Transcription of Wireless Battery Charging-PBattezzato
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Wireless Battery Charging-PBattezzato
Wireless Battery ChargingPaolo Battezzato Applications Engineer Wireless power Keeps Growing2By 2018over a billion receiver units are expected to be shipped worldwide** Source: IHS October 2016 WearableMobile phones and tabletsPower toolsMedicalSmart homeAutoLeave cables at home and top up batteriesMagnetic induction PRU Category 1-7. PTU Class 1-6 PRXOut Max from to 50W (Cat. 1 TBD) PTXI nput Max from 2W to 70W Wireless power at a Glance3 Advantagessimple, efficient, safe, power scalable, matureKey technology challenges shield, coil alignment, good coupling Disadvantageslimited x/y/z space, difficult for multiple device operation simultaneouslyMagnetic resonanceAdvantagesspatial freedom, multiple devices support, larger charging areaKey technology challenges power scalable, environment safety, TX and RX designDisadvantagesincreased EMI, efficiencyDifferent StandardsSimilar technologyDifferent Implementation Low power : 5W (rel ) Medium power .
Power Transfer Principle • Tightly coupled wireless charging technology uses magnetic induction to transfer power from a transmitter (Tx) to a receiver (Rx).
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