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Subject : 
US3310 power usage behavior
 
Description : 
Whats the Output Power from the PD USB-C ? I connect Macbook Pro 2016 Touch Bar & Chromebook (USB-C), and I use the 85W PD charger.
Both Chromebook & Macbook are not showing charging icon at all.
 
Solution : 
Below is the information of the power support and power usage behavior of the US3310.
1. The mix power of USB Type-c power adapter that US3310 support is 100W. 
2. For device charging, a Limited Power Source (LPS) certified USB-C PD Power Adapter over 65Watt is recommended. The minimum system power requirement for basic USB functions and video output should be at least 5V, 3A.
3. When connecting the power adapter, 15W will be used first for supplying the power to US3310.  Then 10W will be used to supply the power to second USB Type-c port.
The rest of the power will be the power to supply for the device connected to first USB Type-c port.

Because the second USB Type-c port only has 10W power supply, it's not enough for Macbook or Chromebook.
 
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