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https://e2e.ti.com/support/power-management-group/power-management/f/power-management-forum/711485/tps549d22-unused-pmbus-pins
您好！
我有一个有关 TPS549D22 PMBus 的问题。
当不使用 PMBus 时，是否需要 PMB_CLK、PMB_DATA 和 SMB_ALRT#的外部上拉电阻？
我认为这是必需的、但在数据表的典型应用原理图中、这些引脚上没有任何上拉电阻。
此致、
OBA
