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No Communication

Lawrence Keel
Prodigy 30 points
Other Parts Discussed in Thread: DRV10983, USB2ANY

When starting the DRV10983 EVM control software, I get the message "An update to the device is required. Please make sure that the power supply is greater than 22V and press OK." 

I made sure that the it is greater than 22V (it's actually 24V). I made sure that this was so. My laptop is connected to the USB2ANY and it's light is on indicating such. I can only get the software to come up if I say to continue in simulation mode then continue. Subsequently, it is put into DEMO mode. 

I did make sure that I saw 24V where everywhere I'm supposed to.

This software has always been buggy (both versions). Currently using v3.0.5

Need help ASAP.

L.Keel

  • 0
    TI__Guru** 114905 points

    Hi Lawrence,

    Our experts have been notified and should reply soon.

    There are two items to examine while waiting.

    Is the USB2ANY communicating to the DRV10983 via the I2C? If not please let our experts know.

    Also, can you try raising the VCC voltage to 26V and then press OK? This should not have any impact, but it may help.

  • 0 in reply to Rick Duncan
    Prodigy 30 points

    It's not able to communicate since it doesn't see the 24VDC that I am applying. There's communication from my laptop to the full speed USB isolator to the to the USB2ANY. There just seems to be a problem with the USB2ANY. It's possible that it's not functioning properly.

    Hopefully the new USB2ANY, that's on it's way, will arrive today and be the answer.

  • 0 in reply to Lawrence Keel
    Prodigy 30 points
    Found the problem...It turned out to be a bad USB2ANY module. These modules seem to kind of flaky.