超连接MOSFET (CoolMOSTM) 概念限制的分析-第一部分:理论
Zbigniew Lisik1, Jacek Podgórski1
1Department of Semiconductor and Optoelectronic Devices, Lodz University of Technology, Aleje Politechniki 8, 93-590 Lodz, Poland.
Materials (Basel, Switzerland)
|December 11, 2025
概括
这项研究揭示了CoolMOSTM动力装置概念的局限性,表明超连接效应不是固有的,需要特定的电场值. 这些发现解决了对单极电源设备中高压缓解的未满足期望.
科学领域:
- 半导体物理 半导体物理
- 电力电子 电力电子 电力电子
背景情况:
- 理论上,CoolMOSTM是为了克服单极电源设备的高压限制.
- 在实践中,对CoolMOSTM性能的预期尚未完全实现.
研究的目的:
- 为了确定和分析CoolMOSTM概念的局限性.
- 研究功率晶体管中超连接技术的理论和物理约束.
主要方法:
- 高压超联接原理的理论分析.
- 基于VDMOS技术的CoolMOSTM结构的数值研究.
主要成果:
- 超连接效应不是CoolMOSTM中状p-n连接的固有特征.
- 超联接模式 (SJM) 的激活取决于达到一个值电场 (Eth).
- 通过数值模拟,确定了CoolMOSTM的物理和技术限制.
结论:
- 由于特定的运行条件,CoolMOSTM 对于高压缓解的理论潜力受到限制.
- 需要进一步的研究来解决改善设备性能所确定的局限性.
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