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BQ25620: Maximum current through Q4? (SYS output)

Gauthier Heiss
Prodigy 50 points
Part Number: BQ25620
Other Parts Discussed in Thread: BQ25611D,

Tool/software:

Hello,

I am looking for a future replacement/upgrade of my design where I use a BQ25611D chip. I have discovered the newer BQ25620 chip but I didn't manage to find on the datasheet what is the maximum current that can be pulled from SYS output (Q4 internal FET)?

Best regards,

Gauthier

  • +1
    TI__Mastermind 31140 points

    Hi Gauthier, 

    The maximum allowable continuous battery discharge current through Q4 internal FET is 6A, which is the same value as the spec on BQ25611D. Below I have included the section from the BQ25620 datasheet for your reference. It is located on page 7. 

    Additionally, on BQ25620 max peak current through Q4 internal FET is 10A, but the current can only increase above 6A for max 50ms. 

    Best Regards,

    Garrett