CN101023367A - 连续校准的磁场传感器 - Google Patents
连续校准的磁场传感器 Download PDFInfo
- Publication number
- CN101023367A CN101023367A CNA2005800311762A CN200580031176A CN101023367A CN 101023367 A CN101023367 A CN 101023367A CN A2005800311762 A CNA2005800311762 A CN A2005800311762A CN 200580031176 A CN200580031176 A CN 200580031176A CN 101023367 A CN101023367 A CN 101023367A
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- Prior art keywords
- magnetic field
- sensor
- magnetic
- field
- signal
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R33/00—Arrangements or instruments for measuring magnetic variables
- G01R33/02—Measuring direction or magnitude of magnetic fields or magnetic flux
- G01R33/06—Measuring direction or magnitude of magnetic fields or magnetic flux using galvano-magnetic devices
- G01R33/07—Hall effect devices
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R33/00—Arrangements or instruments for measuring magnetic variables
- G01R33/0023—Electronic aspects, e.g. circuits for stimulation, evaluation, control; Treating the measured signals; calibration
- G01R33/0035—Calibration of single magnetic sensors, e.g. integrated calibration
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R33/00—Arrangements or instruments for measuring magnetic variables
- G01R33/02—Measuring direction or magnitude of magnetic fields or magnetic flux
- G01R33/06—Measuring direction or magnitude of magnetic fields or magnetic flux using galvano-magnetic devices
- G01R33/07—Hall effect devices
- G01R33/072—Constructional adaptation of the sensor to specific applications
- G01R33/075—Hall devices configured for spinning current measurements
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- 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
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- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Measuring Magnetic Variables (AREA)
- Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
Abstract
Description
Claims (21)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP04405584.6 | 2004-09-16 | ||
EP04405584A EP1637898A1 (en) | 2004-09-16 | 2004-09-16 | Continuously calibrated magnetic field sensor |
PCT/IB2005/002856 WO2006056829A1 (en) | 2004-09-16 | 2005-09-14 | Continuously calibrated magnetic field sensor |
Publications (2)
Publication Number | Publication Date |
---|---|
CN101023367A true CN101023367A (zh) | 2007-08-22 |
CN101023367B CN101023367B (zh) | 2010-06-09 |
Family
ID=34932281
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2005800311762A Active CN101023367B (zh) | 2004-09-16 | 2005-09-14 | 连续校准的磁场传感器 |
Country Status (5)
Country | Link |
---|---|
US (1) | US7746065B2 (zh) |
EP (2) | EP1637898A1 (zh) |
JP (1) | JP4757260B2 (zh) |
CN (1) | CN101023367B (zh) |
WO (1) | WO2006056829A1 (zh) |
Cited By (18)
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CN102445671A (zh) * | 2010-10-13 | 2012-05-09 | 北京中科信电子装备有限公司 | 一种霍尔器件误差补偿电路 |
CN101762796B (zh) * | 2008-12-24 | 2013-02-13 | 上海华虹Nec电子有限公司 | 磁场检测器 |
CN103038658A (zh) * | 2010-07-28 | 2013-04-10 | 阿莱戈微系统公司 | 具有改善的感测磁场信号和噪声信号之间的区分的磁场传感器 |
TWI468714B (zh) * | 2012-02-16 | 2015-01-11 | Allegro Microsystems Llc | 使用可調整回饋以自校正或自測試之磁場感應器和其調整方法 |
CN104515958A (zh) * | 2013-10-08 | 2015-04-15 | 法国大陆汽车公司 | 用于借助于开关霍尔效应传感器来测量磁场的方法 |
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US9354257B2 (en) | 2011-11-04 | 2016-05-31 | General Electric Company | Systems and methods for use in measuring current through a conductor |
CN106249021A (zh) * | 2015-06-08 | 2016-12-21 | 英飞凌科技股份有限公司 | 具有磁场传感器的电流传感器芯片 |
US9638764B2 (en) | 2015-04-08 | 2017-05-02 | Allegro Microsystems, Llc | Electronic circuit for driving a hall effect element with a current compensated for substrate stress |
US9645220B2 (en) | 2014-04-17 | 2017-05-09 | Allegro Microsystems, Llc | Circuits and methods for self-calibrating or self-testing a magnetic field sensor using phase discrimination |
US9735773B2 (en) | 2014-04-29 | 2017-08-15 | Allegro Microsystems, Llc | Systems and methods for sensing current through a low-side field effect transistor |
CN107340483A (zh) * | 2016-04-29 | 2017-11-10 | 德昌电机(深圳)有限公司 | 一种磁传感器、磁传感器集成电路、电机组件及应用设备 |
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US10107873B2 (en) | 2016-03-10 | 2018-10-23 | Allegro Microsystems, Llc | Electronic circuit for compensating a sensitivity drift of a hall effect element due to stress |
US10162017B2 (en) | 2016-07-12 | 2018-12-25 | Allegro Microsystems, Llc | Systems and methods for reducing high order hall plate sensitivity temperature coefficients |
CN110244129A (zh) * | 2019-07-09 | 2019-09-17 | 南京林业大学 | 一种感应式电导率传感器反馈式可控激励磁场发生器 |
US10520559B2 (en) | 2017-08-14 | 2019-12-31 | Allegro Microsystems, Llc | Arrangements for Hall effect elements and vertical epi resistors upon a substrate |
CN111665433A (zh) * | 2020-06-23 | 2020-09-15 | 西安中科阿尔法电子科技有限公司 | 一种霍尔芯片老化测试装置及测试方法 |
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Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6513252B1 (en) * | 1999-04-08 | 2003-02-04 | Donnelly Corporation | Vehicle compass compensation |
CN101427157A (zh) * | 2006-04-26 | 2009-05-06 | 皇家飞利浦电子股份有限公司 | 磁传感器装置的校准 |
DE102006059421B4 (de) * | 2006-07-14 | 2011-06-01 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Verfahren zur Verarbeitung von Offset-behafteten Sensorsignalen sowie für die Durchführung des Verfahrens ausgebildete Sensoranordnung |
DE102006037226B4 (de) | 2006-08-09 | 2008-05-29 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Im Messbetrieb kalibrierbarer magnetischer 3D-Punktsensor |
GB0620307D0 (en) * | 2006-10-16 | 2006-11-22 | Ami Semiconductor Belgium Bvba | Auto-calibration of magnetic sensor |
US7425821B2 (en) * | 2006-10-19 | 2008-09-16 | Allegro Microsystems, Inc. | Chopped Hall effect sensor |
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US7358880B1 (en) * | 2007-02-07 | 2008-04-15 | Cirrus Logic, Inc. | Magnetic field feedback delta-sigma modulator sensor circuit |
DE102007012214A1 (de) * | 2007-03-12 | 2008-09-18 | Micronas Gmbh | Halbleiterbauelement und Verfahren zum Testen eines solchen |
US7800389B2 (en) | 2007-07-13 | 2010-09-21 | Allegro Microsystems, Inc. | Integrated circuit having built-in self-test features |
US7694200B2 (en) | 2007-07-18 | 2010-04-06 | Allegro Microsystems, Inc. | Integrated circuit having built-in self-test features |
DE202007010962U1 (de) * | 2007-08-07 | 2008-12-18 | Ic-Haus Gmbh | Messvorrichtung mit Spinning-Current-Hallsensor |
US9823090B2 (en) | 2014-10-31 | 2017-11-21 | Allegro Microsystems, Llc | Magnetic field sensor for sensing a movement of a target object |
US8965726B2 (en) * | 2008-02-20 | 2015-02-24 | Robert Bosch Gmbh | System and method for measuring DC offset in a sensor output by modulating a signal-independent operating parameter of the sensor |
US7923996B2 (en) | 2008-02-26 | 2011-04-12 | Allegro Microsystems, Inc. | Magnetic field sensor with automatic sensitivity adjustment |
DE102008000943B4 (de) * | 2008-04-02 | 2015-02-19 | Zf Friedrichshafen Ag | Diagnostizierbarer Hallsensor und Verfahren zur Funktionsdiagnose einer Hall-Sensoreinrichtung |
EP2108966A1 (en) | 2008-04-08 | 2009-10-14 | Ecole Polytechnique Fédérale de Lausanne (EPFL) | Current sensor and assembly group for current measurement |
US8447556B2 (en) | 2009-02-17 | 2013-05-21 | Allegro Microsystems, Inc. | Circuits and methods for generating a self-test of a magnetic field sensor |
US7990209B2 (en) * | 2009-06-19 | 2011-08-02 | Allegro Microsystems, Inc. | Switched capacitor notch filter |
EP2634592B1 (en) * | 2009-07-22 | 2015-01-14 | Allegro Microsystems, LLC | Circuits and methods for generating a diagnostic mode of operation in a magnetic field sensor |
US8416014B2 (en) * | 2010-03-12 | 2013-04-09 | Allegro Microsystems, Inc. | Switched capacitor notch filter with fast response time |
DE102010019484B9 (de) | 2010-05-05 | 2012-12-06 | Austriamicrosystems Ag | Sensoranordnung und Verfahren zum Betreiben einer Sensoranordnung |
DE102010019485B4 (de) * | 2010-05-05 | 2012-10-31 | Austriamicrosystems Ag | Sensoranordnung und Verfahren zum Betreiben einer Sensoranordnung |
US8779777B2 (en) | 2010-06-04 | 2014-07-15 | Linear Technology Corporation | Dynamic compensation of aging drift in current sense resistor |
JP5004368B2 (ja) * | 2010-06-24 | 2012-08-22 | スミダコーポレーション株式会社 | 電流センサ |
EP2402777B1 (en) * | 2010-06-30 | 2013-01-09 | LEM Intellectual Property SA | Autonomously calibrated magnetic field sensor |
EP2402779A1 (en) * | 2010-07-02 | 2012-01-04 | Liaisons Electroniques-Mecaniques Lem S.A. | Hall sensor system |
IT1402178B1 (it) | 2010-09-09 | 2013-08-28 | St Microelectronics Srl | Circuito di lettura a compensazione automatica dell'offset per un sensore di campo magnetico e relativo metodo di lettura a compensazione automatica dell'offset |
US9346441B2 (en) * | 2010-09-24 | 2016-05-24 | Infineon Technologies Ag | Sensor self-diagnostics using multiple signal paths |
US10145882B2 (en) * | 2010-09-24 | 2018-12-04 | Infineon Technologies Ag | Sensor self-diagnostics using multiple signal paths |
US9874609B2 (en) | 2010-09-24 | 2018-01-23 | Infineon Technologies Ag | Sensor self-diagnostics using multiple signal paths |
UA99187C2 (ru) * | 2010-10-21 | 2012-07-25 | Инесса Антоновна Большакова | Способ измерения магнитного поля |
US9013175B2 (en) * | 2010-11-26 | 2015-04-21 | Stmicroelectronics S.R.L. | Reading circuit for a magnetic field sensor with sensitivity calibration, and related reading method |
DE102010062237A1 (de) | 2010-12-01 | 2012-06-06 | Robert Bosch Gmbh | Verfahren zum Kalibrieren eines Magnetfeldsensors |
JP5764949B2 (ja) * | 2011-02-02 | 2015-08-19 | セイコーエプソン株式会社 | 磁場計測装置 |
US9062990B2 (en) | 2011-02-25 | 2015-06-23 | Allegro Microsystems, Llc | Circular vertical hall magnetic field sensing element and method with a plurality of continuous output signals |
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GB2481482B (en) | 2011-04-27 | 2012-06-20 | Univ Manchester | Improvements in sensors |
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US8604777B2 (en) | 2011-07-13 | 2013-12-10 | Allegro Microsystems, Llc | Current sensor with calibration for a current divider configuration |
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US20140145714A1 (en) | 2012-01-25 | 2014-05-29 | Asahi Kasei Microdevices Corporation | Hall electromotive force signal detection circuit and current sensor thereof |
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GB201309825D0 (en) | 2013-06-01 | 2013-07-17 | Metroic Ltd | Current measurement |
JP6188430B2 (ja) * | 2013-06-03 | 2017-08-30 | 三菱電機株式会社 | 電流検出装置 |
US10145908B2 (en) | 2013-07-19 | 2018-12-04 | Allegro Microsystems, Llc | Method and apparatus for magnetic sensor producing a changing magnetic field |
US10495699B2 (en) | 2013-07-19 | 2019-12-03 | Allegro Microsystems, Llc | Methods and apparatus for magnetic sensor having an integrated coil or magnet to detect a non-ferromagnetic target |
US9810519B2 (en) | 2013-07-19 | 2017-11-07 | Allegro Microsystems, Llc | Arrangements for magnetic field sensors that act as tooth detectors |
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US9229066B2 (en) | 2013-08-15 | 2016-01-05 | Texas Instruments Incorporated | Integrated fluxgate magnetic sensor and excitation circuitry |
JP2015049046A (ja) * | 2013-08-29 | 2015-03-16 | アルプス電気株式会社 | 角度検出装置 |
US9312473B2 (en) | 2013-09-30 | 2016-04-12 | Allegro Microsystems, Llc | Vertical hall effect sensor |
JP6158682B2 (ja) * | 2013-10-25 | 2017-07-05 | エスアイアイ・セミコンダクタ株式会社 | 磁気センサ回路 |
TWI485974B (zh) * | 2013-11-29 | 2015-05-21 | Amtek Semiconductor Co Ltd | 具有校正功能之驅動晶片及其應用之馬達驅動系統 |
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US9547048B2 (en) | 2014-01-14 | 2017-01-17 | Allegro Micosystems, LLC | Circuit and method for reducing an offset component of a plurality of vertical hall elements arranged in a circle |
US9638762B2 (en) | 2014-02-24 | 2017-05-02 | Infineon Technologies Ag | Highly efficient diagnostic methods for monolithic sensor systems |
US9534932B2 (en) * | 2014-03-07 | 2017-01-03 | Infineon Technologies Ag | XMR angle sensor arrangement with safety mechanism and method for monitoring the same |
US9753097B2 (en) | 2014-05-05 | 2017-09-05 | Allegro Microsystems, Llc | Magnetic field sensors and associated methods with reduced offset and improved accuracy |
US9448288B2 (en) | 2014-05-20 | 2016-09-20 | Allegro Microsystems, Llc | Magnetic field sensor with improved accuracy resulting from a digital potentiometer |
US9851416B2 (en) | 2014-07-22 | 2017-12-26 | Allegro Microsystems, Llc | Systems and methods for magnetic field sensors with self-test |
EP3176593B1 (en) * | 2014-09-26 | 2021-07-07 | Asahi Kasei Microdevices Corporation | Hall electromotive force signal detection circuit and current sensor |
US9739846B2 (en) | 2014-10-03 | 2017-08-22 | Allegro Microsystems, Llc | Magnetic field sensors with self test |
US10712403B2 (en) | 2014-10-31 | 2020-07-14 | Allegro Microsystems, Llc | Magnetic field sensor and electronic circuit that pass amplifier current through a magnetoresistance element |
US10156461B2 (en) | 2014-10-31 | 2018-12-18 | Allegro Microsystems, Llc | Methods and apparatus for error detection in a magnetic field sensor |
US9719806B2 (en) | 2014-10-31 | 2017-08-01 | Allegro Microsystems, Llc | Magnetic field sensor for sensing a movement of a ferromagnetic target object |
US9823092B2 (en) | 2014-10-31 | 2017-11-21 | Allegro Microsystems, Llc | Magnetic field sensor providing a movement detector |
US9720054B2 (en) | 2014-10-31 | 2017-08-01 | Allegro Microsystems, Llc | Magnetic field sensor and electronic circuit that pass amplifier current through a magnetoresistance element |
US10466298B2 (en) | 2014-11-14 | 2019-11-05 | Allegro Microsystems, Llc | Magnetic field sensor with shared path amplifier and analog-to-digital-converter |
US9841485B2 (en) * | 2014-11-14 | 2017-12-12 | Allegro Microsystems, Llc | Magnetic field sensor having calibration circuitry and techniques |
US9804222B2 (en) * | 2014-11-14 | 2017-10-31 | Allegro Microsystems, Llc | Magnetic field sensor with shared path amplifier and analog-to-digital-converter |
US9804249B2 (en) | 2014-11-14 | 2017-10-31 | Allegro Microsystems, Llc | Dual-path analog to digital converter |
US9638766B2 (en) | 2014-11-24 | 2017-05-02 | Allegro Microsystems, Llc | Magnetic field sensor with improved accuracy resulting from a variable potentiometer and a gain circuit |
TWI582447B (zh) * | 2014-12-11 | 2017-05-11 | 財團法人工業技術研究院 | 磁場感測裝置及其磁場感測方法 |
US9684042B2 (en) | 2015-02-27 | 2017-06-20 | Allegro Microsystems, Llc | Magnetic field sensor with improved accuracy and method of obtaining improved accuracy with a magnetic field sensor |
US10120041B2 (en) | 2015-03-27 | 2018-11-06 | Allegro Microsystems, Llc | Magnetic field sensor |
US9523742B2 (en) * | 2015-04-27 | 2016-12-20 | Allegro Microsystems, Llc | Circuits and methods for modulating current in circuits comprising sensing elements |
US11092656B2 (en) * | 2015-05-12 | 2021-08-17 | Texas Instruments Incorporated | Fluxgate magnetic field detection method and circuit |
US11163022B2 (en) | 2015-06-12 | 2021-11-02 | Allegro Microsystems, Llc | Magnetic field sensor for angle detection with a phase-locked loop |
US9851417B2 (en) | 2015-07-28 | 2017-12-26 | Allegro Microsystems, Llc | Structure and system for simultaneous sensing a magnetic field and mechanical stress |
US10527703B2 (en) | 2015-12-16 | 2020-01-07 | Allegro Microsystems, Llc | Circuits and techniques for performing self-test diagnostics in a magnetic field sensor |
US9739847B1 (en) | 2016-02-01 | 2017-08-22 | Allegro Microsystems, Llc | Circular vertical hall (CVH) sensing element with signal processing |
US10481220B2 (en) | 2016-02-01 | 2019-11-19 | Allegro Microsystems, Llc | Circular vertical hall (CVH) sensing element with signal processing and arctangent function |
US9739848B1 (en) | 2016-02-01 | 2017-08-22 | Allegro Microsystems, Llc | Circular vertical hall (CVH) sensing element with sliding integration |
US11187763B2 (en) | 2016-03-23 | 2021-11-30 | Analog Devices International Unlimited Company | Offset compensation for magnetic field detector |
KR102043210B1 (ko) * | 2016-04-19 | 2019-11-12 | 인피니온 테크놀로지스 아게 | 다중 신호 경로들을 사용하는 센서 자체 진단 |
US10132879B2 (en) * | 2016-05-23 | 2018-11-20 | Allegro Microsystems, Llc | Gain equalization for multiple axis magnetic field sensing |
US10385964B2 (en) | 2016-06-08 | 2019-08-20 | Allegro Microsystems, Llc | Enhanced neutral gear sensor |
US10041810B2 (en) | 2016-06-08 | 2018-08-07 | Allegro Microsystems, Llc | Arrangements for magnetic field sensors that act as movement detectors |
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US10260905B2 (en) | 2016-06-08 | 2019-04-16 | Allegro Microsystems, Llc | Arrangements for magnetic field sensors to cancel offset variations |
US10585147B2 (en) | 2016-06-14 | 2020-03-10 | Allegro Microsystems, Llc | Magnetic field sensor having error correction |
DE102016014891B4 (de) * | 2016-12-15 | 2019-03-14 | Tdk-Micronas Gmbh | Kalibrierungsverfahren für einen Hall-Effekt-Sensor |
US10739164B2 (en) | 2017-01-27 | 2020-08-11 | Allegro Microsystems, Llc | Circuit for detecting motion of an object |
US10495701B2 (en) | 2017-03-02 | 2019-12-03 | Allegro Microsystems, Llc | Circular vertical hall (CVH) sensing element with DC offset removal |
US10310028B2 (en) | 2017-05-26 | 2019-06-04 | Allegro Microsystems, Llc | Coil actuated pressure sensor |
US10837943B2 (en) | 2017-05-26 | 2020-11-17 | Allegro Microsystems, Llc | Magnetic field sensor with error calculation |
US11428755B2 (en) | 2017-05-26 | 2022-08-30 | Allegro Microsystems, Llc | Coil actuated sensor with sensitivity detection |
US10641842B2 (en) | 2017-05-26 | 2020-05-05 | Allegro Microsystems, Llc | Targets for coil actuated position sensors |
US10324141B2 (en) | 2017-05-26 | 2019-06-18 | Allegro Microsystems, Llc | Packages for coil actuated position sensors |
US10996289B2 (en) | 2017-05-26 | 2021-05-04 | Allegro Microsystems, Llc | Coil actuated position sensor with reflected magnetic field |
US10211739B2 (en) | 2017-06-28 | 2019-02-19 | Semiconductor Components Industries, Llc | Methods and apparatus for an integrated circuit |
US10739165B2 (en) | 2017-07-05 | 2020-08-11 | Analog Devices Global | Magnetic field sensor |
US10763055B2 (en) | 2017-09-01 | 2020-09-01 | Te Connectivity Corporation | Pin configurable smart current sensor |
US10823764B2 (en) | 2017-09-01 | 2020-11-03 | Te Connectivity Corporation | Hall effect current sensor |
US10444299B2 (en) * | 2017-09-11 | 2019-10-15 | Allegro Microsystems, Llc | Magnetic field sensor's front end and associated mixed signal method for removing chopper's related ripple |
US10481219B2 (en) * | 2017-09-11 | 2019-11-19 | Allegro Microsystems, Llc | Magnetic field sensor with feedback loop for test signal processing |
US20210190893A1 (en) | 2017-10-06 | 2021-06-24 | Melexis Technologies Nv | Magnetic sensor sensitivity matching calibration |
EP3467528B1 (en) | 2017-10-06 | 2020-05-20 | Melexis Technologies NV | Magnetic sensor sensitivity matching calibration |
US10591320B2 (en) | 2017-12-11 | 2020-03-17 | Nxp B.V. | Magnetoresistive sensor with stray field cancellation and systems incorporating same |
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JP7006633B2 (ja) | 2019-02-13 | 2022-01-24 | Tdk株式会社 | 磁気センサシステム |
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JP2020171162A (ja) * | 2019-04-04 | 2020-10-15 | 日本電産株式会社 | モータ |
JP2020178448A (ja) * | 2019-04-18 | 2020-10-29 | 日本電産株式会社 | モータ |
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US11280637B2 (en) | 2019-11-14 | 2022-03-22 | Allegro Microsystems, Llc | High performance magnetic angle sensor |
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EP3848715A1 (en) * | 2020-01-10 | 2021-07-14 | Centre National de la Recherche Scientifique | Device for measuring a magnetic field, associated system and method |
US11002804B1 (en) * | 2020-01-14 | 2021-05-11 | Honeywell International Inc. | Magnetic field sensor compensation methods and systems |
US11194004B2 (en) | 2020-02-12 | 2021-12-07 | Allegro Microsystems, Llc | Diagnostic circuits and methods for sensor test circuits |
US11169223B2 (en) | 2020-03-23 | 2021-11-09 | Allegro Microsystems, Llc | Hall element signal calibrating in angle sensor |
JP2021152512A (ja) * | 2020-03-24 | 2021-09-30 | 甲神電機株式会社 | ホール素子センサおよびその動作方法 |
US11262422B2 (en) | 2020-05-08 | 2022-03-01 | Allegro Microsystems, Llc | Stray-field-immune coil-activated position sensor |
CN111398650B (zh) * | 2020-06-04 | 2020-10-09 | 华中科技大学 | 一种基于多传感器融合的快响应直流比较仪 |
US11782101B2 (en) | 2020-08-06 | 2023-10-10 | Cirrus Logic, Inc. | Hall sensor-based data acquisition system |
US11290120B2 (en) * | 2020-08-06 | 2022-03-29 | Cirrus Logic, Inc. | Resistive sensor based data acquisition system using low distortion analog front-end and digital gain error correction |
US11307267B1 (en) * | 2020-11-09 | 2022-04-19 | Texas Instruments Incorporated | Hall sensor analog front end |
US11927650B2 (en) | 2021-01-04 | 2024-03-12 | Allegro Microsystems, Llc | Magnetic-field closed-loop sensors with diagnostics |
US11802922B2 (en) | 2021-01-13 | 2023-10-31 | Allegro Microsystems, Llc | Circuit for reducing an offset component of a plurality of vertical hall elements arranged in one or more circles |
DE102021102051A1 (de) * | 2021-01-29 | 2022-08-04 | Infineon Technologies Ag | Vorrichtungen und verfahren zur erfassung von elektrischem strom |
DE102021130769A1 (de) * | 2021-02-12 | 2022-08-18 | Advantest Corporation | Regeleinrichtung für einen magnetfeldgenerator, testgerät und regelverfahren für magnetfelder |
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US11630130B2 (en) | 2021-03-31 | 2023-04-18 | Allegro Microsystems, Llc | Channel sensitivity matching |
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EP4382941A1 (en) * | 2022-12-07 | 2024-06-12 | LX Semicon Co., Ltd. | Analog front-end circuit and camera module control driver including the same |
US20240230791A1 (en) * | 2023-01-10 | 2024-07-11 | Allegro Microsystems, Llc | Self-calibrating magnetoresistance-based magnetic field sensors |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4037150A (en) * | 1973-05-30 | 1977-07-19 | Sergei Glebovich Taranov | Method of and apparatus for eliminating the effect of non-equipotentiality voltage on the hall voltage |
JPS51117080A (en) * | 1975-04-07 | 1976-10-14 | Ricoh Co Ltd | Magnetic field measuring method using hall element |
CH664632A5 (de) * | 1984-08-16 | 1988-03-15 | Landis & Gyr Ag | Schaltungsanordnung zur kompensation von schwankungen des uebertragungsfaktors eines magnetfeldsensors. |
JPH07113665B2 (ja) * | 1990-05-21 | 1995-12-06 | シャープ株式会社 | 超電導磁界測定装置 |
JPH0440384A (ja) * | 1990-06-05 | 1992-02-10 | Sumitomo Electric Ind Ltd | センサ回路 |
US5351005A (en) * | 1992-12-31 | 1994-09-27 | Honeywell Inc. | Resetting closed-loop magnetoresistive magnetic sensor |
JPH06317637A (ja) * | 1993-05-06 | 1994-11-15 | Murata Mfg Co Ltd | 磁性検出装置 |
JP3323446B2 (ja) * | 1998-08-20 | 2002-09-09 | 大崎電気工業株式会社 | 磁気センサ回路 |
JP3782915B2 (ja) * | 2000-02-16 | 2006-06-07 | セイコーインスツル株式会社 | 磁気センサを有する電子機器 |
DE10062292A1 (de) * | 2000-12-14 | 2002-03-07 | Infineon Technologies Ag | Meßanordnung, insbesondere zur Erfassung von Magnetfeldern |
JP4267271B2 (ja) * | 2001-08-30 | 2009-05-27 | 株式会社東芝 | 磁性体検出装置 |
-
2004
- 2004-09-16 EP EP04405584A patent/EP1637898A1/en not_active Withdrawn
-
2005
- 2005-09-14 US US11/663,136 patent/US7746065B2/en active Active
- 2005-09-14 CN CN2005800311762A patent/CN101023367B/zh active Active
- 2005-09-14 EP EP05850649.4A patent/EP1789813B1/en active Active
- 2005-09-14 JP JP2007531864A patent/JP4757260B2/ja active Active
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JP2008513762A (ja) | 2008-05-01 |
JP4757260B2 (ja) | 2011-08-24 |
US20070247141A1 (en) | 2007-10-25 |
US7746065B2 (en) | 2010-06-29 |
EP1789813A1 (en) | 2007-05-30 |
EP1637898A1 (en) | 2006-03-22 |
EP1789813B1 (en) | 2016-03-30 |
WO2006056829A1 (en) | 2006-06-01 |
CN101023367B (zh) | 2010-06-09 |
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