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ISSCC 2025Session 21 · COMPUTE AND USB POWERPower Management

HOOP: A Scalable Hybrid DC-DC Converter Ring for HighPerformance Computing

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📋 论文概要

该论文提出了一种名为HOOP的可扩展混合DC-DC转换器环,用于高性能计算,通过环形拓扑结构实现多相并联以提升输出电流能力,同时保持高效率与快速响应。

💡 主要创新点

重要性
发表年份
ISSCC 2025

🏷 关键词

DC-DC转换器混合架构高性能计算

📄 原文摘要

Rui P. Martins1, Yan Lu1,2,3 University of Macau, Macau, China Tsinghua University, Beijing, China 3 UM Hetao IC Research Institute, Shenzhen, China 4 Leibniz University Hannover, Hannover, Germany 1 2 *Equally Credited Authors (ECAs) In the AI era, demands of computing power grow exponentially, driving the need for power delivery solutions that offer stronger power capability, higher efficiency and faster response, together [1]. To satisfy the enormous current demand, tens or hundreds of point-of-load converters operate in parallel to multiply the output current capability. However, maintaining high efficiency in multi-phase converters requires dedicated current-balance control among each converter phase (Fig. 21.8.1). Traditionally, this is achieved by integrating a global digital controller, which monitors the inductor currents and adjusts the PWM signals to ensure current balancing. However, as the number of phases (N) increases, the complexity

👥 作者与机构

Zhiguo Tong*1, Zhewen Yu*1,2, Junwei Huang1, Xiangyu Mao1,3, Bernhard Wicht4,

分类:Power Management · 年份:ISSCC 2025