带传导EMI噪声预补偿滤波器和电流调制栅极驱动器的24v - 1v低输入纹波SC混合变换器

IF 2.2 Q3 COMPUTER SCIENCE, HARDWARE & ARCHITECTURE

IEEE Solid-State Circuits Letters Pub Date : 2025-03-26 DOI:10.1109/LSSC.2025.3554811

Yu-Tse Shih;Li-Jen Huang;Xiao-Quan Wu;Wei-Chieh Hung;Tz-Han Hsu;Kuo-Lin Zheng;Ke-Horng Chen;Ying-Hsi Lin;Shian-Ru Lin;Tsung-Yen Tsai

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引用次数: 0

摘要

提出的低输入电流纹波（LICR）开关电容（SC）混合转换器通过集成预补偿有源偏置电磁干扰（EMI）滤波器（PABEF）有效地减少输入电流纹波，解决了汽车应用中的EMI问题，而无需大型外部元件。此外，电流调制栅极驱动器（CMGD）有助于抑制高频传导EMI噪声。结果表明，LICR的输入电流纹波降低了74%，低频时EMI噪声降低了32 dB，高频时EMI噪声降低了5 dB，在$V_{\mathrm {O}}$ / $V_{\mathrm {in}}{=}1.8$ /24时峰值效率达到93.3%。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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A 24 V-to-1 V Low Input Current Ripple SC Hybrid Converter With Conducted EMI Noise Precompensation Filter and Current-Modulated Gate-Driver for Automobile Application

The proposed low input current ripple (LICR) switched-capacitor (SC) hybrid converter effectively minimizes input current ripple by incorporating a precompensation active biasing electromagnetic interference (EMI) filter (PABEF), addressing EMI issues in automotive applications without requiring large external components. In addition, the current-modulation gate driver (CMGD) helps suppress conducted EMI noise at high frequencies. As a result, the LICR achieves a 74% reduction in input current ripple, EMI noise attenuation of 32 dB at low frequencies and 5 dB at high frequencies, and a peak efficiency of 93.3% at

$V_{\mathrm { O}}$

$V_{\mathrm { IN}}{=}1.8$

/24.

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