The A3187ELTTR is a high-precision Hall-effect switch designed for speed and direction sensing in automotive and industrial applications. Manufactured by Allegro MicroSystems, LLC, this device offers excellent performance and reliability in demanding environments.

Applications

• Automotive transmission speed sensing
• Wheel speed sensing
• Anti-lock braking systems (ABS)
• Industrial motor speed sensing
• Linear and rotary position sensing

Features

• High-precision Hall-effect switch
• Optimized for speed and direction sensing
• Built-in hysteresis for stable switching
• Reverse battery protection
• Short circuit protection
• High temperature performance

Benefits

• Provides accurate and reliable speed and direction information, improving system performance.
• Optimized design ensures consistent performance in demanding automotive and industrial environments.
• Built-in hysteresis prevents false triggering and ensures stable switching behavior.
• Reverse battery and short circuit protection enhance system reliability and prevent damage to the device.
• High temperature performance enables operation in harsh environments.

Additional Details

The A3187ELTTR uses advanced Hall-effect technology to detect the presence and direction of a magnetic field. The device's output switches based on the magnetic field strength and polarity, providing accurate information about speed and direction. The built-in hysteresis ensures that the output remains stable, even in the presence of noise or vibration. The reverse battery and short circuit protection features further enhance the device's robustness and reliability. Its compact package and comprehensive feature set make it a popular choice for speed and direction sensing applications requiring high performance and reliability.