A novel SiC trench MOSFET with integrated Schottky barrier diode for improved reverse recovery charge and switching loss
A novel SiC trench MOSFET with integrated Schottky barrier diode for improved reverse recovery charge and switching loss
复制标题
具有集成肖特基势垒二极管的新型 SiC 沟槽 MOSFET,可改善反向恢复电荷和开关损耗
DOI:
10.1049/pel2.12169
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发表时间:
2021-08
影响因子:
2
通讯作者:
Zhang Yuming
中科院分区:
文献类型:
--
作者:
Liu Sicheng;Tang Xiaoyan;Song Qingwen;Wang Yuehu;Bai Ruijie;Zhang Yimen;Zhang Yuming
In this paper, a novel silicon carbide (SiC) trench metal oxide semiconductor field effect transistor (MOSFET) with improved reverse recovery charge and switching energy loss is proposed and investigated utilising ISE‐TCAD simulations. The proposed structure features an integrated Schottky barrier diode on one side‐wall of the trench below the P‐base region, and an inserted thicker oxide layer between the polysilicon gate and source metal on one side‐wall of the trench. The simulation results show that compared with Infineon's CoolSiC™ Trench MOSFET, the proposed device decreases the gate chargeQgby 29.2%, leading to significantly improved figures of merit (Ron,sp×Qg). The reverse recovery chargeQrrand peak reverse recovery current (IRRM) are reduced by 64.1% and 66.0%, respectively. Meanwhile, the total switching energy loss decreases 36.7% for the dynamic performance.
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DOI:
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DOI:
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发表时间:
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期刊:
IEICE Electron. Express
影响因子:
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