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Spec for 100W over USB is Here

The USB-IF released the Power Delivery [PD] specification for USB 3.0.  In addition, the 2.0 forum approved it too. Because we are talking about 100watts over USB there is some risk associated with introducing such a spec.  The USB-IF said the power can be sent, both ways, intelligently where power ramps up or down upon delivery.  The spec includes an intelligent check of both the cable and the other end’s capability to insure nothing goes up in flames. If you stop and think about this, if a typical laptop has three USB sockets, what kind of power brick would you need to power the laptop plus 300watts of power, assuming all sockets are requesting a full load.  Maybe the power brick will end up being bigger and heavier then the laptop {grin}. For a very interesting read on the entire PD report, click here.

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Rich Gates

Administator for GetUSB.info GetUSB.info started in 2004 with the concept of providing USB information for everything USB related. At the time, USB was gaining momentum and every day new products, articles and news became published. Today, the site is focused on bringing technical information, tricks and hacks to USB related products. The site does publish off topic information as well, to keep the variety up. Please visit the footer area of any page if you or your company is interested in article or product placement via purchased advertising.

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