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https://e2e.ti.com/support/power-management-group/power-management/f/power-management-forum/1065241/tps92391-tps92391-not-powering-on
TPS92391即使在启用后也不加电、并且 PWM 在12V 输入下拉至3.3V
设计 attachede2e.ti.com/.../DISP.pdf
您好 Pavithra
请注意原理图中 Q1的漏极和源极的位置。 您可以使用翻转 Q1来交换漏极和源极的位置、以实现正常运行。
如果没有问题、请单击"帮助"、然后单击"已解决"。 谢谢
