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电压采集芯片

我用的BQ76PL455 的开发板在LDO的电池电压转5.3V电压时,串接的电阻会烧,然后换了电阻和LDO的ZXTN4004KTC,开发板也不可以用,是不是采集芯片烧坏了,,为什么会出现这种情况?