Low-Voltage Indoor Energy Harvesting Using Photovoltaic Cell

被引:0
|
作者
Huang, Hong-Yi [1 ]
Yen, Shao-Zu [1 ]
Chen, Jhen-Hong [1 ]
Hong, Hao-Chiao [2 ]
Cheng, Kuo-Hsing [3 ]
机构
[1] Natl Taipei Univ, Dept Elect Engn, New Taipei 23741, Taiwan
[2] Natl Chiao Tung Univ, Dept Elect & Control Engn, Hsinchu, Taiwan
[3] Natl Cent Univ, Dept Elect Engn, Taoyuan, Taiwan
关键词
Indoor energy harvesting system; photovoltaic cell; indoor solar cell; battery charging;
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 work presents a low-voltage indoor energy harvesting using photovoltaic cell. The system doesn't use a dc-dc converter to boost the output voltage so that large external inductors and large capacitors are eliminated. A rechargeable battery is connected to the output for storing the energy. No other external components are needed in the system. A test chip is implemented using a 0.18um CMOS process with a chip area of 0.85x0.85mm(2) and a power consumption of 272uW. This solar cell provides a voltage of 0.4V similar to 0.55V to the test chip at a minimum illumination of 61 similar to 625 Lux. A maximum efficiency of 54% can be obtained when the supply voltage is 0.5V.
引用
收藏
页码:223 / 226
页数:4
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