Compact dc-link circuit PCCs

  • 07-Sep-2010 10:37 EDT
TDK-EPC Compact DC-link PCC.jpg

TDK-EPC develops compact dc-link circuit power capacitor chips (PCCs) for electromobility. The company's EPCOS-brand 450-V dc PCC offers a suitable dc-link circuit solution for the electric drives of motor vehicles. The B25655J4307K*1 and B25655J4507K*5 types were developed specifically for reference designs of the insulated gate bipolar transistor (IGBT) modules HybridPACK 1 up to 20-kW and HybridPACK 2 up to 90 kW from Infineon Technologies. The PCCs are also contained in the new evaluation kits from Infineon. Depending on the power output, the inverter modules are suited for mild hybrid drives or for full electric drives. These modules with capacitances of 300 and 500 µF are the only solutions currently in volume production, according to TDK-EPC. Characterized by a volume fill factor of nearly one, the PCCs fit onto the IGBT modules thanks to their low-inductance busbars, making complex mounting unnecessary.

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