The 34929 Brushless DC (BLDC) Motor Driver IC is a complete BLDC motor driver system in one chip. It is designed to efficiently drive three-phase BLDC motors up to 1A and 28V, and has built in protection features making it ideal for a variety of consumer, portable, and office applications containing small motors. It incorporates digital I/O, making it easy to use with an MCU in a closed-loop motor control system. It has a built-in Hall-effect sensors interface and a Hall sensors voltage supply, so it can operate BLDC motors as a stand-alone controller/driver. Its sophisticated analog/mixed-signal state machine accommodates several modes of operation, including: Forward (CW), Reverse (CCW), Run/Stop, Braking, Variable Speed (External PWM), and Torque Limit (maximum-current-limit) modes.
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