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5
Using the Fusion Digital Power Designer GUI
When the GUI correctly detects the presence of the EVM, the System View screen will be presented as
shown in
Figure
3. It shows two output rails have been detected. Rail #1 is the three-phase 120 A-rated
rail. Rail #2 is the single phase 40 A-rated rail. Click on the "Click to configure device" link to activate the
Configuration window.
Figure 4
shows the General tab of the Configuration window. The drop-down box in the top right corner
selects the rail that is currently being configured. The various tabs across the top select different groups of
parameters that can be displayed and modified. The buttons along the lower left side select different
display modes. In the General tab settings, the switching frequency, Fsw, can be selected from the drop-
down box. When values are changed, they are not transmitted to the module until the Write To Hardware
button is clicked. When it is clicked, the new values are written to RAM in the controller. (This button will
be greyed-out until a parameter is changed.) The new values are not permanently stored in the device
Non-Volatile Memory (NVM). If power is removed from the module, the new values are lost. If you want to
retain the new configuration values, then the Store Config to NVM button must be clicked. Keep in mind
that a Store Config to NVM command stores any and all new settings to NVM. The original factory settings
cannot be restored if they are altered.
SNAU240 – August 2018
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Figure 3. System View Window
Using the TPSM831D31 Power Module Evaluation Module
Copyright © 2018, Texas Instruments Incorporated
Using the Fusion Digital Power Designer GUI
7
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