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TPS62992-Q1: power dicipation calculation of TPS62992QRYTRQ1

sijia dong
Prodigy 60 points

Part Number: TPS62992-Q1

There is no power dicipation calculation formula in the datasheet of this buck IC, nor is there any parameter information about the built-in MOS, etc. I tried to calculate it in Webench, but the recommended component selection is different from mine, so I cannot calculate the power dicipation of the buck IC for my circuit design. Could you please provide the power dicipation calculation method for the TPS62992QRYTRQ1 chip?