4 Recent Advances in Power Semiconductor Technology 69 4.1 Introduction 69 4.2 Silicon Power Transistors 70 4.2.1 Power MOSFETs 71 4.2.2 IGBTs 72 4.2.3 High-Power Devices 75 4.3 Overview of SiC Transistor Designs 75 4.3.1 SiC JFET 76 4.3.2 Bipolar Transistor in SiC 77 4.3.3 SiC MOSFET 78 4.3.4 SiC IGBT 79 4.3.5 SiC Power Modules 79 4.4 Gate and Base Drivers for SiC Devices 80 4.4.1 Gate Drivers for Normally-on JFETs 80 4.4.2 Base Drivers for SiC BJTs 84 4.4.3 Gate Drivers for Normally-off JFETs 87 4.4.4 Gate Drivers for SiC MOSFETs 88 4.5 Parallel Connection of Transistors 89 4.6 Overview of Applications 97 4.6.1光伏98 4.6.2 AC驱动器99 4.6.3混合和插件电动汽车99 4.6.4高功率应用99 4.7硝酸盐晶体管100 4.8摘要102参考文献102