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BOOST-TUSS4470: EVM does not work properly

Kazuki Kitajima
Intellectual 1480 points

Part Number: BOOST-TUSS4470

Hello expert,

I ordered TUSS4770 and started to set up the board for the customer meeting.

However, the EVM looks like doesn't work properly...

VDRV is always "0" and there are no images showing up to the measurements & diagnostics.

Could you give me the advice to use the EVM properly?

Thank you,

Kazuki Kitajima

  • 0
    TI__Mastermind 27950 points

    Kitajima-san,

    VDRV always initiates in the Hi-Z state when the device powers up, which is why the VDRV Ready Fault bit is "0" when you first start the GUI. You need to set the VDRV_HI_Z bit field to "Not Hi-Z" to clear the fault bit to "1".

    To plot results on the Measurements and Diagnostics plot, check the "UMR" checkbox in the Tabulated Results tab, and either check the "GUI Threshold Enable" checkbox in the run options, or set bit field ECHO_INT_CMP_EN to "Enabled". One of these thresholds must be defined in order for the Tabulated Results and Meas/Diag plots to show data.

    Please view the preliminary BOOST-TUSS44x0 EVM-GUI Overview and Quick Start Video at https://e2e.ti.com/support/sensors/f/1023/t/748143 to help get them started on using the GUI. A more in-depth official video training series is currently in development.