Apparatus and method for driving voice coil motor

The present invention relates to an apparatus and method for driving a voice coil motor. The apparatus for driving the voice coil motor according to the present invention includes: a command signal according to a digital signal which is generated from an input signal; and a driving unit which selects a path of a driving current which is applied to the voice coil motor according to the digital signal and drives the voice coil motor by controlling a duty of the driving current according to the command signal. [Reference numerals] (110) Digital signal generating unit; (120) Signal converting unit; (210) Comparing unit; (220) Control unit; (230) Switch unit; (240) Feedback circuit unit; (AA) First path; (BB) Second path