Charging Integrated Controller with Multiple Inlets and Charging Integrated Control Method Using the Same

An embodiment charging integrated controller includes a plurality of inlets respectively engaged with a plurality of chargers by a charging coupler, a plurality of controllers, wherein each of the plurality of controllers is configured to determine a communication frequency occupied band of one inlet among the plurality of inlets based on a communication frequency occupied band of another inlet among the plurality of inlets, and a plurality of communication circuits configured to exchange information about a charging entry step of charging a high-voltage battery device through frequencies determined by the plurality of controllers.