Power
26
IGLOO PLUS Starter Kit User’s Guide
Figure 3-4 · Schematic for Potentiometer
Current Measurement
Once the IGLOO PLUS evaluation board is powered up, you can evaluate power consumption using the current
measurement four-pin headers on the board (
Figure 3-5
). Current measurement can be made without powering down
the board.
Four-pin headers are used for current measurement of the rails shown in
Figure 3-6 on page 27
. All banks are separated
and two of the banks have an option to power-up though a 3.3 V or 2.5 V source, as shown in
Figure 3-7 on page 28
.
Voltage sources can be selected using jumpers or can be selected to sweep between 1.2 V and 1.5 V using the
potentiometer on the development board.
1V5_1V2
VCC_SWEEP
1
3
2
RV1
5K pot
RV1
5K pot
C3
5
1uF
C3
5
1uF
Set the multimeter to measure current and attach the probes
to pins 1 and 4 when the board is in normal operation.
Remove jumper from pins 2-3 for current
measurement without powering down.
Figure 3-5 · Current Measurement 4-Pin Headers
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Summary of Contents for IGLOO PLUS Starter Kit
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