eGaN FETs for Wireless Power Applications

by Michael De Rooij, Senior Director of Applications, Efficient Power Conversion Corporation, Vendor website, Jul 01 2012

Focus:
This 8-minute, narrated, slide-show style video presents the results of an experiment in which both eGaN FETs and silicon MOSFETs were tested in a 6.78 MHz 15-W wireless power system. Results show the efficiency improvements made possible by the eGaN FETs. This video begins with some background on wireless power transmission and includes limited discussion of the design of the wireless power system used in the experiment. For those wanting an even quicker introduction to the experiment, view the 3-minute video “EPC eGaN FET Application: Wireless Power Transfer” posted on YouTube. For those who want to know more about the design of the wireless power system, there is a more detailed treatment in the article “eGaN FET-Silicon Shoot-Out Vol. 9: Wireless Power Converters,” PET magazine, July 2012. See the How2Power Design Guide for an article summary and link to this article.

What you’ll learn:

• How to improve the efficiency of ISM band wireless power systems using eGaN FETs

Notes:
No publication date specified. 7/1/12 is specified here as a guesstimate since the video includes material that was also published in the July 2012 issue of PET magazine.

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