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ISSCC 2025Session 21 · COMPUTE AND USB POWERPower Management

A 20MHz &1MHz Dual-Loop Non-Uniform-Multi-Inductor Hybrid DC-DC Converter with Specified Inductor Current Allocation and Fast Transient Response

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📋 论文概要

本文提出了一种20MHz和1MHz双环路非均匀多电感混合DC-DC转换器,通过指定电感电流分配实现高效率、高功率密度和快速瞬态响应,适用于消费、汽车和工业应用。解决了传统转换器在效率与动态响应之间的权衡问题。

💡 主要创新点

重要性
发表年份
ISSCC 2025

🏷 关键词

双环路DC-DC转换器非均匀多电感混合转换器电感电流分配高功率密度

📄 原文摘要

Chi-Seng Lam1, Rui P. Martins1, Yan Lu1,2,3 University of Macau, Macau, China UM Hetao IC Research Institute, Shenzhen, China 3 Tsinghua University, Beijing, China 1 2 *Equally Credited Authors (ECAs) High-efficiency, high-power-density, and fast transient response DC-DC converters are in high demand for consumer, automotive, and industrial applications. In recent years, many integrated hybrid converters have been developed to enhance efficiency and current density [1-4], in which the series-capacitor buck (SCB) converters [3] and [4] are particularly favored for their relative simplicity. Figure 21.9.1(left) shows the Dickson SC hybrid Buck converter (DSC-HB) [5], which offers the advantages of inherent inductor current balance and reduced inductor voltage stress. To mitigate high-voltage device switching losses, converters with high voltage conversion ratios typically operate at lower switching

👥 作者与机构

Junwei Huang*1, Xiangyu Mao*1,2, Zhiguo Tong1, Zhewen Yu1, Wenjie Yang1,

分类:Power Management · 年份:ISSCC 2025