Startup techniques for 95 mV step-up converter by capacitor pass-on scheme and ${\rm V} \rm TH-Tuned oscillator with fixed charge programming

Po-Hung Chen*, Koichi Ishida, Katsuyuki Ikeuchi, Xin Zhang, Kentaro Honda, Yasuyuki Okuma, Yoshikatsu Ryu, Makoto Takamiya, Takayasu Sakurai

*此作品的通信作者

研究成果: Article同行評審

124 引文 斯高帕斯(Scopus)

摘要

This paper presents a 95 mV startup-voltage step-up DC-DC converter for energy harvesting applications. The capacitor pass-on scheme enables operation of the system from an input voltage of 95 mV without using additional off-chip components. To compensate for the die-to-die process variation, post-fabrication threshold voltage $({\rm V}-{\rm TH})$ trimming is applied to reduce the minimum operating voltage $({\rm V}-{\rm DDMIN})$ of the oscillator. Experimental results demonstrate the 34% ${\rm V} \rm DDMIN reduction of the oscillator by post-fabrication ${\rm V} \rm TH trimming. The proposed step-up converter achieves the lowest startup voltage in standard CMOS without using a mechanical switch or large transformer.

原文English
文章編號6156478
頁(從 - 到)1252-1260
頁數9
期刊IEEE Journal of Solid-State Circuits
47
發行號5
DOIs
出版狀態Published - 5月 2012

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