-06 Motorola, Inc. Power driver having short circuit protection
US4769619A (en) * 1986-08-21 1988-09-06 Tektronix, Inc. Compensated current mirror
IT1213415B (it) * 1986-12-17 1989-12-20 Sgs Microelettronica Spa Circuito per la misura lineare della corrente circolante su un carico.

Also Published As

Publication number Publication date
EP0353039B1 (de) 1994-01-05
DE68912016T2 (de) 1994-11-17
JPH0278962A (ja) 1990-03-19
EP0353039A1 (de) 1990-01-31
US4820968A (en) 1989-04-11

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Legal Events

Date Code Title Description
8332 No legal effect for de
8328 Change in the person/name/address of the agent

Free format text: SIEB, R., DIPL.-CHEM. DR.RER.NAT., PAT.-ANW., 69514 LAUDENBACH

8370 Indication of lapse of patent is to be deleted
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee