Usb 3 1 gen1 with usb power delivery usb pd n an a usb 3 1 gen2 superspeed usb 10 gbps.
Usb power delivery 3 0 wiki.
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.
A usb host may have multiple controllers each with one or more ports.
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.
Additional usb hubs may be included allowing up to five tiers.
A usb system consists of a host with one or more downstream ports and multiple peripherals forming a tiered star topology.
Usb power delivery 簡稱 usb pd.
Usb 3 1 gen2 with usb power delivery usb pd n an a.
Usb power delivery is covered by the relevant adopters agreements for either usb 2 0 or usb 3 0 depending on the specification implemented.
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.
Recommendations for which adopters agreements are appropriate to execute are listed below.
D2t2 1 usb power delivery pdf 1 13 mb.
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.
Usb power delivery revision 3 0 version 2 0 2019 08 29 20 v 5 a system design.
Revision 3 0 also adds extended configuration messages fast role swap and deprecates the bfsk protocol.
Usb pd 3 0 1 0a.
Usb type c usb pd.
There are a number of significant differences between the pd 2 0 specification and the latest 3 0 specification.
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.
Usb pd or usb c power delivery is a new protocol specification that allows for faster and more flexible charging.
Since the pd 1 0 specification usb pd s power profiles were a way to communicate power supply capabilities to a usb end.
Usb 3 1 gen 2 with displayport over type c n an a.
Power delivery profiles pdps.
Power delivery 3 0 vs 2 0.