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BQ51221: I2C Max Pull-up Voltage

Part Number: BQ51221
Other Parts Discussed in Thread: BQ51021

In the datasheet I2C section (page 7), the test conditions stated pull-up voltage = 1.8V and the abs. max. ratings (page 4) = +7V.

Is it safe to use +5V pull-up for normal operation?

If so, I assume, the threshold would still be +0.4V & +1.4V?

Would the same answer apply to BQ51021 (bq51221-EVM & BQ51021 product) ?

Thank you,