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https://e2e.ti.com/support/power-management-group/power-management/f/power-management-forum/1305733/tps2552-5v-input-is-available-enable-is-3-3v-and-there-is-no-output-voltage
5V 输入可用、启用为3.3V、没有输出电压。
我可以询问从何处开始调查这种情况吗？
尊敬的 Ray：
TPS2552应为低电平有效、因此如果您想输出5V、请确保 EN 引脚为低电平、谢谢。
此致、
国野市
