Omnipolar Hall-effect switches target in-car sensing

February 15, 2019 //By Julien Happich
Omnipolar Hall-effect switches target in-car sensing
Diodes Incorporated has released a series of omnipolar Hall-effect switches, the AH356xQ, fully certified for automotive applications and qualified to AEC-Q100 Grade 0.

Typical applications for these rugged Hall-effect switches include position and proximity sensing, open and close detection, level detection and flow metering. The switches feature a wide operating voltage range of 3V to 28V with an impressive 8kV HBM ESD rating and can operate across an extended ambient temperature range of -40 to +150°C.

Other features include input supply reverse polarity and overvoltage protection, along with output overvoltage and overcurrent protection. The AH356xQ series offers three devices available with different tight magnetic switching thresholds, all offering high threshold stability and low temperature drift.

All of the devices in the AH356xQ series feature active-low, open-drain outputs and offer fast power-up (10µs) and response times (3.75µs), making the devices particularly suitable for time-critical applications in protection and fault detection. 

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