WEBENCH® Tools/DRV8836: DRV8836

Part Number:DRV8836

Tool/software: WEBENCH® Design Tools

Hi:

     I have some question about DRV8836 as follows:

    Equipment in 24 hours, 75 degrees high temperatures DRV8836 is broken，the motor does not work. After analysis is DRV8836 is broken,How do I exclude chip where is broken?

    Thanks very much.