Dec-27-13
A new circuit design has led to the production of a laptop charger that is much less expensive, smaller and simpler to manufacture.
Offered by the startup FINsix, the after-market charger is 75 percent smaller than conventional models. It was created based on the circuit design developed by David Perreault, a professor at MIT—a design that could also reduce the cost and size of a variety of power electronics devices.
The new technology increases the frequency at which power electronics operate, which allows for smaller devices. Although increasing the frequency has previously also led to reduced efficiency, the team at MIT and FINsix avoided the trade-off by developing a way to recycle much of the energy usually lost inside the power adapter, making it practical to use frequencies 1000 times higher than normal.
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TECHNOLOGYREVIEW.COM]
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FINSIX]
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