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A Photovoltaic Power Management System using a Luminance-Controlled Oscillator for USN Applications
JSTS Journal of Semiconductor Technology and Science
This paper presents a power management system of the dye-sensitized solar cell (DSSC) for ubiquitous sensor network (USN) applications. The charge pump with a luminance-controlled oscillator regulates the load impedance of the DSSC to track the maximum power point (MPP) under various light intensities. The low drop-out regulator with a hysteresis comparator supplies intermittent power pulses that are wide enough for USN to communicate with a host transponder even under dim light conditions.doi:10.5573/jsts.2013.13.1.048 fatcat:vzfjs64iubcefddyttu6bf4ikq