11
DEMO MANUAL
Rev. C
The following procedure describes how to use LTpowerPlay
to monitor and change the settings of LTC3886.
1. Download and install the LTpowerPlay GUI:
2. Launch the LTpowerPlay GUI.
a. The GUI should automatically identify the DC2155A.
The system tree on the left hand side should look like
this:
b. A blue message box shows for a few seconds in the
lower left hand corner, confirming that the LTC3886 is
communicating:
c. In the Toolbar, click the “R” (RAM to PC) icon to read
the RAM from the LTC3886. This reads the configura-
tion from the RAM of LTC3886 and loads it into the
GUI.
d. If you want to change the output voltage to a differ-
ent value, like 10V: in the Config tab, type in 10 in the
VOUT_COMMAND box, like this:
Then, click the “W” (PC to RAM) icon to write these
register values to the LTC3886. After finishing this
step, you will see the output voltage will change to 10V.
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 with a new
file name.
LTpowerPlay QUICK START PROCEDURE
