infineon IGBT高效电源模块

infineonIGBT高效电源模块EfficiencyimprovementwithsiliconcarbidebasedpowermodulesZhangXi*,DanielDomes*,RolandRupp***InfineonTechnologiesAG,Max-Planck-Strae5,59581Warstein,Germany**InfineonTechnologiesAG,AmCampeon1-12,85579Neubiberg,GermanyAbstractIntherecentyears,discreteSiC(siliconcarbide)baseddeviceshavebeenintroducedtothemarket.InthispapertheutilizationofSiCbaseddiodesandswitchesinpowermoduleswillbepresented,dis-cussedandcomparedwithSi-basedpowermodules.WhereasSiCswitcheshavetheoveralllowestdynamiclosses,theyshowhigherstaticlossesduetothelackofconductivitymodulationandthenec-essarychipsizelimitationsduetothestillhighSiCbasematerialprice.Thefreq