User Guide
22 of 25
002-35126 Rev. **
2022-05-10
WLC1115 MP-A11 15-W wireless power transmitter
(REF_WLC_TX15W_C1) user guide
Appendix A: Enabling DC input power based wireless charging operation on the
REF_WLC_TX15W_C1 reference board
Figure 21
Downloading the firmware supporting DC input-based operation
f)
Detach the
REF_WLC_TX15W_C1
board from the programming setup
•
Test the
REF_WLC_TX15W_C1
board with DC input
−
Provide DC input of 20-V to the
REF_WLC_TX15W_C1
board and test the wireless charging functionality
using a Qi-compatible phone/receiver, as shown in
The status LED indications for various
system states listed in
are also applicable for the DC input mode of operation.
Figure 22
Charging Qi compatible phone/receiver in direct DC input mode of operation
Note:
Ensure that the positive and negative terminals of the DC source are connected correctly to the red
and black wires soldered on the board, respectively before, turning on the power. Supplying DC
power with an improper connection may cause permanent damage to the reference board.
Note:
The voltage range supported on the DC input of the board is 9 V to 20 V.
