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TPS2043B: TPS2043B Current-Limited question

Part Number: TPS2043B

Dears

    I have a design using TPS2043B for 3 channel usb ports,  and my upstream device can only supply 5V/1.6A power. I want to use TPS2043B to limite every usb port output current  to 500mA.  can do it ? 

    In my test , i find it can't limite the current to 500mA when i use the electronic load meter in CC module 1.2A. It also work normally. 

    So my question is that can TPS2043B  limited every channel to 500mA  independently .