User's Manual

WCT-5WTXMULTI Reference Design System User Guide, Rev. 2
2 Freescale Semiconductor
2 System Features
The WCT-5WTXMULTI reference board has following features:
• Reference design compliant with low power WPC Qi version 1.1 Specification.
• Integrated digital demodulation in chip.
• Support multiple types Rx modulation signals (AC capacitor, AC resistor and DC resistor).
• Support FOD. Support four types of Foreign Object protection.
• Support Qi 1.1 receiver with 5 V DC@1A output power capability.
• Super low standby power by Freescale touch technology.
• Full bridge topology with freqency modulation power control strategy.
• LED for RX and TX alignment indication.
• Input voltage/current, coil current sensing for protection.
• Free position charging.
3 Getting Started
WCT-5WTXMULTI is easy to use, and can convenience to charging the mobile equipment that support
the Qi wireless charging, below is the detail step to power up the system and use.
Step 1: power on the Transmitter, plug the 5V adaptor to the AC power line, and plug the adaptor USB
port to the transmitter input port, and the LED2 will be blanking.
Figure-2 WCT-5WTXMULTI powered on