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BQ24133EVM-715-15V: BQ24133

Safwan Alhafian
Prodigy 10 points
Part Number: BQ24133EVM-715-15V
Other Parts Discussed in Thread: BQ24133

Hello...

I used Bq24133 ic, battery support design for two cell application.
and i used an adapter 15V/1.2A output
but the charge not working with this value and when i used power supllay with 13V and less it Worked well.
can you tell me where is the problem, please?


  • 0
    TI__Expert 8690 points
    Hi Safwan,

    Why is there no input FET in the schematic? Also, D5 should not be placed there, remove it.

    Based on the datasheet, we also recommend 6.8uH on the inductor and 10uF on the output caps for ~1A output, as for input caps, use 2x10uF, all these caps should be 25V rating.

    Regards,
    Steven