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USB charger: Recommended handling of unused data lines

Aleksander Kujbida
Prodigy 10 points
Other Parts Discussed in Thread: BQ24160

Our device is not a USB device, but it charges from USB. Is there recommended practice for terminating the data lines? Eg tie them down, tie them together, leave them floating.

I know that some USB upstream ports will supply different current based upon some discussion it has with a newly-connected device, but our device does not even speak USB, and we can comfortably ignore such features.

  • 0
    TI__Genius 13700 points

    Hello Aleksander,

    What device are you using?

    There are a few posts in this forum that discuss what to do with the USB data lines for various devices such as the BQ24160:

    http://e2e.ti.com/support/power_management/battery_management/f/179/t/328778.aspx

    If you know which device you are planning on using the proper treatment of the unused data lines can be determined.