Part A1131
Description Two-Wire Unipolar Vertical Hall-Effect Switches
Manufacturer Allegro MicroSystems
Size 1.25 MB
Allegro MicroSystems

A1131 Overview

Description

The A1130, A1131, and A1132 are vertical Hall-effect sensor ICs developed in accordance with ISO 26262:2011. The A113x devices feature integrated continuous diagnostic features and a safe output state that supports a functional safety level of ASIL B.

Key Features

  • 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