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Camshaft Position Sensors

Allegro provides fully integrated camshaft position sensor IC solutions for EMC protection and true power on state (TPOS). Our high accuracy TPOS performance across installation air gaps allows your engines to start faster and more run efficiently. Plus, our sophisticated algorithms are designed to preserve edge accuracy in the presence of application/target anomalies; keeping your engine running smoothly.

Camshaft Position Sensor Selection Guide

Selection & Solution Guides

Allegro Product Selection Guide (PDF)

Documentation & Resources

Benefits of Dynamic Threshold Feature in ATS16351, GMR Back-Biased Speed Sensor IC

Application Note

Benefits of Dynamic Threshold Feature in ATS16351, GMR Back-Biased Speed Sensor IC

AN296257 - The Allegro ATS16351PSM [1] is a True-Power-On-State (TPOS) sensor providing the speed and position of a rotational ferromagnetic target.

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Differential Hall-Effect Sensors: Safer and More Reliable for Two-Wheelers of the Future

Application Note

Differential Hall-Effect Sensors: Safer and More Reliable for Two-Wheelers of the Future

August 27, 2019

AN296173 - The use of electronic controls for engine, transmission, and wheel speed in two- and three-wheeled vehicles is growing, particularly in ...

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Fundamental Properties of Speed Sensors

Application Note

Fundamental Properties of Speed Sensors

The aim of this application note is to provide a solid foundation for understanding and comparing the fundamental properties of speed sensors that ...

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Methods and Validation of Stray Magnetic Field Mitigation in Magnetic Speed Sensor ICs

Application Note

Methods and Validation of Stray Magnetic Field Mitigation in Magnetic Speed Sensor ICs

AN296250 - This document provides an overview of the phenomena of stray magnetic fields, its various sources, solutions developed to minimize its ...

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Method for Mechanical Mounting Tolerance Compensation on Allegro Speed Sensors

Application Note

Method for Mechanical Mounting Tolerance Compensation on Allegro Speed Sensors

AN296175 - Accuracy requirements for absolute mechanical edge detection on cam sensors and more generally on engine management speed sensors have ...

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Brochure: Revolutionary GMR Cam/Crankshaft Sensors

Brochure

Brochure: Revolutionary GMR Cam/Crankshaft Sensors

The new Allegro ATS16951 crankshaft and ATS16351 camshaft sensors leverage giant-magnetoresistance (GMR) technology to create an ideal pairing for ...

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