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Open-Q™ 2100 Development Kit based on the Snapdragon™ 2100 (APQ8009W) Processor User Guide Version 1.4
hardware requirements of the processor.
3.9.4 DC Power Input J3000
The Open-Q 2100 Development Kit power source connects to the 12V DC power supply jack
J3000. Starting from the power jack, the 12V power supply branches off into different voltage
rails via step down converters on the carrier board and PMIC on the SOM. The SOM is
powered by 3.7V via a Qualcomm battery charger U3300 on the carrier board. To ensure the
SOM is getting powered correctly, the user can monitor the voltage going into the SOM via
test point TP3301.
Figure 10 J3000 12V DC Power Jack
Figure 11 TP3301 to measure VPH_PWR
23
Copyright Intrinsyc Technologies Corporation
Measure voltage going
into the SOM
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