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The year 2015 opened up a new era of power management as high-profile devices began to adopt USB-C ports. A true all-in-one port, it is capable of delivering bidirectional data and power at the same time. USB-C charging requires a fundamental change to the existing power delivery architecture and presents a new challenge to system designers. With a default 5 V voltage, the USB-C port is capable of negotiating with the plugged-in device to raise the port voltage to 12 V, 20 V, or another mutually agreed on voltage, at a mutually agreed current level. The maximum power a USB-C port can deliver is 20 V at 5 A current, which is 100 W of power.

PTM Published on: 2017-10-19