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TAS2557EVM板输出问题

Other Parts Discussed in Thread: TAS2557

Hi Ti Team,

目前用TI的TAS2557 EVM按调试板说明,遇到功率输出的问题,按TAS2557功放输出功率可支持5.7W,实际最大仅1W,用的是1kHz标准正玄波信号用PPC3界面控制播放,通过负载用APX585采集输出功率,我试着单声道在Vbat1供电也没有改变,是不是内部按扬声器参数已经给了默认设定,试着改变扬声器振幅,还有保护温度同样也是一样,很无解,麻烦各位给个解答,感谢!