按照24133的pdf典型电路,在后面的电源稳压芯片没有使能的情况下,状态指示灯在电池充满后微亮;
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整体设计思路是BQ24133+稳压芯片+MCU+灯珠驱动。现在的结果是:充电电路在稳压芯片使能端禁止的情况下,充满电后状态引脚输出约1.4V;如果把稳压芯片使能端使能的话,充满电后状态引脚输出约2.4V。板子的使能端是通过按键来实现的,就是说我按键按下,等就会正常完全熄灭,松开后就会微亮。