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这是我们的TPS6508641RSKR 的原理图，我在上电后测量发现：
只有LDO3.3和LDO5.0V正常,其他的电压都没有，器件I2C地址读不到，电压芯片换了好几次了，都是这样现象。
mwir-rtsp_tps6508641_v100_20241.pdf
您好，
请参考”TPS65086x Schematic and Layout Checklist (Rev. A) ”检查电路设计。
关于芯片设计请参考
Using TPS65086x PMIC to Power Xilinx Zynq UltraScale+ MPSoCs
