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TPS40425: 2-phase total power and GUI monitor issue

Part Number: TPS40425
Other Parts Discussed in Thread: CSD95372AQ5M, , TPS40428

Hi Sir,

may we learn from you this issue,thanks.

I use TPS40425+CSD95372AQ5M for application design

Read current and power consumption through GUI, such as 1.8V(operating Two-phase).

The total current is CH#1 plus CH#2, right?

Total power consumption: 1.8*(10.5+9.1) =35.28W

But the GUI shows that CH#1 is 1.814v*10.563A = 19.16W and CH#2 is 1.814v*9.125A≠19.16W (total 19.16+19.16=38.32W).

The results are not consistent. How do we look at this?

How to readout if I use I2C?  According to PMBus, is 0x96 Pout? 

CH#1 or CH#2 or CH#1 +CH#2 ?