The progress made in wide bandgap (WBG) semiconductors has resulted in rapid miniaturization and increased efficiency of power converters. However, the improvements in magnetic components, such as inductors and transformers, have not kept pace with these advancements [1] , [2] , [3] . Although advances in WBG devices, novel topologies, control schemes, and hardware fabrications … [Read more...] about Unveiling the Microworld Inside Magnetic Materials via Circuit Models
Energy efficiency
Ranking Qi Wireless Power Transmitters by Efficiency
The Wireless Power Consortium (WPC) Energy Star Task Force (ESTF), comprised of engineers from major cellphone and consumer electronics manufacturers, test houses, and others, developed a proposed efficiency-test protocol for the U.S. Environmental Protection Agency (EPA), intended to rank Qi wireless power transmitters on the basis of power-transfer efficiency. Key to this … [Read more...] about Ranking Qi Wireless Power Transmitters by Efficiency
