Magnetic position sensors for automotive Supports full ISO26262

Redakteur: Dipl.-Ing. (FH) Hendrik Härter

New magnetic position sensors for automotive applications support full ISO26262 safety compliance and provide System-in-Package (SiP) format.

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The AS517x are magnetic position sensors for automotive applications and supports full ISO26262.
The AS517x are magnetic position sensors for automotive applications and supports full ISO26262.
(Pic: ams)

The AS5170 and AS5171 sensors were developed as SEooC (Safety Element out of Context) devices, as defined in the ISO26262 functional safety standard. Consistent with ams' strategy of helping its customers meet the ever-increasing demand for automotive safety features built into critical vehicle systems, the AS517x parts are ams' first magnetic position sensors to provide full data path diagnostics, enabling automotive system OEMs to achieve a higher level of ISO26262 systemlevel compliance. The diagnostic system built into the AS517x series tests the entire device, from the Hall sensor front end, through the DSP engine which converts raw measurements of magnetic field strength into sine and cosine vectors, to the back-end interfaces and pins. The AS517x series of sensors, which are qualified to AEC-Q100 Grade 0, very 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°. The devices are ideal for a range of safety-critical automotive applications.(heh)

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