Switches and Latches

Chopper-Stabilized Precision Hall-Effect Latches

A1220-1-2-3

Allegro MicroSystems recommends APS12200/10/30 for all new Automotive 3-wire Hall-Effect latch IC designs. The A1220-A1223 are temperature-stable, stress-resistant Hall-effect sensor ICs for extended temperature ranges up to 150°C. Featuring dynamic offset cancellation, integrated regulator, and short-circuit protected output, they operate from 3V to 24V, with a south pole turning the output on.

Product Details

Top Features

  • AEC-Q100 automotive qualified 
  • Symmetrical latch switchpoints
  • Resistant to physical stress
  • Superior temperature stability
  • Output short-circuit protection
  • Operation from unregulated supply down to 3 V
  • Reverse battery protection
  • Solid-state reliability
  • Small package sizes

Part Number Specifications and Availability