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BQ25895 SYS不升压

Other Parts Discussed in Thread: BQ25895

目前使用BQ25895,没有对IIC进行任何配置,D+,D-悬空,CE接地,DSEL和QON悬空,ILIM负载电阻220欧,可以正常给电池充电,OTG拉高PMID也有升压输出,但是当VBUS不输入,电池电量低于3.5V的时候,SYS输出为随电池电压变化,没有升压至最低电压,OTG拉高拉低都尝试过了均不行,请指教