Device simulations;
heavy ions;
power devices;
power MOSFETs;
silicon carbide (SiC);
single-event burnout (SEB);
single-event effects;
TCAD;
SILICON-CARBIDE;
D O I:
10.1109/TNS.2018.2849405
中图分类号:
TM [电工技术];
TN [电子技术、通信技术];
学科分类号:
0808 ;
0809 ;
摘要:
Heavy ion-induced single-event burnout (SEB) is investigated in high-voltage silicon carbide power MOSFETs. Experimental data for 1200-V SiC power MOSFETs show a significant decrease in SEB onset voltage for particle linear energy transfers greater than 10 MeV/cm(2)/mg, above which the SEB threshold voltage is nearly constant at half of the rated maximum operating voltage for these devices. TCAD simulations show a parasitic bipolar junction transistor turn-on mechanism, which drives the avalanching of carriers and leads to runaway drain current, resulting in SEB.
机构:
Xidian Univ, Sch Microelect, Lab Digital IC & Space Applicat, Xian 710071, Peoples R ChinaXidian Univ, Sch Microelect, Lab Digital IC & Space Applicat, Xian 710071, Peoples R China
Wang, Chen
Liu, Yi
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机构:
Xidian Univ, Sch Microelect, Lab Digital IC & Space Applicat, Xian 710071, Peoples R ChinaXidian Univ, Sch Microelect, Lab Digital IC & Space Applicat, Xian 710071, Peoples R China
Liu, Yi
Xu, Changqing
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机构:
Xidian Univ, Guangzhou Inst Technol, Guangzhou 510555, Peoples R ChinaXidian Univ, Sch Microelect, Lab Digital IC & Space Applicat, Xian 710071, Peoples R China
Xu, Changqing
Liao, Xinfang
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机构:
Xidian Univ, Sch Microelect, Lab Digital IC & Space Applicat, Xian 710071, Peoples R ChinaXidian Univ, Sch Microelect, Lab Digital IC & Space Applicat, Xian 710071, Peoples R China
Liao, Xinfang
Chen, Dongdong
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机构:
Xidian Univ, Sch Microelect, Lab Digital IC & Space Applicat, Xian 710071, Peoples R ChinaXidian Univ, Sch Microelect, Lab Digital IC & Space Applicat, Xian 710071, Peoples R China
Chen, Dongdong
Wu, Zhenyu
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机构:
Xidian Univ, Sch Microelect, Lab Digital IC & Space Applicat, Xian 710071, Peoples R ChinaXidian Univ, Sch Microelect, Lab Digital IC & Space Applicat, Xian 710071, Peoples R China