Low-voltage indoor energy harvesting using photovoltaic cell

2016 IEEE 19th International Symposium on Design and Diagnostics of Electronic Circuits & Systems (DDECS) Pub Date : 2016-04-20 DOI:10.1109/DDECS.2016.7482472

Hong-Yi Huang, Shao-Zu Yen, Jhen-Hong Chen, Hao-Chiao Hong, Kuo-Hsing Cheng

引用次数: 8

Abstract

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 0.85×0.85mm2 and a power consumption of 272uW. This solar cell provides a voltage of 0.4V~0.55V to the test chip at a minimum illumination of 61~625 Lux. A maximum efficiency of 54% can be obtained when the supply voltage is 0.5V.

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使用光伏电池的低压室内能量收集

本文介绍了一种利用光伏电池进行低压室内能量收集的方法。该系统不使用dc-dc转换器来提高输出电压，从而消除了大型外部电感和大型电容器。可充电电池连接到输出端以存储能量。系统中不需要其他外部组件。测试芯片采用0.18um CMOS工艺，芯片面积为0.85×0.85mm2，功耗为272w。该太阳能电池为测试芯片提供0.4V~0.55V的电压，最低照度为61~625 Lux。当电源电压为0.5V时，效率最高可达54%。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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2016 IEEE 19th International Symposium on Design and Diagnostics of Electronic Circuits & Systems (DDECS)

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