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Alternate between USB Fast charging (shorted data pins) and USB2.0 data transmission?

I

Thread Starter

Ironic

Joined Dec 23, 2008
18
Hi all

I have a small device that charges at 500mA when connected to PC USB port. It's charger has shorted data pins on USB plug which causes the device to charge at 1A.

Is there an easy way of in a pcb using a gpio from micro controller to change between usb2.0 data transmission to shorting the data pins to enter fast charge method? Maybe a specific chip that does this function?

Thank You
 
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