Transcription of Wireless Battery Charging-PBattezzato - st.com
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Wireless Battery Charging-PBattezzato - st.com
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 chall
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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