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UCD9248: After connecting the chip and configuring the output voltage, there is no output voltage

Part Number: UCD9248

Hi,

When I was using UCD9248, I connected the chip and configured the output voltage. There was no output voltage. I saw the detection interface. It was low voltage input fault, but measuring the input voltage is normal. I don't know what the reason is. Now connect the fusion digital power designer and configure the 1V voltage output. The fault of low input voltage is reported, and there is no voltage at the output. The attachment is a screenshot of the problems in the schematic diagram and configuration software. Please analyze the reasons.

    Thank you!