What does PD charging mean?

pd charging refers to charging using a PD charger. The full name of pd is "USB-PD", which is a fast charging specification formulated by the USB-IF organization. It is a fast charging protocol that can increase the voltage and current, and the maximum charging rate can reach 100w. The pd fast charging protocol can increase power transmission through USB cables and connectors, expand the cable bus power supply capability in USB applications, thereby achieving the purpose of increasing charging voltage or current, and can freely change the direction of power transmission.

The operating environment of this tutorial: Windows 7 system, Dell G3 computer.

pd charging refers to charging using a PD charger.

PD is a fast charging protocol that can increase the voltage and current, and the maximum charging rate can reach 100w; compared with the original charger, the PD charger is smaller, easy to carry, and compatible with Universal for mobile phones, it can improve the charging experience.

PD's full name is "USB-PD", which is a fast charging specification developed by the USB-IF organization and is one of the current mainstream fast charging protocols. The USB-PD fast charging protocol is output through the Type-C interface, but it cannot be said that having a Type-C interface necessarily supports USB-PD protocol fast charging.

PD protocol fast charging advantages

USB-PD fast charging protocol can increase power transmission through USB cables and connectors , expand the cable bus power supply capability in USB applications, thereby achieving the purpose of increasing the charging voltage or current, and freely changing the power transmission direction.

The Type-C interface supports a maximum of 15W (5V/3A) by default, but after implementing the USB-PD protocol, the output power can be supported to a maximum of 100W (20V/5A). Therefore, many devices that use Type-C interface now support the USB PD protocol.

Relationship with other charging protocols

The USB-PD protocol is not equivalent to the fast charging protocols of other manufacturers. Rather, it is a relationship between inclusion and being included. In the PPS (Fast Charging Technical Specification) released by USB-IF, the USB-PD 3.0 protocol already includes Qualcomm QC 3.0 and 4.0, Huawei's SCP and FCP, MTK's PE3.0 and PE2.0, and OPPO's VOOC .

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