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An Optimized Design of Active Current Source Driver for Mitigating Overshoot and Reducing Switching Losses in SiC MOSFETs
ID：40 View Protection：ATTENDEE Updated Time：2024-08-15 10:46:23 Hits：289 Oral Presentation

Start Time：Pending（Asia/Shanghai）

Duration：Pending

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Abstract
Gate driver techniques are crucial for managing the switching dynamics of wide bandgap (WBG) semiconductor devices. Unlike voltage source gate drivers, current source gate drivers reduce switching losses by maintaining a relatively constant current during the gating process. However, this advantage is counterbalanced by increased overshoot, oscillation, and electromagnetic interference (EMI) noise. To address these challenges, an optimal active current source gate driver (ACSD) is proposed that meets the conflicting requirements of low switching losses and suppression of overshoot and oscillation by dynamically adjusting the driver current level. The effectiveness of this technique is demonstrated through both theoretical analysis and simulation validation.
 
Keywords
wide bandgap semiconductor; active current source gate drivers (ACSD); overshoot; EMI.
Speaker
Xiaokang Zhang
PHD Student Hunan University

Submission Author
Xiaokang Zhang Hunan University
Ziyao Zhang Hunan University
Qiao Li Hunan University
Yue Wu CSG Electric Power Research Institute Co.； Ltd.、China Southern Power Grid
Yuebin Zhou State Key Laboratory of HVDC (Electric Power Research Institute, China Southern Power Grid)
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Important Date

  • Conference Date

    Nov 06

    2024

    to

    Nov 08

    2024

  • Sep 15 2024

    Draft paper submission deadline

  • Nov 08 2024

    Registration deadline

Sponsored By
Huazhong University of Science and Technology
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