TPS552872RYQR,en设置为1.8V VIN12V,MODE浮空。有问题吗?都是和官网参考的一样、没有输出Vout,也没有VCC?测试了两个板子都不行。
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感谢您对TI产品的关注!
关于你的咨询,Vin输入范围3V to 36V, mode可以floating。
EN输入范围High level Max 1.15V. EN设置太大了吧。
TPS552872, 36-V, 4-A, Fully Integrated Buck-boost Converter datasheet