JPWO2020040921A5 - - Google Patents

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JPWO2020040921A5
JPWO2020040921A5 JP2021509765A JP2021509765A JPWO2020040921A5 JP WO2020040921 A5 JPWO2020040921 A5 JP WO2020040921A5 JP 2021509765 A JP2021509765 A JP 2021509765A JP 2021509765 A JP2021509765 A JP 2021509765A JP WO2020040921 A5 JPWO2020040921 A5 JP WO2020040921A5
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magnetic field
current
sensor device
magnetoresistive elements
signal
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JP2021509765A
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JP2021534416A (ja
JP7434287B2 (ja
JP2021534416A5 (https=
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JP2021509765A 2018-08-20 2019-07-23 複数の感度範囲を有する電流センサ Active JP7434287B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US15/999,448 2018-08-20
US15/999,448 US10935612B2 (en) 2018-08-20 2018-08-20 Current sensor having multiple sensitivity ranges
PCT/US2019/042921 WO2020040921A1 (en) 2018-08-20 2019-07-23 Current sensor having multiple sensitivity ranges

Publications (4)

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JP2021534416A JP2021534416A (ja) 2021-12-09
JPWO2020040921A5 true JPWO2020040921A5 (https=) 2023-12-01
JP2021534416A5 JP2021534416A5 (https=) 2023-12-01
JP7434287B2 JP7434287B2 (ja) 2024-02-20

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JP2021509765A Active JP7434287B2 (ja) 2018-08-20 2019-07-23 複数の感度範囲を有する電流センサ

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US (1) US10935612B2 (https=)
EP (1) EP3821263B1 (https=)
JP (1) JP7434287B2 (https=)
KR (1) KR102704207B1 (https=)
WO (1) WO2020040921A1 (https=)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007052794A1 (ja) * 2005-11-04 2007-05-10 Nippon Soda Co., Ltd. オルト置換アニリン誘導体及び抗酸化薬
KR102562500B1 (ko) * 2018-07-20 2023-08-02 에이치엘만도 주식회사 연산 증폭기를 이용한 전류 측정 장치 및 방법
WO2021102446A1 (en) * 2019-11-24 2021-05-27 Purdue Research Foundation High accuracy non-invasive current sensor system
US11561112B2 (en) 2020-03-13 2023-01-24 Allegro Microsystems, Llc Current sensor having stray field immunity
US11226382B2 (en) 2020-04-07 2022-01-18 Allegro Microsystems, Llc Current sensor system
EP3974845B1 (en) * 2020-09-24 2025-12-03 Melexis Technologies SA Current sensor system
DE102020215410A1 (de) 2020-12-07 2022-06-09 Robert Bosch Gesellschaft mit beschränkter Haftung Stromstärkemessung
US11366141B1 (en) 2021-01-28 2022-06-21 Allegro Microsystems, Llc Multipath wide bandwidth current sensor
US11567108B2 (en) 2021-03-31 2023-01-31 Allegro Microsystems, Llc Multi-gain channels for multi-range sensor
US12352786B2 (en) 2021-09-07 2025-07-08 Allegro Microsystems, Llc Current sensor system
US11656250B2 (en) 2021-09-07 2023-05-23 Allegro Microsystems, Llc Current sensor system
US11892476B2 (en) 2022-02-15 2024-02-06 Allegro Microsystems, Llc Current sensor package
US12112865B2 (en) 2022-03-15 2024-10-08 Allegro Microsystems, Llc Multiple branch bus bar for coreless current sensing application
US11940470B2 (en) 2022-05-31 2024-03-26 Allegro Microsystems, Llc Current sensor system
US12306214B2 (en) 2022-12-15 2025-05-20 Infineon Technologies Ag Adjustable sensitivity ranges for magnetic field sensors
DE102022134015A1 (de) * 2022-12-20 2024-06-20 Sensitec Gmbh Stromsensoranordnung
EP4553507A3 (en) * 2022-12-28 2025-07-16 Melexis Technologies SA Current sensor for multiple currents
US12306223B2 (en) 2023-01-03 2025-05-20 Allegro Microsystems, Llc Sensor architecture for correcting thermally-induced linearity error
US12359904B2 (en) 2023-01-26 2025-07-15 Allegro Microsystems, Llc Method of manufacturing angle sensors including magnetoresistance elements including different types of antiferromagnetic materials
US12352832B2 (en) 2023-01-30 2025-07-08 Allegro Microsystems, Llc Reducing angle error in angle sensor due to orthogonality drift over magnetic-field
WO2025097093A1 (en) 2023-11-03 2025-05-08 Spindrift Innovations, LLC Differential dual sensor contactless magnetic-mode electrical current sensors with tamper detection
US12584947B2 (en) * 2023-11-03 2026-03-24 Spindrift Innovations, LLC Differential dual sensor contactless magnetic-mode electrical current sensors with tamper detection
US12510611B2 (en) 2023-11-07 2025-12-30 Allegro Microsystems, Llc TMR sensor having magnetic field generation for pillar stimulation
US12493057B2 (en) 2023-11-17 2025-12-09 Allegro Microsystems, Llc Current sensor integrated circuit
WO2025237819A1 (de) * 2024-05-17 2025-11-20 Robert Bosch Gmbh Magnetsensorvorrichtung und herstellungsverfahren für eine magnetsensorvorrichtung
CN119199637A (zh) * 2024-09-27 2024-12-27 珠海多创科技有限公司 电流测量方法、电流检测系统和电子设备

Family Cites Families (234)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS592657B2 (ja) 1976-07-26 1984-01-19 アイシン精機株式会社 アンチスキツド制御装置
US4283643A (en) 1979-05-25 1981-08-11 Electric Power Research Institute, Inc. Hall sensing apparatus
CH651151A5 (de) 1979-11-27 1985-08-30 Landis & Gyr Ag Messwandler zum messen eines insbesondere von einem messstrom erzeugten magnetfeldes.
JPS5687273A (en) 1979-12-17 1981-07-15 Sanyo Electric Co Ltd Automatic head leading device
US4343026A (en) 1980-07-09 1982-08-03 Spin Physics, Inc. Magnetoresistive head employing field feedback
JPS57105977A (en) 1980-12-23 1982-07-01 Toshiba Corp Air cell
CH651701A5 (de) 1980-12-24 1985-09-30 Landis & Gyr Ag Kompensierter messwandler.
CH651671A5 (de) 1980-12-24 1985-09-30 Landis & Gyr Ag Anordnung zur messung elektrischer leistung oder energie.
JPS57187671A (en) 1981-05-15 1982-11-18 Nec Corp Magnetism sensor
JPS58155761A (ja) 1982-03-10 1983-09-16 Sharp Corp ホ−ル効果半導体集積回路
DE3426784A1 (de) 1984-07-20 1986-01-30 Bosch Gmbh Robert Magnetoresistiver sensor zur abgabe von elektrischen signalen
CA1248222A (en) 1984-08-27 1989-01-03 Yutaka Souda Magnetic transducer head utilizing magnetoresistance effect
DE3632624C1 (de) 1986-09-25 1988-03-10 Balluff Gebhard Feinmech Stoerfeldunempfindlicher Naeherungsschalter
CH669852A5 (https=) 1986-12-12 1989-04-14 Lem Liaisons Electron Mec
JPS63150384A (ja) 1986-12-15 1988-06-23 Hitachi Ltd 潤滑剤
US4772929A (en) 1987-01-09 1988-09-20 Sprague Electric Company Hall sensor with integrated pole pieces
KR910004261B1 (ko) 1987-04-09 1991-06-25 후지쓰 가부시끼가이샤 자전 변환 소자를 이용한 검지기
JPS63263782A (ja) 1987-04-22 1988-10-31 Hitachi Ltd 磁電変換素子
DE3854457T2 (de) 1987-07-07 1996-02-29 Nippon Denso Co Stromdetektoranordnung mit ferromagnetischem Magnetwiderstandselement.
JPS6475969A (en) 1987-09-17 1989-03-22 Mitsubishi Electric Corp Measuring device of current
US4823075A (en) 1987-10-13 1989-04-18 General Electric Company Current sensor using hall-effect device with feedback
CH674089A5 (https=) 1987-10-16 1990-04-30 Lem Liaisons Electron Mec
GB8725467D0 (en) 1987-10-30 1987-12-02 Honeywell Control Syst Making current sensor
DE3843087C2 (de) 1987-12-21 2001-09-13 Tdk Corp Magnetfeldsensor
US5227721A (en) 1987-12-25 1993-07-13 Sharp Kabushiki Kaisha Superconductive magnetic sensor having self induced magnetic biasing
JPH01251763A (ja) 1988-03-31 1989-10-06 Res Dev Corp Of Japan 縦型ホール素子と集積化磁気センサ
JPH0216475A (ja) 1988-07-04 1990-01-19 Sharp Corp 超電導磁気測定装置
US5041780A (en) 1988-09-13 1991-08-20 California Institute Of Technology Integrable current sensors
US4847584A (en) 1988-10-14 1989-07-11 Honeywell Inc. Magnetoresistive magnetic sensor
US4926116A (en) 1988-10-31 1990-05-15 Westinghouse Electric Corp. Wide band large dynamic range current sensor and method of current detection using same
JPH02170061A (ja) 1988-12-23 1990-06-29 Fujitsu Ltd 電力検知装置
JPH02212789A (ja) 1989-02-13 1990-08-23 Nec Corp 磁気センサ
JPH02238372A (ja) 1989-03-13 1990-09-20 Fujitsu Ltd 電流検出器
JP2796391B2 (ja) 1990-01-08 1998-09-10 株式会社日立製作所 物理量検出方法および物理量検出装置あるいはこれらの方法あるいは装置を利用したサーボモータおよびこのサーボモータを使用したパワーステアリング装置
JPH03214783A (ja) 1990-01-19 1991-09-19 Aichi Tokei Denki Co Ltd 積層型センサ
JPH04290979A (ja) 1991-03-20 1992-10-15 Hitachi Ltd 磁気センサ、磁気センサを持つ位置検出装置および磁気センサを利用したトルク検出装置、モータ制御装置、あるいはこのトルク検出装置を有する電動パワーステアリング装置
JP3093813B2 (ja) 1991-03-29 2000-10-03 科学技術振興事業団 磁気センサ
JP3206027B2 (ja) 1991-07-05 2001-09-04 株式会社村田製作所 微小電流センサ
EP0537419A1 (de) 1991-10-09 1993-04-21 Landis & Gyr Business Support AG Anordnung mit einem integrierten Magnetfeldsensor sowie einem ferromagnetischen ersten und zweiten Magnetfluss-Konzentrator und Verfahren zum Einbau einer Vielzahl von Anordnungen in je einem Kunststoffgehäuse
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
JPH05264701A (ja) 1992-01-23 1993-10-12 Fujitsu Ltd 磁気センサ
DE4212737C1 (en) 1992-04-16 1993-07-08 Leica Mikroskopie Und Systeme Gmbh Compact bridge-connected sensor - has thin-film resistors on substrate
CH683469A5 (de) 1992-07-03 1994-03-15 Landis & Gyr Business Support Anordnung mit einem einen Magnetfeldsensor enthaltenden Halbleiterplättchen zwischen einem ersten und einem zweiten Polschuh und Verfahren zur Herstellung einer Vielzahl der Anordnungen.
JPH0627150A (ja) 1992-07-07 1994-02-04 Honda Motor Co Ltd ホール素子型電流センサ
US5402064A (en) 1992-09-02 1995-03-28 Santa Barbara Research Center Magnetoresistive sensor circuit with high output voltage swing and temperature compensation
DE4243358A1 (de) 1992-12-21 1994-06-23 Siemens Ag Magnetowiderstands-Sensor mit künstlichem Antiferromagneten und Verfahren zu seiner Herstellung
DE4300605C2 (de) 1993-01-13 1994-12-15 Lust Electronic Systeme Gmbh Sensorchip
JPH0812233B2 (ja) * 1993-05-12 1996-02-07 株式会社超伝導センサ研究所 磁束変化量測定方法
US5442283A (en) 1993-09-03 1995-08-15 Allegro Microsystems, Inc. Hall-voltage slope-activated sensor
US6002553A (en) 1994-02-28 1999-12-14 The United States Of America As Represented By The United States Department Of Energy Giant magnetoresistive sensor
US5583725A (en) 1994-06-15 1996-12-10 International Business Machines Corporation Spin valve magnetoresistive sensor with self-pinned laminated layer and magnetic recording system using the sensor
US5500590A (en) 1994-07-20 1996-03-19 Honeywell Inc. Apparatus for sensing magnetic fields using a coupled film magnetoresistive transducer
DE4436876A1 (de) 1994-10-15 1996-04-18 Lust Antriebstechnik Gmbh Sensorchip
JPH08130338A (ja) 1994-10-31 1996-05-21 Nec Corp 薄膜磁気センサ
US5561368A (en) 1994-11-04 1996-10-01 International Business Machines Corporation Bridge circuit magnetic field sensor having spin valve magnetoresistive elements formed on common substrate
US5570034A (en) 1994-12-29 1996-10-29 Intel Corporation Using hall effect to monitor current during IDDQ testing of CMOS integrated circuits
US5488294A (en) 1995-01-18 1996-01-30 Honeywell Inc. Magnetic sensor with means for retaining a magnet at a precise calibrated position
FR2734058B1 (fr) 1995-05-12 1997-06-20 Thomson Csf Amperemetre
EP0772046B1 (de) 1995-10-30 2002-04-17 Sentron Ag Magnetfeldsensor und Strom- oder Energiesensor
JPH09166612A (ja) 1995-12-18 1997-06-24 Nissan Motor Co Ltd 磁気センサ
JPH09257835A (ja) 1996-03-22 1997-10-03 Toshiba Corp 電流検出装置
US5929636A (en) 1996-05-02 1999-07-27 Integrated Magnetoelectronics All-metal giant magnetoresistive solid-state component
DE19619806A1 (de) 1996-05-15 1997-11-20 Siemens Ag Magnetfeldempfindliche Sensoreinrichtung mit mehreren GMR-Sensorelementen
FR2749664B1 (fr) 1996-06-05 1998-07-24 Chauvin Arnoux Dispositif de mesure de courants faibles par pince amperemetrique
FR2750769B1 (fr) 1996-07-05 1998-11-13 Thomson Csf Capteur de champ magnetique en couche mince
US5831426A (en) 1996-08-16 1998-11-03 Nonvolatile Electronics, Incorporated Magnetic current sensor
US5896030A (en) 1996-10-09 1999-04-20 Honeywell Inc. Magnetic sensor with components attached to transparent plate for laser trimming during calibration
DE19650078A1 (de) 1996-12-03 1998-06-04 Inst Mikrostrukturtechnologie Sensorelement zur Bestimmung eines Magnetfeldes oder eines Stromes
JPH10293141A (ja) 1997-04-18 1998-11-04 Yasusuke Yamamoto 電流センサー
EP0874244B1 (de) 1997-04-19 2002-01-30 LUST ANTRIEBSTECHNIK GmbH Verfahren zum Messen von elektrischen Strömen in n Leitern sowie Vorrichtung zur Durchführung des Verfahrens
US5877705A (en) 1997-04-22 1999-03-02 Nu-Metrics, Inc. Method and apparatus for analyzing traffic and a sensor therefor
US5861747A (en) 1997-05-27 1999-01-19 Ford Global Technologies, Inc. Magnetoresistive rotary position sensor providing a linear output independent of modest fluctuations
WO1998057188A1 (en) 1997-06-13 1998-12-17 Koninklijke Philips Electronics N.V. Sensor comprising a wheatstone bridge
US6404191B2 (en) 1997-08-08 2002-06-11 Nve Corporation Read heads in planar monolithic integrated circuit chips
US5952825A (en) 1997-08-14 1999-09-14 Honeywell Inc. Magnetic field sensing device having integral coils for producing magnetic fields
WO1999014605A1 (en) 1997-09-15 1999-03-25 Institute Of Quantum Electronics A current monitor system and a method for manufacturing it
US5883567A (en) 1997-10-10 1999-03-16 Analog Devices, Inc. Packaged integrated circuit with magnetic flux concentrator
US6094330A (en) 1998-01-14 2000-07-25 General Electric Company Circuit interrupter having improved current sensing apparatus
US6300617B1 (en) 1998-03-04 2001-10-09 Nonvolatile Electronics, Incorporated Magnetic digital signal coupler having selected/reversal directions of magnetization
JP3544141B2 (ja) 1998-05-13 2004-07-21 三菱電機株式会社 磁気検出素子および磁気検出装置
JP3623366B2 (ja) 1998-07-17 2005-02-23 アルプス電気株式会社 巨大磁気抵抗効果素子を備えた磁界センサおよびその製造方法と製造装置
JP3623367B2 (ja) 1998-07-17 2005-02-23 アルプス電気株式会社 巨大磁気抵抗効果素子を備えたポテンショメータ
US6809515B1 (en) 1998-07-31 2004-10-26 Spinix Corporation Passive solid-state magnetic field sensors and applications therefor
WO2004075311A1 (ja) 1998-10-02 2004-09-02 Sanken Electric Co., Ltd. ホール効果素子を有する半導体装置
TW434411B (en) 1998-10-14 2001-05-16 Tdk Corp Magnetic sensor apparatus, current sensor apparatus and magnetic sensing element
TW534999B (en) 1998-12-15 2003-06-01 Tdk Corp Magnetic sensor apparatus and current sensor apparatus
JP3414292B2 (ja) 1998-12-25 2003-06-09 株式会社豊田中央研究所 磁界検出装置及び磁界検出素子
JP3249810B2 (ja) 1999-01-21 2002-01-21 ティーディーケイ株式会社 電流センサ装置
EP1031844A3 (fr) 1999-02-25 2009-03-11 Liaisons Electroniques-Mecaniques Lem S.A. Procédé de fabrication d'un capteur de courant électrique
US6331773B1 (en) 1999-04-16 2001-12-18 Storage Technology Corporation Pinned synthetic anti-ferromagnet with oxidation protection layer
JP3583649B2 (ja) 1999-04-27 2004-11-04 Tdk株式会社 薄膜磁気ヘッドおよびその製造方法ならびに磁気抵抗効果装置
DE10017374B4 (de) 1999-05-25 2007-05-10 Siemens Ag Magnetische Koppeleinrichtung und deren Verwendung
GB2352522B (en) 1999-05-28 2003-08-06 Caithness Dev Ltd A sensor
US6501678B1 (en) 1999-06-18 2002-12-31 Koninklijke Philips Electronics N.V. Magnetic systems with irreversible characteristics and a method of manufacturing and repairing and operating such systems
JP3696448B2 (ja) 1999-09-02 2005-09-21 矢崎総業株式会社 電流検出器
JP2001084535A (ja) 1999-09-16 2001-03-30 Tdk Corp 薄膜磁気ヘッドの製造方法および磁気抵抗効果装置の製造方法
DE60044568D1 (de) 1999-10-01 2010-07-29 Nve Corp Gerät zur Überwachung eines magnetischen digitalen Überträgers
US6445171B2 (en) 1999-10-29 2002-09-03 Honeywell Inc. Closed-loop magnetoresistive current sensor system having active offset nulling
US6462541B1 (en) 1999-11-12 2002-10-08 Nve Corporation Uniform sense condition magnetic field sensor using differential magnetoresistance
JP2001165963A (ja) 1999-12-09 2001-06-22 Sanken Electric Co Ltd ホール素子を備えた電流検出装置
JP3852554B2 (ja) 1999-12-09 2006-11-29 サンケン電気株式会社 ホール素子を備えた電流検出装置
JP4164615B2 (ja) 1999-12-20 2008-10-15 サンケン電気株式会社 ホ−ル素子を備えた電流検出装置
US6433981B1 (en) 1999-12-30 2002-08-13 General Electric Company Modular current sensor and power source
JP4216984B2 (ja) 2000-02-14 2009-01-28 パナソニック株式会社 部品振り分け制御装置、部品振り分け方法、および部品振り分けシステム。
JP2001227902A (ja) 2000-02-16 2001-08-24 Mitsubishi Electric Corp 半導体装置
DE10028640B4 (de) 2000-06-09 2005-11-03 Institut für Physikalische Hochtechnologie e.V. Wheatstonebrücke, beinhaltend Brückenelemente, bestehend aus einem Spin-Valve-System, sowie ein Verfahren zu deren Herstellung
JP2002082136A (ja) 2000-06-23 2002-03-22 Yazaki Corp 電流センサ
JP2002026419A (ja) 2000-07-07 2002-01-25 Sanken Electric Co Ltd 磁電変換装置
US6429640B1 (en) 2000-08-21 2002-08-06 The United States Of America As Represented By The Secretary Of The Air Force GMR high current, wide dynamic range sensor
JP2002107382A (ja) 2000-09-27 2002-04-10 Asahi Kasei Corp 半導体装置およびその製造方法、並びに電流センサ
JP2002131342A (ja) 2000-10-19 2002-05-09 Canon Electronics Inc 電流センサ
DE20018538U1 (de) 2000-10-27 2002-03-07 Mannesmann Vdo Ag Sensormodul
JP2002163808A (ja) 2000-11-22 2002-06-07 Tdk Corp 磁気抵抗効果装置およびその製造方法ならびに薄膜磁気ヘッドおよびその製造方法
GB0029815D0 (en) 2000-12-06 2001-01-17 Pace Micro Tech Plc Voltage measuring apparatus
US6833615B2 (en) 2000-12-29 2004-12-21 Intel Corporation Via-in-pad with off-center geometry
US20020093332A1 (en) 2001-01-18 2002-07-18 Thaddeus Schroeder Magnetic field sensor with tailored magnetic response
DE10108640A1 (de) 2001-02-22 2002-09-19 Infineon Technologies Ag Sensoranordnung zur kontaktlosen Strommessung
US6661083B2 (en) 2001-02-27 2003-12-09 Chippac, Inc Plastic semiconductor package
DE10159607B4 (de) 2001-03-09 2010-11-18 Siemens Ag Analog/Digital-Signalwandlereinrichtung mit galvanischer Trennung in ihrem Singalübertragungsweg
JP3260740B1 (ja) 2001-04-25 2002-02-25 ティーディーケイ株式会社 磁気抵抗効果装置の製造方法および薄膜磁気ヘッドの製造方法
JP3284130B1 (ja) 2001-04-25 2002-05-20 ティーディーケイ株式会社 磁気抵抗効果装置およびその製造方法、薄膜磁気ヘッドおよびその製造方法、ヘッドジンバルアセンブリならびにハードディスク装置
DE10120408B4 (de) 2001-04-25 2006-02-02 Infineon Technologies Ag Elektronisches Bauteil mit einem Halbleiterchip, elektronische Baugruppe aus gestapelten Halbleiterchips und Verfahren zu deren Herstellung
US6946834B2 (en) 2001-06-01 2005-09-20 Koninklijke Philips Electronics N.V. Method of orienting an axis of magnetization of a first magnetic element with respect to a second magnetic element, semimanufacture for obtaining a sensor, sensor for measuring a magnetic field
DE10128150C1 (de) 2001-06-11 2003-01-23 Siemens Ag Magnetoresistives Sensorsystem
US6542375B1 (en) 2001-06-14 2003-04-01 National Semiconductor Corporation Hybrid PCB-IC directional coupler
EP1267173A3 (en) 2001-06-15 2005-03-23 Sanken Electric Co., Ltd. Hall-effect current detector
JP4164626B2 (ja) 2001-06-15 2008-10-15 サンケン電気株式会社 ホ−ル素子を備えた電流検出装置
EP1273921A1 (en) 2001-07-06 2003-01-08 Sanken Electric Co., Ltd. Hall-effect current detector
JP2003043074A (ja) 2001-07-26 2003-02-13 Asahi Kasei Corp 電流検出装置及びその製造方法
DE10140043B4 (de) 2001-08-16 2006-03-23 Siemens Ag Schichtensystem mit erhöhtem magnetoresistiven Effekt sowie Verwendung desselben
US6949927B2 (en) 2001-08-27 2005-09-27 International Rectifier Corporation Magnetoresistive magnetic field sensors and motor control devices using same
DE10142120A1 (de) 2001-08-30 2003-03-27 Infineon Technologies Ag Elektronisches Bauteil mit wenigstens zwei gestapelten Halbleiterchips sowie Verfahren zu seiner Herstellung
DE10142118B4 (de) 2001-08-30 2007-07-12 Infineon Technologies Ag Elektronisches Bauteil mit wenigstens zwei gestapelten Halbleiterchips sowie Verfahren zu seiner Herstellung
DE10142114C1 (de) 2001-08-30 2003-02-13 Infineon Technologies Ag Elektronisches Bauteil mit wenigstens zwei Halbleiterchips sowie Verfahren zu seiner Herstellung
DE10143437A1 (de) 2001-09-05 2003-03-27 Hella Kg Hueck & Co Vorrichtung zur Ermittlung der Position eines Schaltstocks oder eines Wählhebels eines Fahrzeuggetriebes
CN1295514C (zh) 2001-11-01 2007-01-17 旭化成电子材料元件株式会社 电流传感器与电流传感器的制造方法
DE10155423B4 (de) 2001-11-12 2006-03-02 Siemens Ag Verfahren zur homogenen Magnetisierung eines austauschgekoppelten Schichtsystems eines magneto-resistiven Bauelements, insbesondere eines Sensor-oder Logikelements
US6667682B2 (en) 2001-12-26 2003-12-23 Honeywell International Inc. System and method for using magneto-resistive sensors as dual purpose sensors
DE10202287C1 (de) 2002-01-22 2003-08-07 Siemens Ag Verfahren zur Herstellung einer monolithischen Brückenschaltung bestehend aus mehreren, als magneto-resistive Elemente ausgebildeten Brückengliedern und eine hiernach hergestellte monolithische Brückenschaltung
US6815944B2 (en) 2002-01-31 2004-11-09 Allegro Microsystems, Inc. Method and apparatus for providing information from a speed and direction sensor
US6984978B2 (en) 2002-02-11 2006-01-10 Honeywell International Inc. Magnetic field sensor
DE10222395B4 (de) 2002-05-21 2010-08-05 Siemens Ag Schaltungseinrichtung mit mehreren TMR-Sensorelementen
US7106046B2 (en) 2002-06-18 2006-09-12 Asahi Kasei Emd Corporation Current measuring method and current measuring device
DE10228764B4 (de) 2002-06-27 2006-07-13 Infineon Technologies Ag Anordnung zum Testen von Halbleitereinrichtungen
US6781359B2 (en) 2002-09-20 2004-08-24 Allegro Microsystems, Inc. Integrated current sensor
JP2004132790A (ja) 2002-10-09 2004-04-30 Fuji Electric Holdings Co Ltd 電流センサ
JP3896590B2 (ja) 2002-10-28 2007-03-22 サンケン電気株式会社 電流検出装置
JP2004158668A (ja) 2002-11-07 2004-06-03 Asahi Kasei Corp ハイブリッド磁気センサ及びその製造方法
JP4200358B2 (ja) 2002-12-13 2008-12-24 サンケン電気株式会社 ホール素子を備えた電流検出装置
US7259545B2 (en) 2003-02-11 2007-08-21 Allegro Microsystems, Inc. Integrated sensor
US6995957B2 (en) 2003-03-18 2006-02-07 Hitachi Global Storage Technologies Netherland B.V. Magnetoresistive sensor having a high resistance soft magnetic layer between sensor stack and shield
DE10314602B4 (de) 2003-03-31 2007-03-01 Infineon Technologies Ag Integrierter differentieller Magnetfeldsensor
JP2004356338A (ja) 2003-05-28 2004-12-16 Res Inst Electric Magnetic Alloys 薄膜磁気センサ及びその製造方法
WO2004109725A1 (en) 2003-06-11 2004-12-16 Koninklijke Philips Electronics N.V. Method of manufacturing a device with a magnetic layer-structure
US7075287B1 (en) 2003-08-26 2006-07-11 Allegro Microsystems, Inc. Current sensor
US7709754B2 (en) 2003-08-26 2010-05-04 Allegro Microsystems, Inc. Current sensor
US20060219436A1 (en) 2003-08-26 2006-10-05 Taylor William P Current sensor
US7166807B2 (en) 2003-08-26 2007-01-23 Allegro Microsystems, Inc. Current sensor
FR2860592B1 (fr) 2003-10-06 2006-01-21 Michel Remy Jean Combier Dispositif de mesure de courant sans contact, a grande dynamique, robuste et a bas cout.
US8970049B2 (en) 2003-12-17 2015-03-03 Chippac, Inc. Multiple chip package module having inverted package stacked over die
JP2005195427A (ja) 2004-01-06 2005-07-21 Asahi Kasei Electronics Co Ltd 電流測定装置、電流測定方法および電流測定プログラム
DE102004003369A1 (de) 2004-01-22 2005-08-18 Siemens Ag Magnetisches Bauelement mit hoher Grenzfrequenz
CN100541222C (zh) 2004-02-19 2009-09-16 三菱电机株式会社 磁场检测器以及使用该磁场检测器的检测器件
JP4433820B2 (ja) 2004-02-20 2010-03-17 Tdk株式会社 磁気検出素子およびその形成方法ならびに磁気センサ、電流計
DE102004009267B3 (de) 2004-02-26 2005-09-22 Siemens Ag Ausleseeinrichtung wenigstens eines magnetoresistiven Elementes
US7422930B2 (en) 2004-03-02 2008-09-09 Infineon Technologies Ag Integrated circuit with re-route layer and stacked die assembly
JP4511219B2 (ja) 2004-03-04 2010-07-28 三洋電機株式会社 モータ駆動回路
DE102004062474A1 (de) 2004-03-23 2005-10-13 Siemens Ag Vorrichtung zur potenzialfreien Strommessung
DE102004017191B4 (de) 2004-04-07 2007-07-12 Infineon Technologies Ag Vorrichtung und Verfahren zur Ermittlung einer Richtung eines Objekts
US20050246114A1 (en) 2004-04-29 2005-11-03 Rannow Randy K In-line field sensor
DE102004021862B4 (de) 2004-05-04 2014-08-07 Infineon Technologies Ag Stromsenor
US7961431B2 (en) 2004-05-04 2011-06-14 Illinois Tool Works Inc. Additive-free fiber for metal texture of hard disk drives
DE102004027273A1 (de) 2004-06-04 2005-12-29 Infineon Technologies Ag Halbleiterbaustein mit einer ersten und mindestens einer weiteren Halbleiterschaltung und Verfahren
DE102004038847B3 (de) 2004-08-10 2005-09-01 Siemens Ag Einrichtung zur potenzialfreien Messung eines in einer elektrischen Leiterbahn fließenden Stromes
DE102005037905A1 (de) 2004-08-18 2006-03-09 Siemens Ag Magnetfeldsensor zum Messen eines Gradienten eines magnetischen Feldes
DE102004040079B3 (de) 2004-08-18 2005-12-22 Siemens Ag Magnetfeldsensor
DE102004043737A1 (de) 2004-09-09 2006-03-30 Siemens Ag Vorrichtung zum Erfassen des Gradienten eines Magnetfeldes und Verfahren zur Herstellung der Vorrichtung
JP4360998B2 (ja) 2004-10-01 2009-11-11 Tdk株式会社 電流センサ
US7777607B2 (en) 2004-10-12 2010-08-17 Allegro Microsystems, Inc. Resistor having a predetermined temperature coefficient
JP4105142B2 (ja) 2004-10-28 2008-06-25 Tdk株式会社 電流センサ
DE102004053551A1 (de) 2004-11-05 2006-05-18 Siemens Ag Vorrichtung zum Erfassen eines beweglichen oder bewegbaren elektrisch und/oder magnetisch leitenden Teiles
JP4105145B2 (ja) 2004-11-30 2008-06-25 Tdk株式会社 電流センサ
JP4105147B2 (ja) 2004-12-06 2008-06-25 Tdk株式会社 電流センサ
JP4131869B2 (ja) 2005-01-31 2008-08-13 Tdk株式会社 電流センサ
US7476953B2 (en) 2005-02-04 2009-01-13 Allegro Microsystems, Inc. Integrated sensor having a magnetic flux concentrator
ATE381024T1 (de) 2005-02-15 2007-12-15 Fiat Ricerche Oberflächenmontierter integrierter stromsensor
DE102006008257B4 (de) 2005-03-22 2010-01-14 Siemens Ag Magnetoresistives Mehrschichtensystem vom Spin Valve-Typ mit einer magnetisch weicheren Elektrode aus mehreren Schichten und dessen Verwendung
ATE519229T1 (de) 2005-05-04 2011-08-15 Nxp Bv Einrichtung mit einem sensormodul
US7358724B2 (en) 2005-05-16 2008-04-15 Allegro Microsystems, Inc. Integrated magnetic flux concentrator
JP2007003237A (ja) 2005-06-21 2007-01-11 Denso Corp 電流センサ
DE102006021774B4 (de) 2005-06-23 2014-04-03 Siemens Aktiengesellschaft Stromsensor zur galvanisch getrennten Strommessung
JP4466487B2 (ja) 2005-06-27 2010-05-26 Tdk株式会社 磁気センサおよび電流センサ
US7541804B2 (en) 2005-07-29 2009-06-02 Everspin Technologies, Inc. Magnetic tunnel junction sensor
DE102005038655B3 (de) 2005-08-16 2007-03-22 Siemens Ag Magnetfeldsensitive Sensoreinrichtung
DE102005040539B4 (de) 2005-08-26 2007-07-05 Siemens Ag Magnetfeldsensitive Sensoreinrichtung
JP2007064851A (ja) 2005-08-31 2007-03-15 Tdk Corp コイル、コイルモジュールおよびその製造方法、ならびに電流センサおよびその製造方法
JP4298691B2 (ja) 2005-09-30 2009-07-22 Tdk株式会社 電流センサおよびその製造方法
JP4415923B2 (ja) 2005-09-30 2010-02-17 Tdk株式会社 電流センサ
JP4224483B2 (ja) 2005-10-14 2009-02-12 Tdk株式会社 電流センサ
DE102005052688A1 (de) 2005-11-04 2007-05-24 Siemens Ag Magnetfeldsensor mit einer Messbrücke mit MR-Sensor
US7768083B2 (en) 2006-01-20 2010-08-03 Allegro Microsystems, Inc. Arrangements for an integrated sensor
JP2007218700A (ja) 2006-02-15 2007-08-30 Tdk Corp 磁気センサおよび電流センサ
DE102006007770A1 (de) 2006-02-20 2007-08-30 Siemens Ag Sensoreinrichtung zur Erfassung einer Magnetfeldgröße
US20070279053A1 (en) 2006-05-12 2007-12-06 Taylor William P Integrated current sensor
DE102006026148A1 (de) 2006-06-06 2007-12-13 Insta Elektro Gmbh Elektrisches/elektronisches Gerät
DE102006028250A1 (de) 2006-06-20 2007-12-27 Carl Zeiss Microimaging Gmbh Verfahren zur Überwachung von Laserbearbeitungsprozessen
DE102006028698B3 (de) 2006-06-22 2007-12-13 Siemens Ag OMR-Sensor und Anordnung aus solchen Sensoren
DE102006046736B4 (de) 2006-09-29 2008-08-14 Siemens Ag Verfahren zum Betreiben eines Magnetfeldsensors und zugehöriger Magnetfeldsensor
DE102006046739B4 (de) 2006-09-29 2008-08-14 Siemens Ag Verfahren zum Betreiben eines Magnetfeldsensors und zugehöriger Magnetfeldsensor
US7816905B2 (en) 2008-06-02 2010-10-19 Allegro Microsystems, Inc. Arrangements for a current sensing circuit and integrated current sensor
US8203332B2 (en) 2008-06-24 2012-06-19 Magic Technologies, Inc. Gear tooth sensor (GTS) with magnetoresistive bridge
JP4859903B2 (ja) 2008-10-23 2012-01-25 三菱電機株式会社 移動方向検出装置
GB2472654A (en) 2009-08-15 2011-02-16 Bentley Motors Ltd A retention system
JP5577544B2 (ja) * 2010-03-09 2014-08-27 アルプス・グリーンデバイス株式会社 電流センサ
WO2012070337A1 (ja) 2010-11-26 2012-05-31 アルプス・グリーンデバイス株式会社 電流センサ
CN102419393B (zh) * 2011-12-30 2013-09-04 江苏多维科技有限公司 一种电流传感器
DE102012012759A1 (de) 2012-06-27 2014-01-02 Sensitec Gmbh Anordnung zur Strommessung
US8907669B2 (en) * 2012-07-24 2014-12-09 Allegro Microsystems, Llc Circuits and techniques for adjusting a sensitivity of a closed-loop current sensor
JP6199730B2 (ja) 2013-12-25 2017-09-20 株式会社東芝 電流センサ及び電流センサモジュール
US9529060B2 (en) * 2014-01-09 2016-12-27 Allegro Microsystems, Llc Magnetoresistance element with improved response to magnetic fields
JP6190537B2 (ja) * 2014-08-05 2017-08-30 アルプス電気株式会社 電流センサ
WO2016021480A1 (ja) * 2014-08-05 2016-02-11 アルプス・グリーンデバイス株式会社 電流センサ
JP6339890B2 (ja) * 2014-08-05 2018-06-06 アルプス電気株式会社 電流センサ
JP6192251B2 (ja) * 2014-08-05 2017-09-06 アルプス電気株式会社 電流センサ
JP6763887B2 (ja) 2015-06-05 2020-09-30 アレグロ・マイクロシステムズ・エルエルシー 磁界に対する応答が改善されたスピンバルブ磁気抵抗効果素子
US20170184635A1 (en) * 2015-12-28 2017-06-29 Everspin Technologies, Inc. Sensing apparatus for sensing current through a conductor and methods therefor
US10114085B2 (en) 2016-03-04 2018-10-30 Allegro Microsystems, Llc Magnetic field sensor with improved response immunity
WO2017199519A1 (ja) 2016-05-17 2017-11-23 アルプス電気株式会社 平衡式磁気検知装置
US10114044B2 (en) 2016-08-08 2018-10-30 Allegro Microsystems, Llc Current sensor
US10247758B2 (en) 2016-08-08 2019-04-02 Allegro Microsystems, Llc Current sensor
JP6897106B2 (ja) * 2017-01-17 2021-06-30 日立金属株式会社 電流センサの信号補正方法、及び電流センサ
US10481181B2 (en) 2017-04-25 2019-11-19 Allegro Microsystems, Llc Systems and methods for current sensing
US10557873B2 (en) 2017-07-19 2020-02-11 Allegro Microsystems, Llc Systems and methods for closed loop current sensing
US10578684B2 (en) * 2018-01-12 2020-03-03 Allegro Microsystems, Llc Magnetic field sensor having magnetoresistance elements with opposite bias directions

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