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TSW40RF80EVM: FTDI drivers do not work with WINDOWS 10

Part Number: TSW40RF80EVM

Dear all,

one of my AA customer has issues with the GUI of the TSW40RF80 in WIN 10.

    He has been successfully using TSW14J56 (rev B and D) and TSW40RF80EVM on  windows 8.1 computer for months; now Ihe has to setup another test station and he has got a PC with win 10. He updated windows and downloaded/installed the latest TSW40RF40 GUI and the HSDC pro installers from the TI website.

 

Problem is, everything works for ~5 minutes, then it appears that the FTDI chips are disconnected.

 

Do you have any hint on this? he already tried some workarounds, but none of them worked:

- downloaded latest drivers (2.12.28) from ftdichip website

- used older ones (2.8.24) instead (you never know…)

- disabled the possibility to suspend the USB devices to save power (both in device manager and advanced power manager settings)

- disabled serial enumeration

- reduced serial port latency timer from 16 to 1 ms

- used the EVMs with and without a USB hub

 

The PC USB ports are 3.0: no 2.0 USB is available.

 

thanks,

Domenico