J721E EVM Hardware Architecture
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SPRUIS4A–December 2019–Revised May 2020
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Jacinto7 J721E/DRA829/TDA4VM Evaluation Module (EVM)
4.5 Power Supply
Figure 18 shows the SoM ’s power distribution system. The Power to the SoM is derived from the Dual
Buck converter 12 V to 5.0 V / 3.3 V on the Common Processor Board. The J721E processor is powered
from a dual TPS6594x PMIC solution, which is optimized for the J721E to support a wide variety of use
cases.
Dual load switch TPS22976-Q1 provides the switching option for the LPDDR4 I/O power supply (1.1 V /
0.6 V).
Figure 18. J721E SOM Power Distribution Block Diagram
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