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TPS659102的PWRON的到底有什么作用?



根据TPS659102的datasheet 可知,如果PWRHOLD=High,将PWRON 拉低一段时间后芯片重启。如果将PWRHOLD置低,则芯片关断,并且测试结果也如此。

问题一:PWRON 引脚的作用是什么??感觉芯片的关断、开启完全可由 PWRHOLD 实现。