31 Dec '13, 12pm

World's smallest laptop adapter could lead to more efficient electronics

World's smallest laptop adapter could lead to more efficient electronics

When we talk about the energy efficiency of our electronics, we usually are thinking about internal improvements, both hardware and software, that cut down on energy use. What we don't usually think about is what plugs it into the wall. Thankfully, the smart people at MIT are on the case. Professor David Perreault has come up with a novel circuit design that has led to the creation of the world's smallest laptop adapter that runs a quarter of the size of the typical laptop brick. This small charger is able to run at higher frequencies (between 30MHz and 300MHz -- a thousand times faster than conventional adapters) thanks to technology that recycles power that is usually lost in traditional circuit designs. The higher frequencies plus the reclaimed power could lead to more efficient electronic devices. The 65 watt adapter, being made by startup FINsix , can also charge tabl...

Full article: http://www.treehugger.com/gadgets/small-laptop-charger-co...

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