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USB Type-C interface drives USB PD fast charge market development

26 views Yuda Electronic (HK) Technology Co.,Limited. 2018-08-29

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As more and more laptops and smartphones use the USB Type-C interface as the standard interface, USB PD is used as the standard charging specification. For power adapters and computer accessories, USB PD fast charging will bring new markets and demands.

 

At present, the USB PD 3.0 standard is a hot topic in the power supply market. The PD expands the traditional USB charging power from 12W to 100W, which can meet the needs of most mobile devices and promote the reform of various consumer electronic product charging methods.

 

What is USB PD3.0, PPS protocol?

 

PPS (Programmable Power Supply), a Power Supply type supported by USB PD3.0, is a power supply that can realize voltage and current regulation using USB PD protocol output. PPS specification integrates current high voltage, low current, low voltage and high current. Two charging modes.

In addition, the PPS specification reduces the voltage amplitude modulation to 20mV, which is only one tenth of the QC3.0 standard, and the voltage regulation is more precise.

 

The Hub series not only has a USB Type-C interface for charging, but also transmits data via a USB (Type-A) interface, HDMI interface for video transmission, and even integrated Ethernet vias and SD card readers.

USB Type-C interface

Now in order to pursue thin and light, only one USB Type-C port design is equipped. In addition to the necessary charging function, if consumers have other transmission requirements, they must add additional USB Type-C Dongle, thus causing USB Type-C. It seems to be inconvenient to use.

 

Apple’s new iPhone charger will use the USB Type-C interface and support the USB PD fast charging protocol, which can provide up to 18W of output power. In addition, it is reported that the Lightning line of the new iPhone will also adopt the USB Type-C design. The iPhone will use the USB-C interface to abandon Lightning next year.

 

At present, there are 7 brands of 14 mobile phones on the market that can support USB PD3.0 fast charging, but most of the above mobile phones do not have the standard USB PD3.0 charger, with USB PD fast charging and Qualcomm QC4+ fast charging. Popularization, there are many devices on the market that support USB PD fast charging, and even many mobile phones have taken the lead in supporting the USB PD3.0 (PPS) protocol.

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