Abstract
The high-voltage field-stop (FS) insulated gate bipolar transistor (IGBT) is a promising power device for high-power applications thanks to the robust characteristics offered by the FS technology, which combines the inherent advantages offered by punch-through and nonpunch-through structures while overcoming the drawbacks of each structure. In this paper, an electrothermal physics-based model for the FS IGBT is developed. The model contains a detailed description of the FS layer and it is validated using experimental results for a commercial 1200-V/60-A FS IGBT over the entire temperature range specified in the data sheets. The validated model is then used to simulate a 6.5-kV FS IGBT. The simulation results are compared with experimental results published in the literature and good agreement is obtained.
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