Switches and Latches

Two-Wire Unipolar Vertical Hall-Effect Switches with Advanced Diagnostics

A1130-1-2

This part is in production but has been determined to be LAST TIME BUY. The A1130-A1132 are ISO 26262-compliant vertical Hall-effect sensor ICs with integrated diagnostics and a safe output state. Ideal for safety-critical automotive applications, these two-wire unipolar switches are south pole sensitive, temperature stable, and offer robust automotive-grade protection.

Product Details

Top Features

  • Continuously operating background diagnostics
  • Integrated regulator undervoltage monitor
  • Magnetic sensing parallel to surface of package
  • Internal current regulator for two-wire operation
  • Highly sensitive unipolar switch thresholds
  • Operation down to 3 V
  • Selection of temperature coefficients (TC) to match magnet properties
  • Small package sizes, 3-pin SOT23W and SIP
  • Automotive-grade ruggedness
    • Qualified per AEC-Q100
    • Internal protection circuits enable 40 V load dump compliance
    • Operation up to 165°C junction temperature
    • Low temperature drift and high physical stress resistance
    • Solid-state reliability
    • Reverse-battery and overvoltage protection

Part Number Specifications and Availability