DE3854457D1 - Stromdetektoranordnung mit ferromagnetischem Magnetwiderstandselement. - Google Patents

Stromdetektoranordnung mit ferromagnetischem Magnetwiderstandselement.

Info

Publication number
DE3854457D1
DE3854457D1 DE3854457T DE3854457T DE3854457D1 DE 3854457 D1 DE3854457 D1 DE 3854457D1 DE 3854457 T DE3854457 T DE 3854457T DE 3854457 T DE3854457 T DE 3854457T DE 3854457 D1 DE3854457 D1 DE 3854457D1
Authority
DE
Germany
Prior art keywords
resistance element
current detector
magnetic resistance
detector arrangement
ferromagnetic magnetic
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 - Lifetime
Application number
DE3854457T
Other languages
English (en)
Other versions
DE3854457T2 (de
Inventor
Yoshimi Yoshino
Tatuya Kakehi
Hiroshi Sakurai
Kenichi Ao
Toshikazu Arasuna
Ichoroh Izawa
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.)
Denso Corp
Original Assignee
NipponDenso Co Ltd
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
Priority claimed from JP62175063A external-priority patent/JPS6418068A/ja
Priority claimed from JP62302706A external-priority patent/JP2712206B2/ja
Application filed by NipponDenso Co Ltd filed Critical NipponDenso Co Ltd
Publication of DE3854457D1 publication Critical patent/DE3854457D1/de
Application granted granted Critical
Publication of DE3854457T2 publication Critical patent/DE3854457T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R15/00—Details of measuring arrangements of the types provided for in groups G01R17/00 - G01R29/00, G01R33/00 - G01R33/26 or G01R35/00
    • G01R15/14—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks
    • G01R15/20—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using galvano-magnetic devices, e.g. Hall-effect devices, i.e. measuring a magnetic field via the interaction between a current and a magnetic field, e.g. magneto resistive or Hall effect devices
    • G01R15/205—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using galvano-magnetic devices, e.g. Hall-effect devices, i.e. measuring a magnetic field via the interaction between a current and a magnetic field, e.g. magneto resistive or Hall effect devices using magneto-resistance devices, e.g. field plates
    • 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
    • G01R17/10—AC or DC measuring bridges
    • G01R17/105—AC or DC measuring bridges for measuring impedance or resistance

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
  • Hall/Mr Elements (AREA)
DE3854457T 1987-07-07 1988-07-06 Stromdetektoranordnung mit ferromagnetischem Magnetwiderstandselement. Expired - Lifetime DE3854457T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP16896787 1987-07-07
JP62175063A JPS6418068A (en) 1987-07-14 1987-07-14 Detecting device of current
JP62302706A JP2712206B2 (ja) 1987-11-30 1987-11-30 電流検出装置

Publications (2)

Publication Number Publication Date
DE3854457D1 true DE3854457D1 (de) 1995-10-19
DE3854457T2 DE3854457T2 (de) 1996-02-29

Family

ID=27323099

Family Applications (1)

Application Number Title Priority Date Filing Date
DE3854457T Expired - Lifetime DE3854457T2 (de) 1987-07-07 1988-07-06 Stromdetektoranordnung mit ferromagnetischem Magnetwiderstandselement.

Country Status (3)

Country Link
US (1) US4937521A (de)
EP (1) EP0300635B1 (de)
DE (1) DE3854457T2 (de)

Families Citing this family (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5262666A (en) * 1989-05-15 1993-11-16 Nippondenso Co., Ltd. Semiconductor device with a nickel alloy protective resistor
JPH0390872A (ja) * 1989-09-01 1991-04-16 Toshiba Corp 半導体装置
US5216405A (en) * 1991-01-14 1993-06-01 General Motors Corporation Package for the magnetic field sensitive device
DE4121374C2 (de) * 1991-06-28 2000-09-07 Lust Electronic Systeme Gmbh Kompensierter Magnetfeldsensor
JPH05126865A (ja) * 1991-10-22 1993-05-21 Hitachi Ltd 電流検出装置あるいは電流検出方法
US5422566A (en) * 1993-06-01 1995-06-06 Westinghouse Electric Corporation Apparatus and method for sensing DC current in a conductor
FR2710753B1 (fr) * 1993-09-27 1995-10-27 Commissariat Energie Atomique Capteur de courant comprenant un ruban magnétorésistif et son procédé de réalisation.
FR2725029A1 (fr) * 1994-09-26 1996-03-29 Crouzet Automatismes Capteur de courant a magnetoresistance
US5717327A (en) * 1995-09-22 1998-02-10 Bradford; Melvin J. Current sensor
US6392400B1 (en) * 1998-10-08 2002-05-21 Schlumberger Resource Management Services High linearity, low offset interface for Hall effect devices
DE10013345B4 (de) 2000-03-17 2004-08-26 Sauer-Danfoss Holding Aps Einrichtung zum Messen eines durch eine Leiterbahn fließenden elektrischen Stroms und deren Anwendung
DE10127754B4 (de) * 2001-06-07 2014-11-20 Robert Bosch Gmbh Magnetoresistive Schichtanordnung
US6949927B2 (en) 2001-08-27 2005-09-27 International Rectifier Corporation Magnetoresistive magnetic field sensors and motor control devices using same
US7259545B2 (en) * 2003-02-11 2007-08-21 Allegro Microsystems, Inc. Integrated sensor
US7239123B2 (en) * 2003-10-09 2007-07-03 Hewlett-Packard Development Company, L.P. Multiplexed dual-purpose magnetoresistive sensor and method of measuring current and temperature
US20050225282A1 (en) * 2004-04-13 2005-10-13 Scott Dewey Giant magnetoresistive cell monitoring
US7777607B2 (en) * 2004-10-12 2010-08-17 Allegro Microsystems, Inc. Resistor having a predetermined temperature coefficient
US7768083B2 (en) 2006-01-20 2010-08-03 Allegro Microsystems, Inc. Arrangements for an integrated sensor
US7528592B2 (en) * 2006-05-31 2009-05-05 Caterpillar Inc. Magnetoresistive sensor for current sensing
US7388372B2 (en) * 2006-05-31 2008-06-17 Caterpillar Inc. Electrical system with magnetoresistive sensors
US7795862B2 (en) 2007-10-22 2010-09-14 Allegro Microsystems, Inc. Matching of GMR sensors in a bridge
JP2009229112A (ja) * 2008-03-19 2009-10-08 Tdk Corp 電圧検出回路
US7816905B2 (en) * 2008-06-02 2010-10-19 Allegro Microsystems, Inc. Arrangements for a current sensing circuit and integrated current sensor
US8994370B2 (en) * 2010-07-30 2015-03-31 Peugeot Citroën Automobiles SA Magnetoresistor integrated sensor for measuring voltage or current, and diagnostic system
TWI428611B (zh) * 2010-09-10 2014-03-01 Ind Tech Res Inst 零偏壓式功率偵測器
JP5794777B2 (ja) 2010-12-22 2015-10-14 三菱電機株式会社 半導体装置
JP5540299B2 (ja) 2011-01-11 2014-07-02 アルプス・グリーンデバイス株式会社 電流センサ
CH708052B1 (de) * 2013-05-07 2016-09-15 Melexis Technologies Nv Vorrichtung zur Strommessung.
US9581620B2 (en) * 2014-02-06 2017-02-28 Stmicroelectronics S.R.L. Integrated semiconductor device comprising a hall effect current sensor
US9958482B1 (en) * 2016-12-20 2018-05-01 Allegro Microsystems, Llc Systems and methods for a high isolation current sensor
US10935612B2 (en) 2018-08-20 2021-03-02 Allegro Microsystems, Llc Current sensor having multiple sensitivity ranges
US11187764B2 (en) 2020-03-20 2021-11-30 Allegro Microsystems, Llc Layout of magnetoresistance element
US11567108B2 (en) 2021-03-31 2023-01-31 Allegro Microsystems, Llc Multi-gain channels for multi-range sensor
US11994541B2 (en) 2022-04-15 2024-05-28 Allegro Microsystems, Llc Current sensor assemblies for low currents

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4024489A (en) * 1975-11-18 1977-05-17 International Business Machines Corporation Magnetoresistive sandwich including sensor electrically parallel with electrical shunt and magnetic biasing layers
JPS6046386B2 (ja) * 1977-03-25 1985-10-15 日本電気株式会社 電流検出器
FR2458817A1 (fr) * 1979-06-06 1981-01-02 Commissariat Energie Atomique Procede de surveillance de l'etat instantane d'un circuit electrique et notamment de detection d'une rupture de ce circuit
CH651151A5 (de) * 1979-11-27 1985-08-30 Landis & Gyr Ag Messwandler zum messen eines insbesondere von einem messstrom erzeugten magnetfeldes.
US4528502A (en) * 1982-10-01 1985-07-09 General Electric Company Current sensor
JPS6180074A (ja) * 1984-09-28 1986-04-23 Toshiba Corp 電流検出用端子付き磁気センサ
JPS61225661A (ja) * 1985-03-29 1986-10-07 Mitsubishi Electric Corp 電流センサ

Also Published As

Publication number Publication date
EP0300635B1 (de) 1995-09-13
EP0300635A1 (de) 1989-01-25
US4937521A (en) 1990-06-26
DE3854457T2 (de) 1996-02-29

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Legal Events

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8364 No opposition during term of opposition
8320 Willingness to grant licences declared (paragraph 23)