OH3172X, OH1881 Latch Hall IC

High temperature Latch hall IC

Supply voltage

Operating point (Bop)

Release point (BRP)

Operating temperature

Average supply current

Output current


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OH3172X OH1881 Latch Hall IC

Product description

OH3172X, OH1881 Hall-effect Latching Switch IC is composed of a reverse protector, voltage regulator, Hall voltage generator, differential amplifier, Schmitt trigger, and an open-collector output on a single silicon chip. It can convert the changeable magnetic field signal into a digital voltage output.


  • High reliability
  • anti-environmental stress
  • Reverse Polarity Protection
  • Interfacing with All Kinds of Logic Circuits


  • Non-contact switch
  • Speed measurement
  • Position detection
  • Brushless DC motor

Magnetic-electrical Transfer Characteristics


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