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（之前的IC不正常工作问题已经解决了，犯了很低级的错误，太丢人就删了）
现在有一个新的疑问，比如给电池充电，限制在4A？
Hi
选择Qg尽量小的MOS看一下驱动效果？ 这颗芯片驱动力一般，功率比较大可能驱动力不足。
