Ublox XPLR-IOT-1, User Manual

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XPLR-IOT-1 - User guide
UBX-21035674 - R02 Platform description Page 12 of 39
C1-Public
3.2.3 Power and current measurement
System current from the VBAT supply rail is measured by cutting jumper NC15 and placing an
ammeter or power analyzer across J10, pins 2 and 3, as shown in Figure 6. The expected current
measurements are shown in Table 3 .
Figure 6: PCBA power switch and system current measurement test points
⚠
J10, pin 1, is connected to system ground.
☞
All current measurement jumpers within PCBA are compatible with the Nordic Semiconductor
Power Profiler Kit II
[28] .
Figure 7 shows the power switch and current measurement location on the C10 assembly board.
Figure 7: Power switch and current measurement location – bottom view