USB Power Delivery The USB Power Delivery interface supports the physical layer of the USB Power Delivery specification.<br/> – Supports Universal Serial Bus Power Delivery specification: Revision 3.0, V1.1, 12 January, 2017<br/> Primary function is the physical layer implementation of the Power Delivery (PD) specification USB Power Delivery The USB Power Delivery interface supports the physical layer of the USB Power Delivery specification.<br/> – Supports Universal Serial Bus Power Delivery specification: Revision 3.0, V1.1, 12 January, 2017<br/> Primary function is the physical layer implementation of the Power Delivery (PD) specification