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ISSCC 2015Session 20 · ENERGY HARVESTING AND SC POWER CONVERSIONPower Management

An Energy-Recycling Three-Switch Single-Inductor Dual-Input Buck/Boost DC-DC Converter with 93% Peak Conversion Efficiency and 0.5mm2 Active Area for Light Energy Harvesting

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📋 论文概要

该论文提出了一种能量回收型三开关单电感双输入升降压DC-DC转换器,用于环境能量收集系统,实现了光伏模块与电池之间的高效能量管理。该转换器通过创新的拓扑结构和控制策略,达到了93%的峰值转换效率。

💡 主要创新点

核心指标
93% Peak Conversion Efficiency
重要性
发表年份
ISSCC 2015

🏷 关键词

能量收集DC-DC转换器三开关单电感

📄 原文摘要

Energy harvesting (EH) can be used in wireless sensor networks (WSNs) since the sensors can be powered by ambient energy in conjunction with rechargeable batteries to achieve near-perpetual operation [1-4]. One common solution is to harvest energy from ambient light through photovoltaic (PV) modules. In such a system, a battery supplements energy when the power provided by the environment is insufficient or when the WSN is active, and stores surplus energy for future use when the WSN is inactive. Accordingly, power management in an EH system involves a balance among the PV module, battery and load. Previous work [1] has implemented an EH system for moving vehicles and portable devices, but it is not suitable for indoor light energy harvesting. Although a single-inductor multi-input multi-output (SIMIMO) topology is one solution, the efficiencies of existing implementations [2-4] are degraded by additional

👥 作者与机构

Hsuan-Ju Chen, Yi-Hsiang Wang, Peng-Chang Huang, Tai-Haur Kuo

National Cheng Kung University, Tainan, Taiwan

分类:Power Management · 年份:ISSCC 2015