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Author:

郭春生 (郭春生.) | 赵硕 (赵硕.) | 侯雨奇 (侯雨奇.) | 张亚民 (张亚民.) | 冯士维 (冯士维.)

Indexed by:

zhihuiya

Abstract:

本发明公开了基于浪涌电流下的碳化硅MOSFET瞬态温升测量方法,首先在不同测试电流下建立校温曲线库,该校温曲线库数据包含碳化硅MOSFET体二极管的浪涌电流、电压以及温度;其次,基于浪涌电流测试平台,在不同的浪涌电流脉宽及幅值下,测得多个温度敏感电参数;最后,计算测得温敏电参数代入校温曲线对应的温度值,即可在不破坏封装的情况下判别碳化硅MOSFET的温度情况。避免了在实际工程中不能实时检测碳化硅MOSFET瞬态温升导致可靠性降低的问题。

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Patent Info :

Type: 发明申请

Patent No.: CN202410231221.3

Filing Date: 2024-02-29

Publication Date: 2024-05-17

Pub. No.: CN118050612A

Applicants: 北京工业大学

Legal Status: 实质审查

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ESI Highly Cited Papers on the List: 0 Unfold All

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30 Days PV: 0

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