Manufacturer Part Number
A1123LLHLT-T
Manufacturer
Allegro MicroSystems
Introduction
Magnetic sensor switch for automotive and industrial applications
Provides a digital output based on the presence of a magnetic field
Product Features and Performance
Wide operating voltage range of 3V to 24V
Wide operating temperature range of -40°C to 85°C
Robust Hall-effect technology
Unipolar switch function
South pole sensitive
Sensing range of 35.5mT trip, 15mT release
Open drain output with maximum current of 25mA
Low current consumption of up to 4mA
Product Advantages
Versatile and reliable magnetic sensing solution
Wide voltage and temperature operating range
Compact surface mount package
Suitable for automotive and industrial applications
Key Technical Parameters
Voltage: 3V to 24V
Operating temperature: -40°C to 85°C
Sensing range: 35.5mT trip, 15mT release
Output type: Open drain
Supply current: Up to 4mA
Output current: Up to 25mA
Quality and Safety Features
ROHS3 compliant
AEC-Q100 qualified for automotive applications
Compatibility
Suitable for a wide range of applications requiring magnetic sensing and switching
Application Areas
Automotive systems (e.g., engine control, transmission, brakes)
Industrial automation and control
Machinery and equipment monitoring
Household appliances
Product Lifecycle
This product is an active and widely used part in the Allegro MicroSystems product portfolio
Replacement or upgrade options may be available, depending on the specific application requirements
Key Reasons to Choose This Product
Robust and reliable Hall-effect technology
Wide operating voltage and temperature range
Compact and easy-to-integrate surface mount package
Versatile unipolar switch function
Low current consumption
Automotive and industrial grade quality and safety features
A1126LLHLTALLEGRO
A1136-106PCOLE