Microchip Technology recently expanded its programmable USB-port power controller portfolio with the dual-channel UCS2112. This UCS2112 port power controller supports two ports, with eight programmable continuous current limits for each port, ranging from 0.53 to 3 A for faster charging times at higher currents. You can use it as is or with USB hubs to create a complete charging or USB communication system.
The UCS2112 port power controller is supported by Microchip’s new $140 UCS2112 Evaluation Board. The UCS2112 is available for sampling and volume production in a 20-pin QFN package. Pricing starts at $1.80 each, in 5,000-unit quantities. 
Source: Microchip Technology
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