A1220LLHLX-T - Allegro MicroSystems

Manufacturer Part Number

A1220LLHLX-T

Manufacturer

Allegro MicroSystems

Introduction

Highly integrated Hall-effect sensor IC for automotive and industrial applications

Provides a digital output that switches in response to a magnetic field

Product Features and Performance

Wide operating voltage range of 3V to 24V

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

Low current consumption of up to 4mA

Open-drain output capable of sinking up to 25mA

Latching function with south pole activation and release

Precise magnetic trip and release points of 4mT and -4mT respectively

Product Advantages

Robust performance in harsh environments

Compact surface-mount package (SOT-23W)

AEC-Q100 qualified for automotive applications

RoHS3 compliant for environmental compatibility

Key Technical Parameters

Supply Voltage: 3V to 24V

Operating Temperature Range: -40°C to 150°C

Output Type: Open Drain

Supply Current (Max): 4mA

Output Current (Max): 25mA

Magnetic Sensitivity: 4mT (trip), -4mT (release)

Function: Latching

Quality and Safety Features

AEC-Q100 qualified for automotive applications

RoHS3 compliant

Compatibility

Suitable for a wide range of automotive and industrial applications requiring magnetic sensing and switching

Application Areas

Automotive systems (e.g., position sensing, speed detection, gear detection)

Industrial automation (e.g., proximity sensing, limit switching, flow detection)

White goods (e.g., door position sensing, motor control)

Product Lifecycle

This product is currently in production and is not nearing discontinuation

Replacement and upgrade options may be available from Allegro MicroSystems

Key Reasons to Choose This Product

Robust performance in harsh environments with wide operating temperature and voltage ranges

Compact surface-mount package for space-constrained applications

Automotive-grade quality and safety with AEC-Q100 qualification and RoHS3 compliance

Versatile magnetic sensing capabilities with precise trip and release points

Low power consumption and high output current capability for efficient system design