This operation physically switches the sense resistance on the power path. The measured current must not exceed
the measurement range, otherwise the voltage drop across the sense resistor may lower the supply voltage below
the operating range. This may cause a device operation failure. For example, if using the reset button on the board
or a Linux OS command to reset from a low-power mode, set all rails to the large measure range for power safety.
If using the BCU remote control command to reset the board according to
all dual-range rails are set automatically.
CAUTION
3.4 Power acquisition using PMT
For detailed instructions on how to set up and run the PMT on the MX8MPLUSLPD4-PEVK platform, see the README file in the
PMT
or the
i.MX Power Measurement Tool
(document
).
The PMT GUI running on the i.MX8MPLUS PWR board is shown in
.
Figure 6. PMT monitoring main window display
Additional windows can be displayed in the “Windows” menu, showing the following:
• Power measurement information since the start of the capture:
NXP Semiconductors
Getting started
i.MX 8M Plus Power Measurement Board User's Guide, Rev. 0, 29 April 2021
User's Guide
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