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Allegro MicroSystems A17502 Dual Output Narrow Pitch Differential Speed and Direction Sensor ICs are designed for rotational position sensing of a ring magnet target found in automotive and industrial electric motor applications (often with specific application and safety requirements). The A17502, a narrow target pitch, speed, and direction sensor IC, is intended to supply incremental position for asynchronous electric motors operating up to 30k RPM.
The Allegro MicroSystems A17502 Dual Output Narrow Pitch Differential Speed and Direction Sensor ICs highlight two independent differential output channels that offer high-resolution XOR speed, pulse, and direction protocols. Advanced calibration techniques are used to optimize signal offset and amplitude. This calibration, combined with the digital tracking of the signal, results in accurate switch points over air gap, speed, and temperature. Combined with sensing a narrow target pitch of 1.1mm, the A17502 delivers a reliable and robust electric vehicle (EV) application solution.
The A17502 is programmed for various applications requiring dual-phase target speed and position signal information or simultaneous high-resolution target speed and direction information. The device is configured to enable Fault Detection mode for ASIL B(D) utilization (assessment pending), providing an excellent level of performance for electric motors.
