NDLI: eGaN FETs in Low Power Wireless Energy Converters

Content Provider	Semantic Scholar
Author	Rooij, Michael A. De Strydom, Johan
Copyright Year	2013
Abstract	Wireless power applications are gaining popularity in many commodity products such as mobile phone chargers. Most of the wireless power solutions have focused on tight coupling with induction coil solutions at operating frequencies around 200 kHz, and Class E, F and S amplifier converter topologies. Recently, however, there has been a push for operation in the restricted and unlicensed lower ISM band at 6.78 MHz where traditional MOSFET technology is approaching its capability limit. Enhancement mode gallium nitride transistors offer an alternative to MOSFETs as they can switch fast enough to be ideal for wireless power applications. This paper will focus on the experimental evaluation of an induction coil wireless energy system using Efficient Power Conversion’s (EPC) eGaN FETs in a half bridge topology operating at 6.78 MHz designed to be suitable for multiple 5 W USB based charging loads.
Starting Page	377
Ending Page	388
Page Count	12
File Format	PDF HTM / HTML
DOI	10.1149/05003.0377ecst
Volume Number	50
Alternate Webpage(s)	http://epc-co.com/epc/Portals/0/epc/documents/presentations/WirelessPower_ECS2012slides_MdeRooij_EPC.pdf
Alternate Webpage(s)	https://doi.org/10.1149/05003.0377ecst
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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