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An inductor-less maximum power point tracker was designed for light energy harvesting systems. We target at systems under different lighting environments and sometimes the solar cell voltage may be low. A charge pump is used to convert the voltage to a higher value. At the same time, the control circuit tunes the charge pump switching frequency to track the system maximum output power point. The design...
An inductor-less on-chip micro power management system for light energy harvesting applications is presented. We target at wide variety of applications that operate at different lighting environments ranging from strong sunlight to dim indoor lighting where the output voltage from the photovoltaic cells is low. A step-up charge pump is used to directly operate the circuit or to charge a rechargeable...
A micro power management system is presented for solar energy harvesting applications. An inductor-less solution is proposed which facilitates on-chip integration of the system. We target at applications working in different lighting environments ranging from strong sunlight to dim indoor lighting where the output voltage from the photovoltaic (PV) cells is low. A charge pump is used to step the PV...
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