CMUT超声波电源链路前端，用于身体深处的无线电力传输

2013 IEEE MTT-S International Microwave Workshop Series on RF and Wireless Technologies for Biomedical and Healthcare Applications (IMWS-BIO) Pub Date : 2013-12-01 DOI:10.1109/IMWS-BIO.2013.6756176

Saoni Banerji, W. Goh, J. Cheong, M. Je

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引用次数: 8

摘要

只要有足够的电力供应，无线植入式设备已经彻底改变了生物医学工程领域。提出了一种以电容式微机械超声换能器为接口的超声电源链路前端。超声电源前端由整流器、电荷泵、时钟提取器和相位发生器组成。采用0.18 μm CMOS工艺设计的电源链路前端为植入微系统(如神经刺激器)提供17 V直流电源。在模拟中，它实现了0.3%的总功率效率。

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CMUT ultrasonic power link front-end for wireless power transfer deep in body

Wireless implantable devices have revolutionized the field of biomedical engineering for as long as adequate power supplies are conjured. This paper presents an ultrasonic power link front-end interfaced with a capacitive micromachined ultrasonic transducer (CMUT). The ultrasonic power link front-end consists of a rectifier, a charge pump, a clock extractor and a phase generator. The power link front-end designed in 0.18-μm CMOS process provides a 17 V DC supply for the implant microsystem, e.g. neural stimulator. It achieves an overall power efficiency of 0.3% in simulation.

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2013 IEEE MTT-S International Microwave Workshop Series on RF and Wireless Technologies for Biomedical and Healthcare Applications (IMWS-BIO)

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