A 300mV Low-voltage start-up circuit for energy harvesting systems

被引：0
|
作者：
Mendez-Delgado, Edgardo [1 ]
Serrano, Guillermo J. [1 ]
机构：
[1] Univ Puerto Rico, Dept Elect & Comp Engn, Mayaguez, PR USA
来源：
2011 IEEE INTERNATIONAL SYMPOSIUM ON CIRCUITS AND SYSTEMS (ISCAS) | 2011年
关键词：
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
This paper presents a start-up circuit for low voltage energy harvesting applications. The proposed approach incorporates analog memories in the design of a low-voltage ring oscillator along with an efficient charge pump capable of converting voltages in the sub-700mV range to voltages suitable for circuit operation. Simulated results using 0.5 mu m CMOS technology resulted in a circuit capable of working for input voltages as low as .300V. The start-up circuit containing an eight-stage charge pump is able to increase a typical photodiode voltage of .480V to 3.6V.
引用
收藏
页码：829 / 832
页数：4
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