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使用BQ25882为锂电池充电,插入5V vbus, BAT 和SYS 就达到12V

Other Parts Discussed in Thread: BQ25882

使用BQ25882为锂电池充电,插入5V vbus, BAT 和SYS 就达到12V,希望在9V左右,原理图如下,帮忙检查一下