Abstract:This paper presents an ultra-low power, fully integrated solar energy harvester circuit for autonomous microsystems. The proposed circuit harvests solar energy from a micro-power photovoltaic module and stores the harvested energy in a miniaturized thin film Li-Ion microbattery, using a highly area-and power-efficient power management circuit. As neither inductor, nor large pumping capacitors have been used in this circuit, it occupies less area comparing to conventional inductive and switched-capacitor DC-DC … Show more
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