RSR 4-PORTs USB 2.0 HUB WITH INTEGRATED Qi-COMPLIANT WIRELESS CHARGER
RSR developed a very low cost, small size and high quality four ports USB 2.0 HUB with integrated a Qi-compliant wireless charger.
The USB HUB controller is the Microchip USB2514B and includes the battery charging support via USB port. It supports low-speed, full-speed and hi-speed downstream devices on all of the four downstream ports.
The wireless charger is based on the IDT P9235A-R, a small footprint and high integrated magnetic induction, wireless power transmitter.
The trasmitter coil has been chosen from Wurth Elektronik portfolio and is the 760308111. This coil is realized with Litzwire and has the highest Q-value available on market. The whole wireless power trasmitter system has a 80% peak efficiency.