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TPA3255: 发热问题

Part Number: TPA3255

Hi 

客户再使用TPA3255 时,用两颗做2.1应用,发现再无音源信号输入时,不接负载的情况下芯片会发烫,接通电源10分钟左右温度会去到70~80°左右。如下是线路图,还请帮忙分析。谢谢

FS-T889_Stereo50W+250W_(BP1048B2+TPA3255x2+JW5121)_20230907.pdf