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ISSCC 2012Session 16 · SWITCHING POWER CONTROL TECHNIQUESPower Management

An Adaptive Reconfigurable Active Voltage Doubler/Rectifier for Extended-Range Inductive Power Transmission

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📋 论文概要

该论文提出了一种自适应可重构有源电压倍增器/整流器,用于解决植入式医疗设备在感应式电力传输中因线圈耦合变化导致的接收电压大幅波动问题。通过动态配置电路结构,实现了宽输入范围下的高效整流和电压倍增。

💡 主要创新点

重要性
发表年份
ISSCC 2012

🏷 关键词

感应式电力传输有源整流器电压倍增器植入式医疗设备自适应可重构

📄 原文摘要

Modern implantable microelectronic devices (IMDs) require higher performance and power efficiency to enable more efficacious therapies, particularly in neuroprostheses such as retinal and cochlear implants [1]. Inductive power transmission across the skin is a viable solution for providing sufficient power to such IMDs without imposing size and power constraints of implanted batteries [2]. On the down side, unlike batteries that provide a stable power source, unexpected variations in the coils’ mutual coupling from misalignments can lead to wide variations in the received voltage across the secondary coil to the extent that the input voltage may not be sufficient to supply power to the IMD [3]. Hence, there is a need to improve the robustness of inductive power transmission without sacrificing efficiency to allow the IMDs to operate over a wider range of received input voltages. There are also other applications such as wireless sensors and

👥 作者与机构

Hyung-Min Lee, Maysam Ghovanloo

Georgia Institute of Technology, Atlanta, GA

分类:Power Management · 年份:ISSCC 2012