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TPA3255EVM: PBTL Mode 2ohm Load

Part Number: TPA3255EVM

Hi Sir,

We met a problem is , 4-8ohm load is no problem but 2ohm enter to OLP ,would you please take a look and provide the suggestion, thanks you!

In 2ohm Vin=48V , 1K frequency 

1.the out pin : FAULT=0,CLIP=1

2.Mode=PBTL ,M1=0 / M2=1,J7/J8=0,OUT A and C shorted,OUT B and D shorted

Output RMS=30V