PG-VQFN-68 tray packing dual channel PD controllers with DC-DC converters and programmable for source application CYPD7271-68LQXQ is the tray packing option of Infineon’s highly integrated dual-port USB-C power delivery (PD) solution with the integrated DC-DC controller. It comes with a 68-QFN package, and it is used in USB-C PD power source applications.