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LTPOWERPLAY QUICK START PROCEDURE
The following procedure describes how to use LTpowerPlay
to monitor and change the settings of LTC7880.
1. Download and install the LTPowerPlay GUI:
2. Launch the LTpowerPlay GUI.
a. The GUI should automatically identify the DC2728A. The
system tree on the left-hand side should look like this:
b. A green message box shows for a few seconds in the
lower left hand corner, confirming that LTC7880 is
communicating:
c. In the Toolbar, click the “R” (RAM to PC) icon to read the
RAM from the LTC7880. This reads the configuration
from the RAM of LTC7880 and loads it into the GUI.
d. If you want to change the output voltage to a differ-
ent value, like 36V. In the Config tab, type in 36 in the
VOUT_COMMAND box, like this:
Then, click the “W” (PC to RAM) icon to write these
register values to the LTC7880. After finishing this step,
you will see the output voltage will change to 36V.
If the write is successful, you will see the following
message:
e. You can save the changes into the NVM. In the tool bar,
click “RAM to NVM” button, as following:
f. Save the demo board configuration to a (*.proj) file.
Click the Save icon and save the file. Name it whatever
you want.
