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BQ24133: 2-cell unremovable battery configuration

Veeramani Viswanathan B
Prodigy 180 points
Part Number: BQ24133

Hi,

Going through the datasheet, we came across the below system example.

Can we use the following circuit with 2-cell..?

Also what happens if the cell is removed and the adapter is powered ON in this configuration....?

  • 0
    TI__Mastermind 24075 points

    Hi,

       Are you only charging battery, or are you also trying to power an external system load? Yes, you could use that design for a 2 cell application. This design just shows that you can remove a PFET, and leave BATDRV floating, if you do not need direct power path architecture.

    Keep in mind, adapter should be rated to be able to provide charge for 2 cell battery (VBUS>VBAT)