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PF8100  VSNVS  output  Impossible Voltage

Question asked by 褚立 褚 on Nov 29, 2018
Latest reply on Dec 3, 2018 by 褚立 褚

when i modify "i.MX8QXP MEK schematic" to my own imx8qxp board, see attachment,i find VSNVS pin output at 5v, in datesheet VSNVS max output voltage is 3.3v. i do not know where is wrong, thanks for give me some suggesstion!

 

我在用官方IMX8QXP修改至自己的核心板,主要是简化了不必要的接口电路,原理图见附件,但我板子做回来测量发现VSNVS的输出有5V,而数据手册上最高电压为3.3V,找了很大时间未找出原因,所以求助论坛,非常感谢!

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