PRE-CHARGE UNIT FOR CHARGING A DC LINK CAPACITOR AND BATTERY SYSTEM INCLUDING THE SAME

A pre-charge unit for charging a DC link capacitor includes a printed circuit board including at least one conductive layer; a pre-charge switch on the printed circuit board; and a pre-charge resistor electrically connected in series with the pre-charge switch, wherein the pre-charge resistor is formed by a conductive trace in the at least one conductive layer of the printed circuit board.