请问大家有没有类似的经验,还有7脚的EN 要给一个电平吗?
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Hi
这个芯片外围器件简单,没有零件能导致本来负压输出的脚正压输出,所以很可能是芯片问题。
请问你的芯片哪里买的?
Hi
芯片启动,EN脚必须有个1.2V~Vin的高电平。