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Original question:
TPA3118D2: 供电电压由24V改为15V后，TPA3118驱动的喇叭(2X15W/4Ω）声音变小了，外围电路如下，如何改变外围电路参数让声音变大?
使用tpa3118d2，喇叭输出脚无输出，喇叭不响，fault管脚为低电平
您好，fault为低，说明器件可能发生过温，过流，DC detect等错误。
芯片是否发烫？检查各个引脚电压，电流是否正常? 麻烦附上电路看下。
