A 10 mV-Input Boost Converter With Inductor Peak Current Control and   Zero Detection for Thermoelectric and Solar Energy Harvesting With 220   mV Cold-Start and-14.5 dBm, 915 MHz RF Kick-Start

Shrivastava Aatmesh; Roberts Nathan E.; Khan Osama U.Wentzloff David D.Calhoun Benton H.

首页> 外文期刊>IEEE Journal of Solid-State Circuits >A 10 mV-Input Boost Converter With Inductor Peak Current Control and Zero Detection for Thermoelectric and Solar Energy Harvesting With 220 mV Cold-Start and-14.5 dBm, 915 MHz RF Kick-Start

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A 10 mV-Input Boost Converter With Inductor Peak Current Control and Zero Detection for Thermoelectric and Solar Energy Harvesting With 220 mV Cold-Start and-14.5 dBm, 915 MHz RF Kick-Start

机译：A 10 mV-Input Boost Converter With Inductor Peak Current Control and Zero Detection for Thermoelectric and Solar Energy Harvesting With 220 mV Cold-Start and-14.5 dBm, 915 MHz RF Kick-Start

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摘要

A boost converter for thermoelectric energy harvesting in 130 nm CMOS achieves energy harvesting from a 10 mV input, which allows wearable body sensors to continue operation with low thermal gradients. The design uses a peak inductor current control scheme and duty cycled, offset compensated comparators to maintain high efficiency across a broad range of input and output voltages. The measured efficiency ranges from 53 at V-I = 20 mV to a peak efficiency of 83 at V-I = 300 mV. A cold-start circuit starts the operation of the boost converter from 220 mV, and an RF kick-start circuits starts it from - 14.5 dBm at 915 MHz RF power.

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来源
《IEEE Journal of Solid-State Circuits》 |2015年第8期|1820-1832|共13页
作者
Shrivastava Aatmesh; Roberts Nathan E.; Khan Osama U.Wentzloff David D.Calhoun Benton H.;
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作者单位

PsiKick Inc, Charlottesville, VA 22902 USA.;

Univ Calif Berkeley, Ubiquitous Swarm Lab, Berkeley, CA 94720 USA.;

Univ Michigan, Dept Elect Engn & Comp Sci, Ann Arbor, MI 48109 USA.Univ Virginia, Charles L Brown Dept Elect & Comp Engn, Charlottesville, VA 22904 USA.;

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);
原文格式 PDF
正文语种英语
中图分类基本电子电路;
关键词
Boost converter; DC-DC converter; energy harvesting; low voltage; solar energy harvesting; thermal-electric; ultra-low power;

A 10 mV-Input Boost Converter With Inductor Peak Current Control and Zero Detection for Thermoelectric and Solar Energy Harvesting With 220 mV Cold-Start and-14.5 dBm, 915 MHz RF Kick-Start

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