A1120LUA-T - Allegro MicroSystems

Manufacturer Part Number

A1120LUA-T

Manufacturer

Allegro MicroSystems

Introduction

High-voltage, high-temperature high-sensitivity Hall-effect switch for automotive applications.

Product Features and Performance

Operates from 3V to 24V supply

Wide operating temperature range of -40°C to 150°C

High sensitivity with 5mT trip point and 0.5mT release point

Low power consumption with 4mA maximum supply current

Open-drain output can sink up to 25mA

Uses Hall-effect technology for precise, reliable switching

Product Advantages

Robust design for harsh automotive environments

Wide voltage and temperature operating ranges

High sensitivity for detection of weak magnetic fields

Low power consumption

Flexible open-drain output

Key Technical Parameters

Supply Voltage: 3V to 24V

Operating Temperature: -40°C to 150°C

Magnetic Sensitivity: 5mT trip, 0.5mT release

Supply Current: 4mA max

Output Current: 25mA max

Quality and Safety Features

RoHS3 compliant

AEC-Q100 qualified for automotive applications

Compatibility

Suitable for use in a wide range of automotive systems and applications

Application Areas

Automotive systems (e.g., engine control, transmission, anti-lock brakes, suspension)

Industrial equipment

Consumer electronics

Product Lifecycle

This product is currently in active production and not nearing discontinuation.

Replacement or upgrade options may be available from Allegro MicroSystems.

Key Reasons to Choose This Product

Robust, high-reliability design for harsh environments

Wide operating voltage and temperature ranges

High magnetic sensitivity for precise detection

Low power consumption

Flexible open-drain output for easy integration

Automotive-grade quality and safety certification