MCP19111 PMBus™ Protocol-Enabled POL Converter Reference Design
DS50002379A-page 22
2015 Microchip Technology Inc.
3.2
VOLTAGE CALIBRATION
Follow these steps to perform the voltage calibration procedure:
1.
Select Developer from the PMBMonitor GUI main menu, then choose the
Calibration
tab.
2.
In the VOUT Settings Panel, press the
Read
button.
FIGURE 3-2:
VOUT Settings Panel Description.
3.
On the board, measure with an accurate voltmeter the output voltage between
the TP41 and TP40 test points.
4.
Input the value obtained in Step 3 in the “Measured” field, then press the
Send
button to update the data on the board.
5.
Verify that both the output voltage (measured with the voltmeter) and the
PMBMonitor transmitted value that appears on the screen are correct.
6.
Go to the Status menu, and in the Operation Panel, press the
StoreALL
button
to keep the actual value after power-off.
FIGURE 3-3:
Status Menu – Operation Panel.
Measured
Value
Input Field
PMBus™
Transmitted
Value
Reads VOUT
from the Board
Sends Data to
Board
StoreALL
Button