1、BQ25895的PMID和SYS后端分别接上LDO转3.3V给后端电路使用,用PMID后端电路断开VBUS供电切换到电池就是复位,同样操作使用SYS就不会复位,请问是电路设计有问题吗。
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您好,请看一下数据手册19也,转 boost mode有30 ms 延时,请确认是不是延时导致的复位
电路请参考 https://e2e.ti.com/support/power-management/f/196/t/874557 BQ2589X: Schematic Review and PCB Layout Design Tips
https://e2e.ti.com/support/power-management/f/196/t/875386 BQ2589x/BQ25898x FAQs.