• GPIOs
– No functions assigned
5.2 Typical performance characteristics
The following table shows charging performance of an STWBC86/STWLC38 (TX/RX) setup at various load
currents, with the temperature being measured after 5 minutes of continuous operation.
Table 5. Charging performance
Iout [mA] (RX) Iin [mA] (TX) Vout [V] (RX) Vin [V] (TX) Trect [°C] (RX) Trect [°C] (TX)
200 248 5,01 5,015 30 31,7
500 597 5,01 4,965 33 31,5
700 854 5,01 4,951 35 31,5
1000 1294 5,01 4,885 41 38,7
5.2.1 Power-up waveforms
The following figure shows power-up waveforms of an STWBC86 (TX) and STWLC38 (RX) setup. The transmitter
and receiver coils are aligned and a 10 Ω load is connected to the receiver output.
Figure 59. Power up waveform
Table 6. Signal legend for power up waveform
Color
Signal
Yellow Vrect (RX)
Blue Vout (RX)
Red AC1 (TX)
Orange Vin (TX)
UM3161
Typical performance characteristics
UM3161 - Rev 1
page 46/78
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