Melexis Introduces New Low Voltage Digital Output Hall Effect Sensors

Melexis has introduced the MLX92212 family of digital output Hall effect sensors. Built on an advanced CMOS process these AEC-Q100-qualified devices deliver robust, automotive level performance at competitive price points. They also require significantly less operating current than competing devices on the market.

The MLX92212LSE-AAA low hysteresis bipolar latch and MLX92212LSE-ABA high hysteresis unipolar switch are optimized for 2.5V to 5.5V operation, making them suitable for pairing with many low power microcontrollers in embedded systems. Both the sensor and specified microcontroller can thereby share the same power rail. The sensors’ open-drain outputs allow simple connectivity with TTL/CMOS logic. They exhibit minimal magnetic switch point drift over temperature (up to 150 °C) or lifetime and can withstand 8kV electro-static discharge.

The MLX92212LSE-AAA is designed for use with multi-pole ring magnets or alternating magnetic fields. It is highly suited for BLDC motor commutation, speed sensing and magnetic encoder applications. Typical automotive uses include anti-trap/anti-pinch window lift controls, automatic door/hatch systems and automatic power seat positioning. The MLX92212LSE-ABA allows use of generic/weak magnets or larger air gaps. It can be employed in simple magnetic proximity sensing, interlocks in covers/hatches or ferrous-vane interrupt sensors for precise position and timing applications.

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