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AM3703 and TPS65930 Power Estimation

Vini
Intellectual 895 points
Other Parts Discussed in Thread: AM3703, TPS65930

Hi,

I am using AM3703 and powering it with TPS65930 PMIC. I need clarifications regarding power consumption estimation for this combination.

3.3V is used for powering the TPS65930. Now considering the worst case maximum power consumption as per datasheet, ~1.3A is required from 3.3V supply at the input of PMIC (Considering 80% efficiency for switching regulators of PMIC and neglecting VDDA_DAC for AM3703 as DAC is not used). 

I can estimate the actual power consumption to some extent for AM3703 from the power estimate spreadsheet available. But there is no such estimation sheet available for PMIC itself. Out of total 1.3A, 490mA is required by PMIC itself.

Are there any guidelines for power consumption of TPS65930? Or at least are there any practical measured values? I am using USB PHY interface and audio codec interface of PMIC along with power modules required by AM3703.

Best Regards,

Vini