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画好的PCB做好样品无法启动，LED灯不亮。测试自耗电为0.4uA，没有查出是什么问题。请工程帮忙看下是什么问题造成.附件有原理图谢谢
BQ40Z50上电后是默认在shutdown模式，需要插入充电器，即Pack pin上有电压才能激活。
短接一下bat+ 和pack+
