Manufacturer Part Number
A1220ELHLT-T
Manufacturer
Allegro MicroSystems
Introduction
The A1220ELHLT-T is a Hall-effect latch sensor from Allegro MicroSystems, designed for use in automotive and industrial applications.
Product Features and Performance
Operates on a supply voltage of 3V to 24V
Wide operating temperature range of -40°C to 85°C
Sensitive to the south pole of a magnetic field
Latching function with a 4mT trip point and -4mT release point
Maximum supply current of 4mA and maximum output current of 25mA
Small SOT-23W surface mount package
Product Advantages
Robust Hall-effect sensing for reliable magnetic detection
Wide operating voltage and temperature ranges for versatile applications
Latching function for self-maintained output state
Low power consumption
Key Technical Parameters
Voltage Supply: 3V ~ 24V
Operating Temperature: -40°C ~ 85°C (TA)
Test Condition: -40°C ~ 85°C
Output Type: Open Drain
Current Supply (Max): 4mA
Polarization: South Pole
Sensing Range: 4mT Trip, -4mT Release
Function: Latch
Current Output (Max): 25mA
Technology: Hall Effect
Mounting Type: Surface Mount
Quality and Safety Features
RoHS3 compliant
Automotive-grade AEC-Q100 qualification
Compatibility
Suitable for use in automotive, industrial, and other applications
Application Areas
Automotive systems (e.g., transmission, engine, and suspension)
Industrial automation and control systems
General magnetic sensing applications
Product Lifecycle
The A1220ELHLT-T is an active product with no plans for discontinuation.
Replacements and upgrades may be available from Allegro MicroSystems.
Key Reasons to Choose This Product
Robust and reliable Hall-effect sensing technology
Wide operating voltage and temperature ranges
Latching function for self-maintained output state
Low power consumption
Automotive-grade quality and safety features
Compatibility with a wide range of applications