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Part Number: Qi-Wireless-15W-Receiver
REFERENCE DESIGN - QI® WIRELESS 15W RECEIVER
Overview
The advanced Microchip wireless receiver is compatible with Qi 1.2 base stations and is able to draw up to 15W of power that can be used to run portable devices or charge batteries. It allows users to quickly incorporate this receiver into their designs without dealing with the Qi protocol state machine and communication.
This implementation consists of a wireless receiver and a synchronous buck converter used to charge batteries. A low-cost, general purpose 8-bit microcontroller handles the Qi state machine, communication to and from the base station, the Li-Ion battery charging state machine, and regulates the buck converter output voltage and input current. The advanced Microchip Qi1.2 wireless receiver is backwards compatible with Qi1.1 5W base station and should be able to detect the base station capabilities.
For additional details and design files please visit the reference design page.