A PCB-based power converter for e-mobility applications

This paper presents a PCB-based packaging suitable for Silicon Carbide devices in an automotive application. The package and its assembly technique are the core of a 100 kW power converter. The converter includes a switching cell, bypass capacitors, gate driver, builtin sensors, and an output inductor. The stack-up of the PCB mixes thin and thick (up to 400 μn) copper layers providing high current carrying capabilities and superior thermal performances. In addition to the presentation of the module structure and an evaluation of the manufacturing yield, the paper shows the superior electrical switching performance and a first evaluation of the integrated sensor.