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This paper presents a dual-source energy harvesting circuit that efficiently and simultaneously extracts the energy from a piezoelectric transducer (PZT) and a thermoelectric generator (TEG). The harvester operates in a dual-source pile-up mode (DPM) to efficiently extract the energy from both sources with an increment of the damping force, resulting in a 1452% improvement of power extraction even...
The number of mobile device users increases every year. Each mobile device is usually equipped with a Li-ion battery having voltage that varies from a minimum of 2.7V to a maximum of 4.2V. Therefore, as the battery voltage decreases with time, a DC-DC converter is required for a regulated supply lower or higher than the battery voltage. A simple buck converter is not suited for this case, since step-up...
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