Abstract

CSTBT™ faces a complex tradeoff among E on/off -V CEsat -SOA and EMI noise. We propose a split-gate CSTBT™ to break up the complex tradeoff and introduce this novel structure to the RC-IGBT for the first time. The Miller capacitance was drastically reduced by using the proposed structure while maintaining the Blocking Voltage, which contributes to approximately a 15% reduction in total loss without any sacrifices of EMI noise and/or SOA.

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