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电量检测选型

Other Parts Discussed in Thread: BQ27520-G4

询问各位亲,小女子遇到难题==,请各位大哥,大侠帮忙,

在可更换电池的便携式的设备里,也就是系统要经常性power down情况下,如何精准测量电池电量?

1.有没有一种可以断电使用的电量检测芯片?

2.在没有的情况下,如何做到最精确测量?精确度至少超10%吧,

请赐教。。。。

"做一个明媚的女子,不倾国,不倾城,以优雅姿态去摸爬滚打!"