FD0252b/FD0256b is a single coil motor driver with embedded Hall sensor. It integrates the motor driver with the Hall sensor, which simplifies the PCB(printed circuit board) design and make the fabrication of small-size motors possible. Lock-shutdown and auto-restart function keeps the motor from being over-heated and restarts the motor after being locked. “Soft-switch” phase-switching technique is used to reduce the vibration and acoustic noise. Thermal-shutdown protection ensures the motor driver to operate under specified temperature ranges. All the protection mechanisms mentioned above combine to provide a complete protecting scenario for the motor system, keep the motor system from possible damages and guarantee correct operations.
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