What is the difference between a PD and a USB charging cable?

time：2025-04-10 15:01:18 Tech Trends

What is the difference between PD and USB charging cables

The difference between USB and PD is the speed. The charging speed of the two is different, the PD charging cable has the characteristics of high performance and low cost, while the USB fast charging cable uses constant current and constant voltage charging, and the charging speed is relatively slow. The USB-PD fast charging protocol is based on the interface output, but whether the data cable or device supports PD fast charging cannot be judged only by the interface, the fast charging cable is to quickly fully charge the mobile phone by increasing the current, and slow charging is ordinary charging.

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