Usb power delivery is covered by the relevant adopters agreements for either usb 2 0 or usb 3 0 depending on the specification implemented.
Usb power delivery 2 0 specification.
Recommendations for which adopters agreements are appropriate to execute are listed below.
Cable length should be 2 m for gen 1 or 1 m for gen 2.
They are electronically marked cables that contain a chip with an id function based on the configuration channel and vendor defined messages vdm from the usb power delivery 2 0 specification.
56 63 64 it covers the usb c cable and connector with four power ground pairs and a separate configuration channel which now hosts a dc coupled low frequency bmc coded data channel that reduces the possibilities for rf.
Usb 3 1 cables are considered full featured usb c cables.
In december 2014 usb if submitted usb 3 1 usb power delivery 2 0 and usb c specifications to the iec tc 100 audio video and multimedia systems and equipment for inclusion in the international standard iec 62680 universal serial bus interfaces for data and power which is currently based on usb 2 0.
Usb power delivery specification revision 2 0 version 1 3 and corresponding adopters agreement.
The usb power delivery specification revision 2 0 usb pd rev.
Usb power delivery specification revision 3 0 version 2 0 ecns february 7 2020.