BQ25620: The IIC Pull-up resistor

Charlie Xiao

Part Number: BQ25620

Hi BU expert,

There is no IIC Pull-up resistor info in datasheet. Maybe I know how to decide the IIC Pull-up resistor in 100kHz mode and 400kHz mode?

Regards,

Charlie

0 Ning T over 1 year ago

Hi Charlie,

The EVM uses 10kohm pull-up resistors for SCL and SDA.

Thanks,

Ning.

0 Charlie Xiao over 1 year ago in reply to Ning T

Hi Ning,

Is 4.7kΩ OK? Thanks.

Regards，

Charlie

0 Ning T over 1 year ago in reply to Charlie Xiao

Hi Charlies,

The device uses an I2C compatible interface. As long as the I2C specs can be met with the specific pull-up resistor, it is fine.

Thanks,

Ning.

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