Abstract
In this paper, stepped doping profile in alternate pillars and collector region of superjunction IGBT structure is presented. The proposed device structure consists of lightly and heavily doped region in upper and lower part of drift region. In addition to this, the collector layer doping concentration reduces along the x-direction. The initiation point of avalanche multiplication shifts from top and bottom corners to middle of the drift region. Due to this structural design, we have revealed that the area specific on resistance of proposed device is reduced by 16% at 300 K and 10% at 400 K without affecting breakdown voltage. Simulation results determine that 34.9% reduction in miller capacitance at room temperature in propose device. Additionally, 40% improvement in switching delay and 17% reduction in turn-off time is resulted. Baliga’s Figure of Merit (BFOM) and other technology Figure of Merit (FOM) are improved by 19% and 38% respectively. Furthermore, Eoff is reduced by 17.84% in proposed device.
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
