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dc.contributor.authorGonçalves, L. M.por
dc.contributor.authorRibeiro, J. F.por
dc.contributor.authorCarmo, João Paulo Pereirapor
dc.description.abstractThis paper presents a Maximum Power Point Tracking (MPPT) circuit in CMOS technology for integration into an energy harvesting solution, comprising a solid-state thin-film lithium battery fabricated in the back side of a plastic solar cell. The MPPT CMOS circuit is required in the energy transfer process from the solar cell to the battery. The MPPT circuit was designed in the 0.7 µm CMOS process from on semiconductor (former AMIS, Alcatel-Mietec). The pulse width modulation (PWM) gate control of the DC-DC step-up converter is obtained only with analog circuits, which are composed by rail-to-rail operational amplifiers, analog multipliers and a ring oscillator. The ripple correlation control algorithm is used in the implementation of the analog MPPT circuit. This is a dynamically rapid method (e.g., 5 ms step response was measured) where the inevitable ripple of the inductor current of the DC-DC converter is analyzed and used to adjust the set-point of the same DC-DC converter. The full energy harvesting is also described in this paper.por
dc.relationThis work has been supported by the Portuguese FCT (Fundação para a Ciência e Tecnologia) in the scope of the project UID/EEA/04436/2013.por
dc.subjectEnergy harvestingpor
dc.subjectRipple correlation controlpor
dc.subjectMaximum power point trackingpor
dc.titleMaximum power point tracking CMOS circuit to connect a solar cell into a solid-state batterypor
oaire.citationConferencePlaceAveiro, Portugalpor
oaire.citationTitle10th Conference on Telecommunications, Conftele 2015por
dc.subject.fosEngenharia e Tecnologia::Outras Engenharias e Tecnologiaspor
dc.subject.fosEngenharia e Tecnologia::Outras Engenharias e Tecnologias-
sdum.conferencePublication10th Conference on Telecommunications, Conftele 2015por
Appears in Collections:CAlg - Artigos em livros de atas/Papers in proceedings
DEI - Artigos em revistas internacionais

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