Optimized DC Link for Next Generation Power Modules

The market leaders in IGBT technology are now introducing next generation "six-pack" modules to enable increased power density and reduced cost for automotive traction drive applications. However, the potential gains offered by these modules can only be harvested using an optimized DC link with integrated capacitor/bus topology. Two integrated capacitor/bus solutions have been designed to support the new Infineon HybridPACK(TM) Drive module with the lowest possible myF/kW ratio and minimized equivalent series inductance. Simulation and design results are presented along with third party testing data for a complete inverter.