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Power Supply
Figure 19
shows a block diagram of the current monitoring system. INA226 are located at the appropriate
shunts for various supplies are listed below. These INA226s would be controlled by an off-board MSP430
(or similar device) via a dedicated I2C bus mastered by the off-board device.
Power supply pin groups that are monitored are as follows:
•
VDD_MPU
•
VDD_GPU
•
VDD_DSPEVE
•
CORE_VDD
•
VDD_IVA
•
CPU_VDD_DDR
•
VDD_DDR
•
VDDS18V
•
VDDA_1V8_PLL
•
VDDA_1V8_PHY
•
VUSB_3V3
•
VDDSHV
30
DRA7x EVM CPU Board
Figure 19. Power Monitoring Block Diagram
Copyright © 2016, Texas Instruments Incorporated
www.ti.com
SPRUI50 – February 2016
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