Usb Power Delivery
D2t2 1 usb power delivery pdf 1 13 mb.
Usb power delivery. Usb power delivery revision 3 0 version 2 0 2019 08 29 20 v 5 a system design. Its aim is to operate with and build on the existing usb ecosystem. Using a standard usb c cable it can handle up to 60 w and will go up to 100 w using a full featured usb type c ecma cable. Power delivery protocols have been updated to facilitate usb c features such as cable id function alternate mode negotiation increased v bus currents and v conn powered accessories.
Usb power delivery or pd for short is a single charging standard that can be used all across usb devices. As of usb power delivery specification revision 2 0 version 1 2 the six fixed power profiles for power sources have been deprecated. Additional usb hubs may be included allowing up to five tiers. However this issue of compatibility is about to be a thing of the past with the introduction of the usb power delivery specification.
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. A usb system consists of a host with one or more downstream ports and multiple peripherals forming a tiered star topology. Usb power delivery offers the following features. What is usb power delivery.
Usb c pd fast fast charging the fast track to fully charged. Power delivery starts at the 5 v setting and is configurable up to 20 v. Developers usb if logo license. The usb power delivery specification enables the maximum functionality of usb by providing more flexible power delivery along with data over a single cable.
It operates by facilitating a conversation between two devices to negotiate a power contract so they can determine how much power can be pulled from the charger. Usb c power delivery is a fast charging technology supported by certain ios apple and android google devices that delivers much higher levels of power than standard charging. A usb host may have multiple controllers each with one or more ports. Increased power levels from existing usb standards up to 100w.
Usb type c usb pd.