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https://e2e.ti.com/support/power-management-group/power-management/f/power-management-forum/964396/tps54821-power-good-pwrgd-left-floating
如果不需要电源正常信号、PWRGD 引脚能否保持悬空？
您好 Jason、
是的、PG 是一个开漏电路、如果不使用该电路、该电路可以悬空。
谢谢、
Lishuang
