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TPA3220: TPA3220 EVM test fail

Part Number: TPA3220
Other Parts Discussed in Thread: TPA3255EVM

Hi Team,

The spec is show TAS3220 can support 100W, but to be burned out at 20W testing, please help suggestion, thanks!

CH1= Speak Output  CH2=Audio Input  CH3= CLIP_OTW  CH4= Fault

PVDD=52V,output  Fail 1KHz/31.5V RMS/ 3 ohm load

 

https://drive.google.com/file/d/12rRX9v47o7Gw8tX6wk_3PNhCd-7qBlQt/view?usp=sharing