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此芯片在没有出声的情况下输入电流有250mA,温度45度以上,后端接的两个4欧喇叭,软件层面要求输出16W,既一个喇叭8W,工作起来后很块就到90-100度
1、使用0.47uf可以看一下这篇问题e2e.ti.com/.../tas5805m-false-overcurrent-trigger-happened-occasionally-in-pbtl-mode
2、输出端用的100ohm@100M铁氧体磁珠
采用铁氧体磁珠输出,TAS5805M的效率将低于LC滤波器。此应用程序(www.ti.com/.../slaa880.pdf)说明对TAS5805M进行了更多的热考虑,但如果设备仅在100℃下运行,则应该没有问题。