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一种基于硅基片上电气隔离的瓦级功率传输系统

A Fully Integrated Watt-Level Power Transfer System With On-Chip Galvanic Isolation in Silicon Technology

语言:

中文摘要

本文提出了一种具备片上电气隔离功能的直流-直流(DC-DC)功率传输系统。该转换器工作在VHF频段,实现了所有必要组件的硅基全集成。系统由两个硅片组成,包括一个带有片上隔离变压器的功率振荡器和一个全桥整流器。

English Abstract

This paper presents the design and experimental characterization of a power transfer system performing a dc-dc conversion with on-chip galvanic isolation. The converter is operated in the VHF band, which enables fully integration of all the required components in silicon technology. It consists of only two silicon dice, i.e., a power oscillator with an on-chip isolation transformer and a full-brid...
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SunView 深度解读

该技术展示了VHF频段下的片上集成隔离与功率变换能力,主要面向低功率、高集成度的芯片级应用。对于阳光电源而言,目前核心产品线(如PowerTitan储能系统、组串式逆变器)主要关注高功率密度与高效率,该技术在现阶段难以直接应用于兆瓦级或千瓦级的主功率变换环节。但其片上隔离与集成化思路对iSolarCloud智能运维平台配套的传感器件、辅助电源模块或未来微型化功率器件的研发具有前瞻性参考价值,建议持续关注其在信号隔离与低功耗辅助电源领域的演进。