Contents
1 Overview ..........................................................................2
2 Specifications .....................................................................3
3 Test setup .........................................................................4
3.1 Test conditions and equipment ...................................................4
3.2 Procedure.....................................................................4
4 Measurements/waveforms/test data................................................6
4.1 STWBC2-HP startup waveform...................................................6
4.2 Presence detection waveform ....................................................6
4.3 Power transfer switching waveform ...............................................7
4.4 STSC waveform ...............................................................9
4.5 ASK demodulation waveform ...................................................10
4.6 Q-factor accuracy test..........................................................11
5 Schematic diagrams ..............................................................12
6 Bill of materials...................................................................16
7 Conclusions ......................................................................20
Appendix A Reference design warnings, restrictions and disclaimer ..................21
Revision history .......................................................................22
List of tables ..........................................................................24
List of figures..........................................................................25
TN1399
Contents
TN1399 - Rev 1
page 23/26