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BQ24074: Schematic review

Guru 16770 points
Part Number: BQ24074

Hi

Could you please help me to check the customer's schematics?

And I appreciate if you give me feedback. 

Schematics_charger.xlsx

I can send you full file by email If you need more information, please tell me.

 

BestRegards

  • Hello
    Review of BQ24074 Circuit below:
    1.) BAT pin, C3 recommend moving to BAT pin sided of R9
    2.) ILIM 1180 ohms -- 1.31A, looks OK
    3.) TMR 49.9k ohms -- 6.653hr, looks OK
    4.) ISET 820 ohms -- 1.09A, looks OK
    5.) EN1/low & EN2 /hi -- Input current set by R-ILIM, looks OK
    6.) TS pin R10 -- no value listed, 0 ohm OK
    7.) Value of battery Pack NTC not reviewed

    Update:

    8.) ITERM pin -- OK to Float for a termination current of 10% CC current.

  • Hi Bill

    Thank you for your cooperation!

    BestRegards