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TPS6594-Q1: TPS65941212 BUCK3_FB setting for different NVM version

Part Number: TPS6594-Q1

Hi team,

For below two different NVM version of 1212, the upper is SOP version (fail to power up with BUCK3_FB connect to GND), the under one is pre-RTM (BUCK3_FB connect to GND could power up successfully).

From the NVM reading regards to FB3 setting shows no difference, buck3 rail group is no group which will not trigger state machine change. What makes the difference?

I was told, if the PMIC name with X1212, hardware version should be same (LEO2.0/PG2.0), the only difference is NVM version, i don't see many difference with NVM CODE2=0 and NVM CODE2=1 .

Regards

Dongbao