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使用BQ76940的时候,CHG_ON,DSG_ON打开,电压只有3.3V?



给位工程师!

使用BQ76940的时候,CHG_ON,DSG_ON打开,电压只有3.3V?我通过控制,能够正常开断CHG_ON和DSG_ON,电压值为0-3.3V。请问,这是为什么?不是应该是0-12V吗?请指教。