A4963 Sensorless BLDC Controller FEATURES AND BENEFITS • Three-phase sensorless BLDC motor control FET driver • Logic level P-N gate drive (P high-side, N low-side) • 4.
2 to 50 V supply range • Simple block commutation for maximum torque • Sensorless (bemf sensing) startup and commutation • Programmable operating modes: □□Integrated speed control □□PWM duty cycle control □□Current mode control • Cross-conduction prevention • Wide speed range capability • Peak current limiting • Single low-frequency PWM control input • Single open-drain fault output • SPI-compatible interface providing: □□Configuration and control □□Programmable dead time □□Programmable phase advance □□Detailed ...

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