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TPA3110D2-Q1: supply current to this device

Other Parts Discussed in Thread: TPA3110D2-Q1

Dear all,

I wouid like to figure out the instantaneous supply current to TPA3110D2-Q1.

Could you teach me?

I use this device under following condition.

Vcc = 10.6V, Speaker resistance = 3.5Ω.

Under this condition, the instantaneous value was 1.5A of speaker output.

So I think that the instantaneous supply current is 1.5A + consumption current of IC's own.

Is this correct? Should I consider that with efficiency?

And, I think that the consumption current of IC's own is from the resistance of internal transistor and the gate current.

Should I consider these consumption current to the supply current?

Best regards,