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ISSCC 2017Session 22 · HARVESTING AND WIRELESS POWERWireless

A Reconfigurable Bidirectional Wireless Power Transceiver with Maximum-Current Charging Mode and 58.6% Battery-to-Battery Efficiency

⚡ 本页包含 AI 生成的分析内容,仅供参考

📋 论文概要

该论文提出了一种可重构的双向无线功率收发器,采用最大电流充电模式,实现了58.6%的电池到电池效率。解决了现有方案中充电电流小、面积和导通损耗大以及开关损耗额外的问题。

💡 主要创新点

核心指标
58.6% battery-to-battery efficiency
重要性
发表年份
ISSCC 2017

🏷 关键词

无线功率传输双向收发器可重构最大电流充电电池到电池效率

📄 原文摘要

Synopsys Macau, Macau, China 3 Instituto Superior Tecnico, Universidade de Lisboa, Portugal 1 2 a And the MUX7 needs to conduct the same current as MP and MN, which will double the area and conduction loss. 2) Under the same PA supply, the possible solution only attains roughly 1/4 of the ICHG compared to the proposed case, because the voltage doubler would transform the load impedance and the output swing of the single-ended PA is only half of that of the differential PA. 3) The power PMOS in the voltage doubler which needs to be driven by a buffer will cause extra switching loss, when compared with the cross-connected PMOS in the full-wave rectifier case as mentioned above. 4) The voltage doubler needs two additional capacitors CL1 and CL2 connected in series, which increases the area and cost [4], while the proposed solution could be directly connected to battery. now with South China University of Technology, Guangzhou, China

👥 作者与机构

Mo Huang1,a, Yan Lu1, Seng-Pan U1,2, Rui P. Martins1,3

University of Macau, Macau, China

分类:Wireless · 年份:ISSCC 2017