Please use this identifier to cite or link to this item: https://doi.org/10.1109/PEDS.2011.6147268
Title: A low-cost photovoltaic energy harvesting circuit for portable devices
Authors: Chung, I.Y.W.
Liang, Y.C. 
Keywords: Analog Maximum Power Point Tracking Circuit
Mobile Phone Charger
Photovoltaic Energy Harvesting Circuit
Ultra-low Power MPPT Circuit
Issue Date: 2011
Source: Chung, I.Y.W.,Liang, Y.C. (2011). A low-cost photovoltaic energy harvesting circuit for portable devices. Proceedings of the International Conference on Power Electronics and Drive Systems : 334-339. ScholarBank@NUS Repository. https://doi.org/10.1109/PEDS.2011.6147268
Abstract: This paper presents an efficient solar energy harvesting circuit for mobile phone battery chargers which can also be easily adapted for other mobile devices. The energy harvesting circuit is capable of making Maximum Power Point Tracking (MPPT) and also has a built-in battery protection function. A polycrystalline solar panel which supplies an average of 400mW (under 1 sun solar insolation) of power was selected for use in the proposed circuit. MPPT in the circuit is achieved by using the constant voltage tracking principle which is a non-complex yet highly efficient MPPT control method. It is implemented with purely discrete analog components with ultra-low power consumption. The proposed design is extremely compact and is feasible for commercial applications. The solar energy harvesting circuit consumes less than 330μW of power and achieves an overall efficiency of approximately 80-90%. © 2011 IEEE.
Source Title: Proceedings of the International Conference on Power Electronics and Drive Systems
URI: http://scholarbank.nus.edu.sg/handle/10635/68863
ISBN: 9781612849997
DOI: 10.1109/PEDS.2011.6147268
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