Other Parts Discussed in Thread: AM3358,
tps65910给AM3358提供电源,上电3358不启动,发现上电后电源轨RTC电压为2.31V,AM3358反馈的PMIC_EN信号也是2.31V,请问为什么会这样?
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HI
确认一下RTC LDO输入VCC7与VRTC之间的阻抗是否已经异常,一般LDO损坏了才会造成输出电压偏高,如果是这样很可能芯片烧掉了。