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LM5066I: Question about LM5066IPMHX/NOPB

Part Number: LM5066I

Hello:

Recently, when a customer is using LM5066I, they encountered a situation where any value written in the data would read out as 0XFF (it seems that it was not written in at that time). Have you encountered similar problems before?

The following image is a captured waveform. Could you please help analyze it

      

IIC request data information:

Decoded Address: 0x15

Register address: 0x51 (RW permission)

We read all the data as FF, so we tried to write data 01 02 first and then read it again. We found that the data we read was still FFFF. Please refer to the screenshot below