Single coil 5w, 7.5w, 10w wireless charging pcba
N9-TX1805 transmitter module consists of the 50mm Tx coil (see later description) with an integrated electronics PCB.
The N9-TX1805 transmitter module offers a Coil-to-coil charging distance up to 8mm(+/- 1mm）.
The N9-TX1805 transmitter module accepts QC2.0/3.0 Qualcomm quick-charge Adapters which provides 5V2A or 9V1.67 input on demand.
Thermal management system is designed to stop power transfer when the sense temperature is exceeding
safety threshold while auto-resume mechanism would rescan the device when the temperature cool down
to safety level.
The N9-TX1805 transmitter module consists of a PCBA with micro USB connection to the external QuickCharge2.0/3.0 Adapter supply.
Coloured LED indicates status of the transmitter, such as receiver detection, charging and error, etc.
2.2 Best Efficiency
Best Efficiency is tested with Dz=3mm, with different receivers:
TI Medium Power TESTRX 10W: at least 70 %
IDT P9221-R-EVK 10W: at least 75%
2.3 WPC Compliant
N9-TX1805 transmitter module is compatible to WPC1.2.4 (5W / 5V-1A output)
EMC performance is subject to AC/DC power adapter, N9-TX1805 transmitter module is tested to pass
FCC and CE requirements with appropriate Adapters & accessories.
2.5 FOD – Foreign Object Detection
N9-TX1805 design is act up to WPC 1.2.4 FOD standard requirement.