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首页> 外文期刊>Journal of Micromechanics and Microengineering >A CMOS integrated voltage and power efficient AC/DC converter for energy harvesting applications
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A CMOS integrated voltage and power efficient AC/DC converter for energy harvesting applications

机译：用于能量收集应用的CMOS集成电压和功率高效AC / DC转换器

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摘要

In this paper, a fully CMOS integrated active AC/DC converter for energy harvesting applications is presented. The rectifier is realized in a standard 0.35 μm CMOS process without special process options. It works as a full wave rectifier and can be separated into two stages - one passive and one active. The active part is powered from the storage capacitor and consumes about 600 nA at 2 V supply. The input voltage amplitude range is between 1.25 and 3.75 V, and the operating frequency range is from 1 Hz to as much as several 100 kHz. The series voltage drop over the rectifier is less than 20 mV. Measurements in combination with an electromagnetic harvester show a significant increase in the achievable output voltage and power compared to a common, discrete Schottky diode rectifier. The measured efficiency of the rectifier is over 95%. Measurements show a negligible temperature influence on the output voltage between -40 ℃ and +125 ℃.
机译：本文提出了一种用于能量收集应用的，完全集成了CMOS的有源AC / DC转换器。该整流器采用标准的0.35μmCMOS工艺实现，无需特殊工艺选项。它作为全波整流器工作，可以分为两个阶段-一个无源和一个有源。有源部分由存储电容器供电，在2 V电源下消耗约600 nA电流。输入电压幅度范围在1.25至3.75 V之间，工作频率范围为1 Hz至多达几百kHz。整流器上的串联电压降小于20 mV。与普通的分立肖特基二极管整流器相比，结合电磁采集器进行的测量表明，可实现的输出电压和功率显着提高。整流器的实测效率超过95％。测量表明，温度对-40℃至+125℃之间的输出电压的影响可忽略不计。

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