Silicon Labs, SI7201-B-40-IV [SI7201-B-40-IV]; 196-1382

The Si7201-40-IV , Omnipolar Switch Magnetic Sensor is designed to simplify magnetic switch/latch needs. The low power and high sensitivity of this device make it ideally suited for many applications. The Si7201-40-IV supports a wide temperature range of -40 to +125 °C.

Applications:

Replacement of reed switches in consumer, and security applications

Position sensing of HVAC knob, door locks, windows, and other mechanical devices

BLDC motor control

Camera image stabilization, zoom, and autofocus

Fluid level sensing

Control knobs and selector switches

General-purpose mechanical position sensing