KR880008032A - 부하를 흐르는 전류의 선형 측정용 회로 - Google Patents
부하를 흐르는 전류의 선형 측정용 회로 Download PDFInfo
- Publication number
- KR880008032A KR880008032A KR870014344A KR870014344A KR880008032A KR 880008032 A KR880008032 A KR 880008032A KR 870014344 A KR870014344 A KR 870014344A KR 870014344 A KR870014344 A KR 870014344A KR 880008032 A KR880008032 A KR 880008032A
- Authority
- KR
- South Korea
- Prior art keywords
- circuit
- transistor
- load
- drain
- sensor
- Prior art date
Links
Classifications
-
- 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
-
- 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
- G01R19/0092—Arrangements for measuring currents or voltages or for indicating presence or sign thereof measuring current only
-
- 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
- G01R19/32—Compensating for temperature change
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Current Or Voltage (AREA)
- Amplifiers (AREA)
Abstract
내용 없음.
Description
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
첨부도면은 본 발명에 따른 전류의 선형측정을 위한 회로의 개략적 도면.
Claims (4)
- 전류센서(RN), 부하(RL)에 연결된 제1구동 트랜지스터(M1), 전술한 전류센서(RN)에 연결된 제2트랜지스터(M2)를 포함하며, 전술한 트랜지스터(M1, M2) 모두가 전계효과 트랜지스터이며 전류 거울구조로 상호 연결되는 부하 (RL)를 통해 흐르는 전류(IL)의 선현측정을 위한 회로(1)에 있어서, 상기 회로가 제1(M1)및 제2트랜지스터(M2)각각의 드레인 전극(D1, D2)에 전기적으로 연결된 전압조정기(2)를 포함하여 트랜지스터 어느것에도 같은 크기의 드레인/소스전압(VCS)을 유지시키도록 함을 특징으로 하는 회로.
- 제1항에 있어서, 전술한 전압조정기(2)가 전술한 제1 (M1)및 제2 트랜지스터(M2)의 드레인 전극에 각각 연결된 입력 및 전술한 회로센서를 통해 제2트랜지스터(M2)의 드레인 (D2)에 연결된 출력을 갖는 연산증폭기(A1)임을 특징으로 하는 회로.
- 제1항에 있어서, 전술한 회로센서가 저항기(RN)로 구성됨을 특징으로 하는 회로.
- 제1 또는 2항에 있어서, 전술한 증폭기(A1)의 역 입력이 제2트랜지스터(M2)의 전술한 드레인 전극(D2)에 연결됨을 특징으로 하는 회로.※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT8622732A IT1213415B (it) | 1986-12-17 | 1986-12-17 | Circuito per la misura lineare della corrente circolante su un carico. |
IT22732-A/86 | 1986-12-17 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR880008032A true KR880008032A (ko) | 1988-08-30 |
KR960005604B1 KR960005604B1 (ko) | 1996-04-26 |
Family
ID=11199791
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019870014344A KR960005604B1 (ko) | 1986-12-17 | 1987-12-15 | 부하를 흐르는 전류의 선형측정용 회로 |
Country Status (6)
Country | Link |
---|---|
US (1) | US4827207A (ko) |
EP (1) | EP0274995B1 (ko) |
JP (1) | JPS63167277A (ko) |
KR (1) | KR960005604B1 (ko) |
DE (1) | DE3789662T2 (ko) |
IT (1) | IT1213415B (ko) |
Families Citing this family (43)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6483156A (en) * | 1987-09-25 | 1989-03-28 | Hitachi Ltd | Detecting circuit of current |
US4820968A (en) * | 1988-07-27 | 1989-04-11 | Harris Corporation | Compensated current sensing circuit |
NL8900050A (nl) * | 1989-01-10 | 1990-08-01 | Philips Nv | Inrichting voor het meten van een ruststroom van een geintegreerde monolitische digitale schakeling, geintegreerde monolitische digitale schakeling voorzien van een dergelijke inrichting en testapparaat voorzien van een dergelijke inrichting. |
DE3905163A1 (de) * | 1989-02-20 | 1990-08-23 | Sick Optik Elektronik Erwin | Gleichstromhalbleiterschalter |
IT1228755B (it) * | 1989-03-28 | 1991-07-03 | Sgs Thomson Microelectronics | Circuito elettronico per la misura ed il controllo della corrente circolante su un carico elettrico induttivo. |
JPH079442B2 (ja) * | 1989-09-20 | 1995-02-01 | 株式会社東芝 | 電流検出回路 |
DE4101492A1 (de) * | 1991-01-19 | 1992-07-23 | Telefunken Electronic Gmbh | Stromdetektor |
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 |
US5285143A (en) * | 1991-08-06 | 1994-02-08 | International Business Machines Corporation | Measurement of load current in a multi-phase power amplifier |
US5323115A (en) * | 1992-05-05 | 1994-06-21 | Xerox Corporation | Electrostatic voltmeter producing a low voltage output |
US5270660A (en) * | 1992-05-05 | 1993-12-14 | Xerox Corporation | Electrostatic voltmeter employing high voltage integrated circuit devices |
GB2272300B (en) * | 1992-11-05 | 1995-12-13 | Smiths Industries Plc | Current measurement circuits |
GB9223219D0 (en) * | 1992-11-05 | 1992-12-16 | Smiths Industries Plc | Current measurement cricuits |
DE4338714C2 (de) * | 1993-11-12 | 2000-06-21 | Bosch Gmbh Robert | Schaltungsanordnung zur Strommessung über einen Schalttransistor |
JP3329541B2 (ja) * | 1993-11-30 | 2002-09-30 | 株式会社東芝 | モータ制御装置とモータ制御方法 |
US5656897A (en) * | 1994-09-30 | 1997-08-12 | Sgs-Thomson Microelectronics, Inc. | Current sensing and control in brushless DC motors |
US5488301A (en) * | 1994-12-19 | 1996-01-30 | Xerox Corporation | Electrostatic voltmeter employing a differential cascode |
DE19520735C2 (de) * | 1995-06-07 | 1999-07-01 | Siemens Ag | Schaltungsanordnung zum Erfassen des Laststroms eines Leistungs-Halbleiterbauelementes mit sourceseitiger Last |
FR2743635B1 (fr) * | 1996-01-11 | 1998-03-06 | Sgs Thomson Microelectronics | Circuit de mesure de courant |
SE518159C2 (sv) * | 1997-01-17 | 2002-09-03 | Ericsson Telefon Ab L M | Anordning för att bestämma storleken på en ström |
DE19838657B4 (de) * | 1998-08-25 | 2008-01-24 | Infineon Technologies Ag | Schaltungsanordnung zum Erfassen des Laststromes eines Leistungs-Feldeffekt-Halbleiterbauelementes |
DE69941250D1 (de) * | 1999-04-21 | 2009-09-24 | Em Microelectronic Marin Sa | Batterieschutzschaltung |
CA2305887A1 (en) | 1999-04-21 | 2000-10-21 | Arthur Descombes | Protective circuit for battery |
US6563080B2 (en) * | 2001-02-15 | 2003-05-13 | Scimed Life Systems, Inc. | Laser cutting of stents and other medical devices |
US6642738B2 (en) * | 2001-10-23 | 2003-11-04 | Fairchild Semiconductor Corporation | Method and apparatus for field-effect transistor current sensing using the voltage drop across drain to source resistance that eliminates dependencies on temperature of the field-effect transistor and/or statistical distribution of the initial value of drain to source resistance |
DE10219823B4 (de) * | 2002-05-03 | 2019-08-14 | Robert Bosch Gmbh | Messung des Erregerstroms mittels eines Referenztransistors |
EP1450168B1 (de) * | 2003-02-24 | 2007-08-01 | ELMOS Semiconductor AG | Elektrische Schaltung zum Treiben einer Last |
JP2005304210A (ja) * | 2004-04-14 | 2005-10-27 | Renesas Technology Corp | 電源ドライバ装置及びスイッチング電源装置 |
US7154291B2 (en) * | 2004-08-24 | 2006-12-26 | Delphi Technologies, Inc. | Measuring bi-directional current through a field-effect transistor by virtue of drain-to-source voltage measurement |
DE102004059960A1 (de) * | 2004-12-13 | 2006-06-22 | Bourns, Inc., Riverside | Schaltungsanordnung zur Messung eines elektrischen Stromes |
US7259553B2 (en) * | 2005-04-13 | 2007-08-21 | Sri International | System and method of magnetically sensing position of a moving component |
JP4716960B2 (ja) * | 2006-09-15 | 2011-07-06 | エヌ・ティ・ティ・データ先端技術株式会社 | 出力特性調整回路、電流計測回路及び集積回路素子 |
JP4679497B2 (ja) * | 2006-11-30 | 2011-04-27 | エヌ・ティ・ティ・データ先端技術株式会社 | 電流計測回路及び集積回路素子 |
JP4882710B2 (ja) * | 2006-12-04 | 2012-02-22 | 株式会社デンソー | 負荷駆動装置の故障検出装置および負荷駆動用ic |
JP2009075957A (ja) * | 2007-09-21 | 2009-04-09 | Renesas Technology Corp | 電源回路および半導体装置 |
JP4773411B2 (ja) * | 2007-09-26 | 2011-09-14 | ルネサスエレクトロニクス株式会社 | 電流検出回路および電流検出方法 |
US7679349B2 (en) * | 2008-03-03 | 2010-03-16 | Summit Microelectronics, Inc. | Switching systems and methods with current sensing |
KR100981732B1 (ko) * | 2008-09-01 | 2010-09-13 | 한국전자통신연구원 | 밴드갭 기준전압 발생기 |
WO2012137670A1 (ja) * | 2011-04-05 | 2012-10-11 | ルネサスエレクトロニクス株式会社 | 負荷電流検出回路 |
DE102015015479B3 (de) | 2015-11-28 | 2017-03-30 | Audi Ag | Schaltungsanordnung zum Ermitteln einer Stromstärke eines elektrischen Stroms |
US10156592B2 (en) | 2015-12-30 | 2018-12-18 | Nxp Usa, Inc. | Current sensing circuit and method |
US11499995B2 (en) | 2020-10-26 | 2022-11-15 | Analog Devices, Inc. | Leakage compensation technique for current sensor |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5463662A (en) * | 1977-10-28 | 1979-05-22 | Nec Corp | Current supply circuit |
NL8001492A (nl) * | 1980-03-13 | 1981-10-01 | Philips Nv | Stroomspiegelschakeling. |
US4319181A (en) * | 1980-12-24 | 1982-03-09 | Motorola, Inc. | Solid state current sensing circuit |
GB2149517B (en) * | 1983-10-21 | 1987-04-01 | Int Standard Electric Corp | Coupling circuit and associated current measuring devices |
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 |
US4642551A (en) * | 1985-10-22 | 1987-02-10 | Motorola, Inc. | Current to voltage converter circuit |
NL8503394A (nl) * | 1985-12-10 | 1987-07-01 | Philips Nv | Stroomaftastschakeling voor een vermogenshalfgeleiderinrichting, in het bijzonder geintegreerde intelligente vermogenshalfgeleiderschakelaar voor met name automobieltoepassingen. |
-
1986
- 1986-12-17 IT IT8622732A patent/IT1213415B/it active
-
1987
- 1987-12-04 US US07/131,351 patent/US4827207A/en not_active Expired - Lifetime
- 1987-12-14 EP EP87830433A patent/EP0274995B1/en not_active Expired - Lifetime
- 1987-12-14 DE DE3789662T patent/DE3789662T2/de not_active Expired - Fee Related
- 1987-12-15 KR KR1019870014344A patent/KR960005604B1/ko not_active IP Right Cessation
- 1987-12-17 JP JP62317675A patent/JPS63167277A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
KR960005604B1 (ko) | 1996-04-26 |
IT8622732A0 (it) | 1986-12-17 |
US4827207A (en) | 1989-05-02 |
DE3789662T2 (de) | 1994-08-25 |
EP0274995A1 (en) | 1988-07-20 |
DE3789662D1 (de) | 1994-05-26 |
JPS63167277A (ja) | 1988-07-11 |
EP0274995B1 (en) | 1994-04-20 |
IT1213415B (it) | 1989-12-20 |
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