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TPA2011D1: A momentary short circuit cause IC broken down

Part Number: TPA2011D1


In our device, we use TPA2011D as AMP, and the output connect a 3.5mm Phone Jack to 8Ω speaker.

We found when we remove the phone jack from connector, it will cause a momentary short circuit between AMP output L+/L-. And then TPA2011D broken down.

In the datasheet, TPA2011D has Auto-Recovering Short-Circuit Protection, but why TPA2011D broken down?