Introduction to USB Power Delivery (.PDF Download)

Since its early days, USB has been positioned as an external bus standard for fast data communications. When observing how the standard has evolved over the years, one can notice a distinct bias toward increasing the speed of data communications (Fig. 1). Moreover, each generation has been branded using terms such as “full-speed,” “Hi-speed,” “Super-speed,” and “super-speed+” (Fig. 2), which again reemphasized the positioning of USB as a communications protocol...

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