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26 - 28 February 2019 // Nuremberg, Germany

Conferences and supporting programme

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Session 2.8 I: Wireless Power I

Boosting Contactless Charging to 40W Vortragssprache Englisch

Wireless power transfer is, essentially, a transformer. Power is provided to a primary coil which produces an electromagnetic (EM) field. A secondary coil is placed in this field. The EM field then induces a current into the secondary coil, providing power to its load. Unlike a conventional power transformer that operates at line frequencies and requires an iron core for efficiency, high power wireless power systems are designed to operate in the 100 KHz range and can perform efficiently with only an air core. As such, the primary and secondary windings, if closely spaced, can be in separate devices, the primary being part of a transmitter and the secondary, part of a receiver. This implementation can also be described as a radio broadcast with the transformer coils acting as antennas with equal validity. The TSDMRX-40W-EVM Evaluation Module and its compatible transmitter module, the TSDMTX-40W-EVM, form a complete, high power, wireless power transmission system to supply a load or charge Li-ion batteries with over 2A of current. This EVM demonstrates a working model and provides a starting point from which one can develop ones own wireless charging system or integrate its functions into existing systems. All documentation for this EVM is provided to in order to make this process as efficient as possible.

--- Date: 28.02.2019 Time: 12:00 PM - 12:30 PM Location: Conference Counter NCC Ost

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