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TAS2552 power consumption estimation

JIANDE WU1
Prodigy 180 points
Other Parts Discussed in Thread: TAS2552

We would like to use TAS2552 on our platform. And we would like to estimate its power consumption & limitation.

required SPEC : 1.  8ohm speaker with 3W maximun outpower

                                2. Vbat input = 5V

                                3. I2S audio input and no analog input source

How can we estimate drain power from Vbat, power efficiency of calss-D+boost?

Does ILIM setting have limitation on our platform?(Default is 2.5A)

How can we mapping gain tuning & power drain requiremnet?

Thanks.