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A multi-source energy harvesting scheme that emulates the principle of a water bucket fountain using series-stacked storage capacitors to power a multi- mixed-signal wireless sensor node is presented. Feasible miniaturized microwatts energy sources include photovoltaic cell, piezoelectric harvester and thermoelectric generator. A digital logic based shunt regulator with 1 V clamping...
• Conversion Ratios, Efficiency, Driving Capability, Cross-Regulation and Transient Response of SIMO converter has been discussed • Cross-Regulation is a unique problem in SIMO converter • Time-Multiplexing (TM) Control and Ordered Power Distributive Control (OPDC) are commonly used control method. • TM control has limited driving capability while OPDC control has large cross-regulation. • Several...
This paper presents the analysis and design of three-state controlled transition mode for buck-boost converter. By introducing an additional state D2 to the transition mode, a significant efficiency improvement and output voltage ripple reduction are achieved due to the reduced average inductor current and inductor current ripple. Furthermore, the stability of the converter is enhanced according to...
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