Magnetic sensing having hall plate routing to reduce inductive coupling

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 12140646
APP PUB NO 20240264248A1
SERIAL NO

18164676

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Abstract

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Methods and apparatus for canceling inductive coupling in a magnetic field sensing device having one or more Hall elements. A device can include a Hall element having a first pair of first and second voltage sensing terminals at diametrically opposed locations on the Hall element, and a second pair of third and fourth voltage sensing terminals diametrically opposed locations on the Hall element. A first mirror conductive path extends around a perimeter of the Hall element in a first direction a second mirror conductive path extends around the perimeter of the Hall element in a second direction so that the first and second mirror conductive paths are on opposite sides of the Hall element and are equal and opposite to cancel inductive coupling.

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Patent Owner(s)

Patent OwnerAddress
ALLEGRO MICROSYSTEMS LLC955 PERIMETER ROAD MANCHESTER NH 03103-3353

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Daigle, Tyler Scarborough, US 26 84
Daubert, Steven Bedford, US 8 107
McNally, Maxwell Manchester, US 8 10
Shivanakere, Srujan Nashua, US 4 8
Smith, Alec Merrimack, US 5 15

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