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TMP75: TMP75 not able to write value to High/Low register

Part Number: TMP75

Hi expert,

As titled, customer found the sensing on their board the value is wrong, read back via I2C.

Passing case is high 85 - low 75

Fail is high 0 - low 3

Even try to overwrite this register value, but read back the value after update, the value is not changed

Do you have any idea with this?

From the schematic, also I found there's a 2.2ohm not k, pull up to VCC