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AM62A7: Need worst case and other comparable power consumption of the AM62A74AUGSIAMBQ1 SOC .

Part Number: AM62A7

Tool/software:

Hi TI Team 

We need TI support in selection / clarification of power supply for AM62A74 Sitara SoC. The design is based on the AM62A74 SoC and TPS65222. 
Do we have to consider the worst case current requirement of the voltage rails such as 0.85V, 1.1V, 1.8V ,3v3 etc while considering the power supply selection ? Because then the worst case power comes close to 9W. But it is said the SOC is rated around 5W.
Can you please help here to share the worst case power consumption and other possible comparable power consumption of the SOC sitara  AM62A74?
Thank you! awaiting your response.