Single-event burnout hardening of planar power MOSFET with partially widened trench source
Single-event burnout hardening of planar power MOSFET with partially widened trench source
复制标题
部分加宽沟槽源平面功率 MOSFET 的单粒子烧毁硬化
DOI:
10.1088/1674-4926/39/3/034003
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发表时间:
2018-03
影响因子:
5.1
通讯作者:
Zhengsheng Han
中科院分区:
文献类型:
--
作者:
Jiang Lu;Hai nan Liu;Xiaowu Cai;Jiajun Luo;Bo Li;Binhong Li;Lixin Wang;Zhengsheng Han
We present a single-event burnout (SEB) hardened planar power MOSFET with partially widened trench sources by three-dimensional (3D) numerical simulation. The advantage of the proposed structure is that the work of the parasitic bipolar transistor inherited in the power MOSFET is suppressed effectively due to the elimination of the most sensitive region (P-well region below the N+ source). The simulation result shows that the proposed structure can enhance the SEB survivability significantly. The critical value of linear energy transfer (LET), which indicates the maximum deposited energy on the device without SEB behavior, increases from 0.06 to 0.7 pC/μm. The SEB threshold voltage increases to 120 V, which is 80% of the rated breakdown voltage. Meanwhile, the main parameter characteristics of the proposed structure remain similar with those of the conventional planar structure. Therefore, this structure offers a potential optimization path to planar power MOSFET with high SEB survivability for space and atmospheric applications.
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影响因子:
1.8
作者:
Titus, Jeffrey L.
通讯作者:
Titus, Jeffrey L.
影响因子:
3.1
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影响因子:
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3.1
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3.1
作者:
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