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TAS5630B过载不知道原因?



TAS5630B,ready管脚输出高电平,OTW1输出低,SD管脚输出低,OTW2输出高,clip输出低电平,芯片周围器件没问题,工作电压也没有问题,datasheet中写的SD:OTW1:OTW2为0  0  1,描述为过载或欠压并超温警告,,但实际上喇叭最大只有240W,选用PBTL模式,目前不知道是什么原因导致过载