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TPS65023: PMIC not responding to processor

Part Number: TPS65023

Tool/software:

Hi,

My customer is experiencing an issue where they are seeing occasionally the PMIC device does not respond the processor. When looking at the I2C lines, they see the device does not respond to the OMAP processor. 

Could we get your initial thought as to what first steps should be in debugging this? Also please let us know what additional information you need and we will work to try and provide it.