Allegro MicroSystems Wheel Speed Sensor ICs feature GMR technology, offering a low jitter and high air gap over the most comprehensive installation tolerance. The devices additionally provide high accuracy for exact wheel speed and position measurement, ideal for advanced braking and autonomous vehicle applications.
A19351 GMR Wheel Speed/Direction Sensor ICs
Allegro MicroSystems A19351 Giant Magnetoresistance (GMR) AK Protocol Wheel Speed/Direction Sensor Integrated Circuits (ICs) are designed to measure ring magnets used in automotive braking systems. A19351 ICs provide wheel speed and direction information. The fully integrated circuits feature sensing elements, voltage regulators, analog-to-digital converters, and a digital controller. These components adaptively measure the magnetic signal and provide a robust, low-jitter AK Protocol output across a two-wire interface.