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US Patent 11567108 Multi-gain channels for multi-range sensor

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Is a
Patent
Patent
1

Patent attributes

Patent Applicant
Allegro Microsystems, Llc
Allegro Microsystems, Llc
1
Current Assignee
Allegro Microsystems, Llc
Allegro Microsystems, Llc
1
Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
1
Patent Number
115671081
Date of Patent
January 31, 2023
1
Patent Application Number
172187831
Date Filed
March 31, 2021
1
Patent Citations
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US Patent 10114044 Current sensor
1
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US Patent 10069063 Integrated circuit having first and second magnetic field sensing elements
1
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US Patent 10073136 Methods and apparatus for sensor diagnostics including sensing element operation
1
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US Patent 10107873 Electronic circuit for compensating a sensitivity drift of a hall effect element due to stress
1
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US Patent 10132879 Gain equalization for multiple axis magnetic field sensing
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US Patent 10162017 Systems and methods for reducing high order hall plate sensitivity temperature coefficients
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US Patent 10247758 Current sensor
1
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US Patent 10254354 Electronic circuit for compensating a sensitivity drift of a hall effect element due to stress
...
Patent Primary Examiner
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Son T Le
1
CPC Code
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G01R 15/202
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G01R 15/205
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G01R 33/0017
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G01R 33/09
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G01R 33/12
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G01R 33/07
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G01R 33/075
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G01R 33/1246
1
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A current sensor including: a sensing unit including one or more sensing elements, the sensing unit being arranged to generate, at least in part, an internal signal, the internal signal being generated in response to a magnetic field, the magnetic field being produced, at least in part, by an electrical current that is sensed with the sensing unit; a first signal processing path coupled to the sensing unit, the first signal processing path including a first compensation unit for adjusting the internal signal, the first signal processing path being configured to generate a first signal based on the internal signal; a second signal processing path coupled to the sensing unit, the second signal processing path including a second compensation unit for adjusting the internal signal, the second path having a different sensitivity than the first path.

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