Self-Calibrating Digital-to-Time Converter in CMOS for Advanced Control in Smart Gate Drivers

Time resolution is a major issue for smart gate drivers. These offer the potential to significantly increase switching performance of power switches. The proposed self-calibrating digital-to-time converter achieves a time resolution of less than 250ps, consuming less than 0.2mW of power when constantly activated. Thereby, the necessary timing resolution and range is achieved, that enables soft switching of power MOSFETs and SiC devices and can further increases the switching performance of IGBT.