Manufacturer Part Number
A1221LLHLT-T
Manufacturer
Allegro MicroSystems
Introduction
Solid-state magnetic sensor switch
Designed for automotive and industrial applications
Product Features and Performance
Operates on Hall-effect technology
Wide supply voltage range: 3V to 24V
Wide operating temperature range: -40°C to 150°C
Open-drain output
Latching function
South pole sensitive
Sensing range: 9mT trip, -9mT release
Product Advantages
Robust design for harsh environments
Compact surface-mount package
Low power consumption
High reliability and stability
Key Technical Parameters
Supply voltage: 3V ~ 24V
Operating temperature: -40°C ~ 150°C (TA)
Test condition: -40°C ~ 150°C
Output type: Open Drain
Supply current (max): 4mA
Output current (max): 25mA
Sensing range: 9mT trip, -9mT release
Quality and Safety Features
RoHS3 compliant
AEC-Q100 qualified for automotive applications
Compatibility
Suitable for a wide range of applications, including automotive, industrial, and consumer electronics
Application Areas
Automotive systems (e.g., position sensing, speed detection, etc.)
Industrial machinery
Consumer electronics
Product Lifecycle
No information on discontinuation or availability of replacements/upgrades
Key Reasons to Choose This Product
Robust and reliable design for harsh environments
Wide operating voltage and temperature range
Compact surface-mount package
Low power consumption
Latching function for position sensing