{"title":"Si MPS with CIBH Structure for Fast Recovery Applications","authors":"Hongming Ma, Yan Wang","doi":"10.1109/ICICDT51558.2021.9626467","DOIUrl":null,"url":null,"abstract":"In this paper, a new fast recovery diode concept realizing low reverse recovery time, high dynamic ruggedness and good trade-off between dynamic and static characteristics is proposed. Controlled injection of backside holes (CIBH) structure is implemented at the cathode of merged PIN/Schottky (MPS) diode, which can reduce the cathode injection efficiency during on-state and suppress the fast extraction of carriers during reverse recovery process. Through Sentaurus TCAD simulation, the proposed structure achieved a reverse recovery time of 36ns and a reverse recovery peak current density of 325.2A/cm2 at the reverse voltage of 200V and the forward current density of 100A/cm2, which is improved by 42.9% and 35.7% compared with the MPS diode. Moreover, in oscillation test, the oscillation time and voltage amplitude are optimized by 50% and 37.3% respectively compared with MPS diode.","PeriodicalId":6737,"journal":{"name":"2021 International Conference on IC Design and Technology (ICICDT)","volume":"8 2 1","pages":"1-4"},"PeriodicalIF":0.0000,"publicationDate":"2021-09-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"2021 International Conference on IC Design and Technology (ICICDT)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/ICICDT51558.2021.9626467","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 0
Abstract
In this paper, a new fast recovery diode concept realizing low reverse recovery time, high dynamic ruggedness and good trade-off between dynamic and static characteristics is proposed. Controlled injection of backside holes (CIBH) structure is implemented at the cathode of merged PIN/Schottky (MPS) diode, which can reduce the cathode injection efficiency during on-state and suppress the fast extraction of carriers during reverse recovery process. Through Sentaurus TCAD simulation, the proposed structure achieved a reverse recovery time of 36ns and a reverse recovery peak current density of 325.2A/cm2 at the reverse voltage of 200V and the forward current density of 100A/cm2, which is improved by 42.9% and 35.7% compared with the MPS diode. Moreover, in oscillation test, the oscillation time and voltage amplitude are optimized by 50% and 37.3% respectively compared with MPS diode.
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