老师,您好!
目前手上有一个项目是BQ20Z75方案,不使用二段保护功能,请问下PFIN和SAFE管脚需要如何处理?是否可以悬空?还是要做下拉?
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如果是悬空的话要注意Permanent Fail Cfg中的XPFIN [0]位为0, 默认参数就是0。bq20z70 and bq20z90 Application Book这个文档的87页有讲这个标志位。