To achieve power-saving by reducing drive power, while reducing a current which has been wasteful and flows continuously as a DC resistance component.

A motor driving device turns ON a switch SW1 and a switch SW4 among switches SW1-SW6 and allows a current from a power supply to flow via a first capacitor C1 so as to execute drive of a motor M and accumulation of charges in the first capacitor C1. Then, the device turns ON a switch SW2, a switch SW3, and a switch SW6 and allows a current to flow in a state of adding charges stored in the first capacitor C1 to a power supply voltage supplied from the power supply so as to rotationally drive the motor M and to facilitate rotation of the motor M. Such a control is alternately and switchingly controlled for each rotation by about 180 degrees of a motor.