Allegro MicroSystems has released two automotive magnetic sensors, one for crankshafts and one for camshafts, both using the giant magnetoresistance (GMR) effect. Although both come in a simple three-pin single in-line package, they are sophisticated digital processing ICs, and system-in-packages as they also incorporate a bias magnet and EMC protection components. Crankshaft The ATS16951 crankshaft sensor ...

This story continues at Self-setting crankshaft and camshaft sensors for hybrid vehicles

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