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tps65217+am3358



 你好;

目前使用tps65217c 和 3358,参考bbb a6的板子做的核心板

现在遇到一个问题,输入5v正常稳定,sys5v每间隔2s被拉低一次,rtc1.8v也会被拉低到0v

其他的ldo都是0v

目前负载都已经去掉,只留下了1.8v的rtc供电给cpu的rtc部分