A1223LLHLT-T - Allegro MicroSystems

Manufacturer Part Number

A1223LLHLT-T

Manufacturer

Allegro MicroSystems

Introduction

Hall-effect based magnetic sensor IC

Provides a latching digital output in response to a magnetic field

Product Features and Performance

Wide operating voltage range: 3V to 24V

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

Low current consumption: max 4mA

High output current capability: max 25mA

Operates with a south pole magnetic field

Sensing range: 18mT trip, -18mT release

Latching function

Product Advantages

Robust and reliable operation

Small and compact surface mount package

Suitable for automotive and industrial applications

Key Technical Parameters

Voltage Supply: 3V to 24V

Operating Temperature: -40°C to 150°C

Output Type: Open Drain

Current Supply (Max): 4mA

Sensing Range: 18mT trip, -18mT release

Function: Latch

Current Output (Max): 25mA

Technology: Hall Effect

Mounting Type: Surface Mount

Quality and Safety Features

RoHS3 compliant

AEC-Q100 qualified (for automotive applications)

Compatibility

Compatible with a wide range of electronic systems and control circuits

Application Areas

Automotive systems (e.g., seat belt detection, door position sensing)

Industrial equipment (e.g., limit switches, proximity sensing)

Consumer electronics (e.g., lid/door detection, position sensing)

Product Lifecycle

This product is an active and widely used component

Replacement and upgrade options are available from the manufacturer

Key Reasons to Choose This Product

Wide operating voltage and temperature range for versatile applications

Low power consumption and high output current capability

Robust and reliable latching function for critical sensing applications

Small surface mount package for space-constrained designs

Automotive and industrial quality and safety certifications