Shulou(Shulou.com)11/24 Report--

CTOnews.com, July 15, according to incomplete statistics, 11 chip manufacturers have launched chips suitable for USB PD 3.1 fast charging protocol, these chips will be used in the PD fast charger market, raising the power support limit of PD chargers.

At present, some manufacturers such as Xinhai, Huinengtai, Infineon, Yingjie, Zhirong, Tian Deyu, Tongjia, Shuixin, Nanxin, Guangxin Micro, Weili and other manufacturers have launched chips that support the USB PD 3.1 fast charging protocol.

Chargers with USB PD3.1 chips and USB-C output interfaces can increase the power limit to 140W or higher. Apple's MacBook Pro 16, launched in 2021, is the first terminal device to support USB PD3.1 fast charging protocol, and its 140W gallium nitride charger is also the first charger to support USB PD3.1 fast charging protocol.

CTOnews.com attached introduction to USB PD 3.1Fast charging Agreement:

In May 2021, the USB-IF Association launched v2.1 version of the USB Type-C cable and interface standard, which updated the chapter on power supply capabilities. The USB PD3.1 specification puts the original USB PD3.0 content into the standard power range (Standard Power Range, referred to as SPR), and the maximum power remains unchanged at 100W; at the same time, the extended power range (Extended Power Range, referred to as EPR) is increased, and the maximum power is extended from 100W to 240W.

In the extended power range EPR, three kinds of fixed voltage files of 28V, 36V and 48V and three kinds of adjustable voltage files (Adjustable Voltage Supply, referred to as AVS) are added.

The maximum current level remains unchanged at 5A; the power from 100W to 140W is 28V AVS, and the voltage range is 15V AVS; the power from 140W to 180W is 36V AVS, and the voltage range is 15V AVS; the voltage range is 48V AVS from 180W to 240W, and the voltage range is 15V-48V.

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