Manufacturer Part Number
A1155LLHLT-T
Manufacturer
Allegro MicroSystems
Introduction
Allegro MicroSystems' A1155 is a unipolar Hall-effect switch IC designed for use in high-temperature industrial and automotive applications.
Product Features and Performance
Operates from 3V to 24V supply
Wide operating temperature range of -40°C to 150°C
Precise magnetic switching thresholds of 6mT (trip) and 1mT (release)
Fast response time
Low quiescent current of 17mA (max)
Solid-state Hall-effect technology
Product Advantages
Suitable for high-temperature environments
Robust magnetic switching performance
Low power consumption
Compact surface-mount package
Key Technical Parameters
Supply Voltage: 3V to 24V
Operating Temperature: -40°C to 150°C
Magnetic Switching Thresholds: 6mT (trip), 1mT (release)
Maximum Supply Current: 17mA
Quality and Safety Features
RoHS3 compliant
Tape and reel packaging for surface mount assembly
Compatibility
Suitable for a variety of industrial and automotive applications requiring solid-state magnetic sensing
Application Areas
Industrial machinery
Automotive systems
Robotics
Appliances
Product Lifecycle
The A1155 is an active and widely available product from Allegro MicroSystems.
Key Reasons to Choose This Product
Reliable operation in high-temperature environments
Precise magnetic switching thresholds for accurate sensing
Low power consumption for energy-efficient designs
Compact surface-mount package for space-constrained applications
RoHS3 compliance for use in environmentally-friendly products