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BQ25120A: pre-charge

user6237652
Prodigy 10 points
Part Number: BQ25120A
Other Parts Discussed in Thread: TPS61222

To the person in charge

I would like to ask you about your charging IC "BQ25120A".
In the pre-charge mode of “BQ25120A”
What is the maximum output current of the PMID pin?

The same power IC “TPS61222” of your company
What is the current consumption and maximum output current?
Thank you.

  • 0
    TI__Genius 12485 points

    Hello,

    The maximum current you can pull from the PMID pin is when battery only is present- Battery OCP level and when VIN is present- ILIM current value (configurable)

    When both battery and adapter are present- you can get around 400mA from VIN and 850mA from battery.

    For the TPS61222, the output current as a function of input voltage can be found here below. Also the typical current consumption on VIN is around 0.5uA and Vout is around 5uA. 

     

    Let us know if you have any questions. 

    Regards,

    Gautham