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