A1223LLHLX-T - Allegro MicroSystems

Manufacturer Part Number

A1223LLHLX-T

Manufacturer

Allegro MicroSystems

Introduction

High-sensitivity, chopper-stabilized, Hall-effect switch

Ideal for speed and position sensing applications

Product Features and Performance

Operates on a south pole

Latch function

Wide supply voltage range: 3V to 24V

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

Low current consumption: 4mA max

Output current capability: 25mA max

SOT-23W package

Product Advantages

High sensitivity and stability

Wide temperature range

Compact size

Low power consumption

Robust Hall-effect switch performance

Key Technical Parameters

Supply Voltage: 3V to 24V

Operating Temperature: -40°C to 150°C

Sensing Range: 18mT (Trip), -18mT (Release)

Output Type: Open Drain

Supply Current: 4mA max

Output Current: 25mA max

Quality and Safety Features

RoHS3 compliant

AEC-Q100 qualified (Automotive Grade)

Compatibility

Suitable for speed and position sensing applications

Application Areas

Automotive systems

Industrial controls

White goods

Consumer electronics

Product Lifecycle

Current product, no discontinuation plans

Replacement or upgrade options available

Key Reasons to Choose This Product

High sensitivity and stability for accurate sensing

Wide temperature range for use in harsh environments

Compact size for space-constrained designs

Low power consumption for energy-efficient systems

Robust Hall-effect switch performance for reliable operation