Usb Power Delivery 3 0 Specification

Power delivery 3 0 vs 2 0.

Usb power delivery 3 0 specification.

There are a number of significant differences between the pd 2 0 specification and the latest 3 0 specification. Since the pd 1 0 specification usb pd s power profiles were a way to communicate power supply capabilities to a usb end. The usb type c specification 1 0 was published by the usb implementers forum usb if and was finalized in august 2014. Usb c formally known as usb type c is a 24 pin usb connector system with a rotationally symmetrical connector.

Usb power delivery specification revision 3 0 version 2 0 ecns february 7 2020. Recommendations for which adopters agreements are appropriate to execute are listed below. The usb power delivery specification revision 3 0 defines a programmable power supply pps protocol that allows granular control over v bus power in 20 mv steps to facilitate constant current or constant voltage charging. Revision 3 0 also adds extended configuration messages fast role swap and deprecates the bfsk protocol.

Usb 2 0 adopters agreement plus the usb power delivery specification adopters agreement. 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 3 0 ports may implement other usb specifications for increased power including the usb battery charging specification for up to 1 5 a or 7 5 w or in the case of usb 3 1 the usb power delivery specification for charging the host device up to 100 w. In july 2016 it was adopted by the iec as iec 62680 1 3.

Usb power delivery is a separate specification that can work across usb 2 0 and 3 0 ports and cables but you ll still need a usb type c port too due to the communication pins used by the standard. It was developed at roughly the same time as the usb 3 1 specification. Power delivery profiles pdps. The usb 3 0 specification was released on 12 november 2008 with its management transferring from usb 3 0 promoter group to the usb implementers forum usb if and announced on 17 november 2008 at the superspeed usb developers conference.