OH3144, OH137 and other unipolar switch Hall!
OH3144 Hall switch integrated circuit applies the Hall effect principle and is a magnetic sensitive circuit manufactured using semiconductor integration technology. It is composed of a voltage regulator, a Hall voltage generator, a differential amplifier, and a Schmitt trigger. , a magnetic sensing circuit composed of a temperature compensation circuit and an open-collector output stage. Its input is magnetic induction intensity, and its output is a digital voltage signal.