Qi Compliant Fast Wireless Power Transmitter

The WCM-070K12 is a Wireless Power digital controller for Qi Compliant Wireless fast charger. The design of this module is based on the WPC Qi 1.2 standard. The module uses a dedicated wireless charging chip and an efficient & highly integrated driving full-bridge chip. The charging efficiency can reach 81%. The WPC standard V1.2 has input over-voltage, over-current, output over-voltage, over-current, and over-temperature protection functions. LED lights indicate the module\'s working status.


SPECIFICATION
- Standard: Compliance Qi Standard Qi 1.2 version
- Input Power: DC5V/2A; DC9V/1.6A
- Wireless Power Output: 5V/ 9W auto-detection (for 9W, 9V/1.6A adapter is required)
- Charging Frequency: 87 ~ 295 Khz
- Charging Distance: 0 ~ 8 mm (3.5mm as the best distance)

Environment
- Operating Temperature: -5 to 40 degrees Celsius (10% to 95% RH, 25 degree Celsius)
- Storage Temperature: -10 to 60 degrees Celsius (5% to 80% RH, 25 degree Celsius)

Safety Protection
- Over Temperature: The charging power will be shut down when temperature over 60oC
- Over-Voltage: 20VDC
- Low Voltage: < 4.1VDC
- Over Current: 2A