Usb Power Delivery 3 0 Wiki

D2t2 1 usb power delivery pdf 1 13 mb.

Usb power delivery 3 0 wiki.

Usb 3 1 gen 2 with displayport over type c n an a. 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. Usb power delivery 簡稱 usb pd.

A usb system consists of a host with one or more downstream ports and multiple peripherals forming a tiered star topology. Power delivery 3 0 vs 2 0. Power delivery profiles pdps. Usb 2 0 adopters agreement plus the usb power delivery specification adopters agreement.

Additional usb hubs may be included allowing up to five tiers. What this means is that. Usb power delivery is covered by the relevant adopters agreements for either usb 2 0 or usb 3 0 depending on the specification implemented. Since the pd 1 0 specification usb pd s power profiles were a way to communicate power supply capabilities to a usb end.

Extending usb s power capability is also a response to power over ethernet citation needed which has more flexible dynamic power negotiation capabilities up to 48 v dc and up to about 1 a and whose maximum bandwidth is potentially greater than even usb 3 1 s 10 gbit s. A usb host may have multiple controllers each with one or more ports. Usb pd or usb c power delivery is a new protocol specification that allows for faster and more flexible charging. Usb 3 1 gen2 with usb power delivery usb pd n an a.

2016年にリリースされた usb power delivery revision 2 0 version 1 2 と usb power delivery revision 3 0 version 1 0 では5つのパワープロファイルに代わって パワールール power rules という給電仕様にとなった usb power delivery revision 2 0 との後方互換性を持つ. The combination of usb 3 0 and a 6 a limit at the most common 5 12 and 24 v dc voltages would permit support. There are a number of significant differences between the pd 2 0 specification and the latest 3 0 specification. Usb type c usb pd.

Usb 3 1 gen1 with usb power delivery usb pd n an a usb 3 1 gen2 superspeed usb 10 gbps. It was developed concurrently with usb type c usb c which is the physical connection and it is a subset of the new usb 3 1 standards. Revision 3 0 also adds extended configuration messages fast role swap and deprecates the bfsk protocol.