This part is in production but has been determined to be LAST TIME BUY. The A1162 is a unipolar Hall-effect switch with externally enabled diagnostics and programmable switchpoints. It features on-chip self-test for safety-critical applications, operates from 3.8V to 24V, and offers temperature stability with advanced dynamic offset cancellation for precise magnetic sensing.
Product Details
Product Details
Top Features
- User-programmable unipolar switchpoints
- Integrated diagnostics for enhanced system safety and reliability
- Enabled on demand
- Integrated electromagnetic coils test the entire sensor signal path
- Chopper stabilized
- Resistant to physical stress
- Superior temperature stability
- Internal regulator for wide operating voltage range
- 3.8 to 24 V
- Automotive-grade ruggedness
- Solid-state reliability
- Reverse-battery protection
- Output short-circuit protection
- AEC-Q100 qualified
- Small surface-mount package
Target Application
- Shift Selector
- Seatbelt
- Seat Position
- Throttle Position
- HVAC
Part Number Specifications and Availability
Part Number | Output | Supply Voltage Max (V) | Temperature | Temp Ranges | Magnetic Sensing Dimension | Magnetic Detection | Typical BOP (mT/G) | Typical BRP (mT/G) |
---|---|---|---|---|---|---|---|---|
A1162LLETR-T | Voltage | 24.0 | -40°C to 150°C | 25/250 (max) (programmable) | -0.5/-5 (min) |
Design Tools
Technical Documentation

Application Note
Allegro Microsystems - Chemical Exposure of Devices

Application Note
Handling, Storage, and Shelf Life of Semiconductor Devices

Application Note
Allegro Hall-Effect Sensor ICs

Guide
Guidelines for Designing Subassemblies Using Hall-Effect Devices

Guide
Hall-Effect IC Applications Guide

Technical Article