MOTOR DRIVING DEVICE AND METHOD THEREOF

摘要

PURPOSE: A motor driving device and a method thereof are provided to stop a motor while reducing the braking noise and the stopping time. CONSTITUTION: A motor driving device comprises a brake mode switching signal production unit(10) for detecting the number of revolutions per unit time of a rotor according to a change in a positional relationship between motor windings of a plurality of phases and the rotor so as to output a brake mode switching signal for selecting either a short brake mode or a reverse brake mode for braking the rotor based on the number of revolutions, and a controller(210) for outputting an energization control signal for controlling energization of the motor windings of a plurality of phases in response to the brake mode switching signal.