Analysis and Modeling of Lateral Power Devices With Stepped Drift Region Thickness via Effective Concentration Profile Concept
Stepped drift region thickness technique alters the drift region doping dose and its distribution, and therefore modulates the device's off-state characteristics. However, due to the sophisticated structure of the 2-D stepped drift region, the conventional 2-D modeling method is too complicated...
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doaj-44a97b66bd5e4c27b7eaad4ce73179a22021-03-29T18:49:39ZengIEEEIEEE Journal of the Electron Devices Society2168-67342020-01-018202610.1109/JEDS.2019.29569818918240Analysis and Modeling of Lateral Power Devices With Stepped Drift Region Thickness via Effective Concentration Profile ConceptJun Zhang0https://orcid.org/0000-0002-5688-295XYu-Feng Guo1https://orcid.org/0000-0002-1490-986XChen-Yang Huang2Fang-Ren Hu3College of Electronic Science and Engineering, Nanjing University of Posts and Telecommunications, Nanjing, ChinaCollege of Electronic Science and Engineering, Nanjing University of Posts and Telecommunications, Nanjing, ChinaCollege of Electronic Science and Engineering, Nanjing University of Posts and Telecommunications, Nanjing, ChinaCollege of Electronic Science and Engineering, Nanjing University of Posts and Telecommunications, Nanjing, ChinaStepped drift region thickness technique alters the drift region doping dose and its distribution, and therefore modulates the device's off-state characteristics. However, due to the sophisticated structure of the 2-D stepped drift region, the conventional 2-D modeling method is too complicated to provide a clear physical meaning. In this paper, based on the Effective Concentration Profile (ECP) theory, a simple but accurate 1-D ECP concept is proposed to unveil the physical insight of the stepped drift region technique and quantitatively analysis the influence of which on device breakdown characteristic. Therefore, the sophisticated 2-D structure affected by both RESURF and curvature effects is explored by a simple 1-D model with segmented-doped PN junction. Furthermore, based on the proposed analytical model, the designing criterion is proposed, which provide useful guidance for utilizing the benefit of the Stepped Drift Region Thickness technique and thus realizing the optimized surface electric field and breakdown voltage. The results obtained by the proposed model are found to be sufficiently accurate comparing with TCAD simulation results.https://ieeexplore.ieee.org/document/8918240/1-D modelstepped drift regioneffective dopingRESURF effectbreakdown voltage |
collection |
DOAJ |
language |
English |
format |
Article |
sources |
DOAJ |
author |
Jun Zhang Yu-Feng Guo Chen-Yang Huang Fang-Ren Hu |
spellingShingle |
Jun Zhang Yu-Feng Guo Chen-Yang Huang Fang-Ren Hu Analysis and Modeling of Lateral Power Devices With Stepped Drift Region Thickness via Effective Concentration Profile Concept IEEE Journal of the Electron Devices Society 1-D model stepped drift region effective doping RESURF effect breakdown voltage |
author_facet |
Jun Zhang Yu-Feng Guo Chen-Yang Huang Fang-Ren Hu |
author_sort |
Jun Zhang |
title |
Analysis and Modeling of Lateral Power Devices With Stepped Drift Region Thickness via Effective Concentration Profile Concept |
title_short |
Analysis and Modeling of Lateral Power Devices With Stepped Drift Region Thickness via Effective Concentration Profile Concept |
title_full |
Analysis and Modeling of Lateral Power Devices With Stepped Drift Region Thickness via Effective Concentration Profile Concept |
title_fullStr |
Analysis and Modeling of Lateral Power Devices With Stepped Drift Region Thickness via Effective Concentration Profile Concept |
title_full_unstemmed |
Analysis and Modeling of Lateral Power Devices With Stepped Drift Region Thickness via Effective Concentration Profile Concept |
title_sort |
analysis and modeling of lateral power devices with stepped drift region thickness via effective concentration profile concept |
publisher |
IEEE |
series |
IEEE Journal of the Electron Devices Society |
issn |
2168-6734 |
publishDate |
2020-01-01 |
description |
Stepped drift region thickness technique alters the drift region doping dose and its distribution, and therefore modulates the device's off-state characteristics. However, due to the sophisticated structure of the 2-D stepped drift region, the conventional 2-D modeling method is too complicated to provide a clear physical meaning. In this paper, based on the Effective Concentration Profile (ECP) theory, a simple but accurate 1-D ECP concept is proposed to unveil the physical insight of the stepped drift region technique and quantitatively analysis the influence of which on device breakdown characteristic. Therefore, the sophisticated 2-D structure affected by both RESURF and curvature effects is explored by a simple 1-D model with segmented-doped PN junction. Furthermore, based on the proposed analytical model, the designing criterion is proposed, which provide useful guidance for utilizing the benefit of the Stepped Drift Region Thickness technique and thus realizing the optimized surface electric field and breakdown voltage. The results obtained by the proposed model are found to be sufficiently accurate comparing with TCAD simulation results. |
topic |
1-D model stepped drift region effective doping RESURF effect breakdown voltage |
url |
https://ieeexplore.ieee.org/document/8918240/ |
work_keys_str_mv |
AT junzhang analysisandmodelingoflateralpowerdeviceswithsteppeddriftregionthicknessviaeffectiveconcentrationprofileconcept AT yufengguo analysisandmodelingoflateralpowerdeviceswithsteppeddriftregionthicknessviaeffectiveconcentrationprofileconcept AT chenyanghuang analysisandmodelingoflateralpowerdeviceswithsteppeddriftregionthicknessviaeffectiveconcentrationprofileconcept AT fangrenhu analysisandmodelingoflateralpowerdeviceswithsteppeddriftregionthicknessviaeffectiveconcentrationprofileconcept |
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