LMD18200 for Sensing and Controlling Motor Current Circuit Diagram

LMD18200 for Sensing and Controlling Motor Current Circuit Diagram - The herein schematic diagrams the LMD18200 with its current sensing feature that


motor current sensing circuit diagram

LMD18200 for Sensing and Controlling Motor Current Circuit Diagram - The herein schematic diagrams the LMD18200 with its current sensing feature that provides an easy ways of sensing and controlling the motor current.

Through the current sense output pin of the LMD18200, the LM3524D Regulating Pulse Width Modulator compares the voltages with an externally generated control voltage and adjusts the duty cycle of the control signal until the motor is running at the set desired current level.

In this circuit, bootstrap capacitors is required for the switching frequency to be set to 40kHz. Direction of motor rotation can be reversed by inverting the single control input phase.

Tags: LMD18200 motor driver, motor current sensing,
 

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