Allegro Microsystems, LLC

Gregory Delmain

William P Taylor

Michael C Doogue

Shaun D Milano

Michael J Gaboury

David Jamie Haas

Steven L Kosier

Georges El Bacha

Methods and apparatus for providing an integrated circuit having a drive current source, a magnetic sensing element coupled to the drive current source, the magnetic sensing element having first and second differential outputs, and first and second current elements to provide respective currents in relation to the drive current source, wherein the first current element is coupled to the first differential output and the second current element is coupled to the second differential output. In illustrative embodiments, an IC output can output a voltage corresponding to the currents of the first and second current elements.

Methods and apparatus for sensor diagnostics

A structure having collocated magnetic field sensing elements can be used to simultaneously determine magnetic field and mechanical stress. A primary magnetic field sensing element generates a primary signal responsive to a magnetic field and a secondary magnetic field sensing element generates a secondary signal responsive to mechanical stress. A system includes a stress compensation module to receive the primary and signals, and to compensate for mechanical stress in the primary signal.

Structure and system for simultaneous sensing a magnetic field and mechanical stress

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Minnetrista, MN, United States of America

Gregory Delmain