Sensors developed using ISO 26262 safety compliance

Posted By : Mick Elliott
Sensors developed using ISO 26262 safety compliance

The AS5170 magnetic angular position sensors from ams are now available at Mouser Electronics. The devices are ams’ first magnetic position sensors fully developed using the automotive industry’s program for ISO 26262 safety compliance to meet the increasing demand for automotive safety features built into critical vehicle systems.

The sensors provide full data path diagnostics, enabling automotive system OEMs to achieve a higher level of ISO 26262 system-level compliance. The diagnostic system built into the AS5170 devices tests the entire device, from the Hall sensor front end, through the DSP engine, to the back-end interfaces and pins.

Qualified to AEC-Q100 Grade 0, the sensors can accurately measure the absolute angle of rotation.

Their high, 12-bit output resolution enables precise measurements, even for reduced angular excursions down to a minimum arc of 90 degrees, making the devices ideal for a range of safety-critical automotive applications including chassis height, gear shifters, electronic power steering, exhaust gas recirculation, and brake pedal as well as throttle position sensing.

The sensors can benefit from stray magnetic field immunity, enabling unimpaired operation even in the presence of strong magnetic fields generated by electric motors, high current-carrying cables and other external devices.

This results in highly reliable performance and reduces system cost eliminating the need for the shielding.

The AS5170 sensors are available in an 8-pin SOIC package with either analog ratiometric (AS5170A) or digital PWM or SENT (AS5170B) output interfaces.


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