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In this paper we present a micro photovoltaic cell model, validated by the experimental results obtained from a test chip realized in 0.35-μm CMOS technology. In particular, we analyzed and modeled the behavior of an integrated p-n junction when irradiated with incident light with solar spectrum, considering the parameters of a conventional 0.35-μm CMOS technology. We considered...
In this paper a photovoltaic power generator is presented. The energy harvesting device exploits the power generated by several on-chip micro-photovoltaic cells, connected in series, to provide the supply voltage and the reference voltages for an integrated voltage regulator. The regulator operates also with low illumination levels or large load currents, and tolerates a wide variation of the voltage...
In this paper we present a solar harvester test chip, realized to characterize several integrated solar cell structures, gathering the information required to design a complete power management system for handling the harvested energy. In particular, we realized photodiodes with three different geometries of the p-diffusion, and three different dimensions of the n-well. The chip is realized in a 0...
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