Patent ID: 7598703

Claim:
A portable charger having power factor correction capability for use with electric vehicles, comprising: a filtering rectifier module, a chip power supply module, a DC-DC power factor correction (“PFC”) module, and a DC-DC BUCK module, wherein the filtering rectifier module has one input port and two output ports; the chip power supply module has one input port and two output ports; the DC-DC PFC module has two input ports and one output port; the DC-DC BUCK module has two input ports and one output port; the two output ports of the filtering rectifier module are connected to the input port of the chip power supply module and the input port of the DC-DC PFC module, respectively; the output port of the DC-DC PFC module is connected to one of the input ports of the DC-DC BUCK module; the two output ports of the chip power supply module are connected, respectively, to the other input port of the DC-DC PFC module and to the other input port of the DC-DC BUCK module.