{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,19]],"date-time":"2026-03-19T14:51:33Z","timestamp":1773931893527,"version":"3.50.1"},"reference-count":68,"publisher":"Association for Computing Machinery (ACM)","issue":"4","content-domain":{"domain":["dl.acm.org"],"crossmark-restriction":true},"short-container-title":["ACM Trans. Des. Autom. Electron. Syst."],"published-print":{"date-parts":[[2026,7,31]]},"abstract":"<jats:p>\n                    We propose a TCAD (Technology Computer Aided Design)-machine learning coupled approach that combines a TCAD tool (Charon), optimization\/uncertainty quantification tool (Dakota), surrogate models, and Bayesian learning capabilities. The coupling approach is used for accurate modeling and calibration of total ionizing dose (TID) induced threshold voltage (\n                    <jats:italic toggle=\"yes\">\n                      V\n                      <jats:sub>th<\/jats:sub>\n                    <\/jats:italic>\n                    ) shifts in Commercial-Off-The-Shelf (COTS) semiconductor devices and to develop physics-informed TID compact models. This versatile approach is applied to model the TID effect in an exemplar COTS 3.3 kV SiC power MOSFET (Metal-Oxide-Semiconductor Field-Effect Transistor). With the Charon-Dakota coupling, we can determine key device geometry and doping values based on device physics, which are difficult to obtain or not available for COTS devices but important for TCAD simulation; additionally, we can efficiently generate thousands of simulation results in a large parameter space, which makes it possible to develop data-driven surrogate models and perform Bayesian calibration. Utilizing the full tool-coupling approach, we achieve calibrated TCAD simulation models that accurately capture the average TID-induced\n                    <jats:italic toggle=\"yes\">\n                      V\n                      <jats:sub>th<\/jats:sub>\n                    <\/jats:italic>\n                    shifts behavior with total doses and\n                    <jats:italic toggle=\"yes\">\n                      V\n                      <jats:sub>th<\/jats:sub>\n                    <\/jats:italic>\n                    shifts saturation at high doses as observed in experimental data. More importantly, the calibrated TCAD simulations are obtained with determined TID model parameters (e.g., hole trap density and capture cross section) values that contain well quantified uncertainties. Furthermore, we can isolate and quantify the noises that are not captured by the TCAD models but exist in the measured data due to measurements and devices variabilities. Lastly, the calibrated surrogate models are used to develop physics-informed TID compact models. The method is generalizable to other devices and\/or radiation conditions with few modifications and can provide well-determined uncertainties.\n                  <\/jats:p>","DOI":"10.1145\/3766551","type":"journal-article","created":{"date-parts":[[2025,9,11]],"date-time":"2025-09-11T12:15:10Z","timestamp":1757592910000},"page":"1-35","update-policy":"https:\/\/doi.org\/10.1145\/crossmark-policy","source":"Crossref","is-referenced-by-count":0,"title":["TCAD-Machine Learning Enabled TID Compact Model Development for Commercial SiC MOSFET"],"prefix":"10.1145","volume":"31","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-3861-7052","authenticated-orcid":false,"given":"Xujiao","family":"Gao","sequence":"first","affiliation":[{"name":"Sandia National Laboratories","place":["Albuquerque, United States"]}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0009-0000-9908-7035","authenticated-orcid":false,"given":"Jaideep","family":"Ray","sequence":"additional","affiliation":[{"name":"Sandia National Laboratories California","place":["Livermore, United States"]}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-0161-5774","authenticated-orcid":false,"given":"Brian","family":"Rummel","sequence":"additional","affiliation":[{"name":"Sandia National Laboratories","place":["Albuquerque, United States"]}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0009-0004-9663-2674","authenticated-orcid":false,"given":"Caleb","family":"Glaser","sequence":"additional","affiliation":[{"name":"Sandia National Laboratories","place":["Albuquerque, United States"]}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-1842-8764","authenticated-orcid":false,"given":"Elaine","family":"Rhoades","sequence":"additional","affiliation":[{"name":"Sandia National Laboratories","place":["Albuquerque, United States"]}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-8499-0368","authenticated-orcid":false,"given":"Joshua","family":"Young","sequence":"additional","affiliation":[{"name":"Sandia National Laboratories","place":["Albuquerque, United States"]}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0009-0005-6996-5630","authenticated-orcid":false,"given":"Larry","family":"Musson","sequence":"additional","affiliation":[{"name":"Sandia National Laboratories","place":["Albuquerque, United States"]}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0009-0008-0605-484X","authenticated-orcid":false,"given":"Thomas","family":"Buchheit","sequence":"additional","affiliation":[{"name":"Sandia National Laboratories","place":["Albuquerque, United States"]}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"320","published-online":{"date-parts":[[2026,3,19]]},"reference":[{"key":"e_1_3_3_2_2","unstructured":"Accessed November 2024. 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