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BQ24292I: Inquiry regarding BQ24292IRGER(Charger IC) / BQ28Z610-R1(Fuel Gauge)

Grady Lee
Genius 4355 points
Part Number: BQ24292I
Other Parts Discussed in Thread: BQ28Z610-R1

Hi, TI expert

There is an inquiry from a customer regarding BQ24292IRGER (Charger IC) / BQ28Z610-R1 (Fuel Gauge).

Q1) Currently, BQ24292IRGER (Charger IC) and 1-Cell (4.2V SDI Cell) are being applied.
If we develop and apply 2 cells in a 1S2P configuration, can we continue using the same Charger IC? Is it correct to consider it as 1-Cell as long as it is not 2S1P?

Q2)Currently using BQ28Z610-R1 (Fuel Gauge).
If we develop a new battery using the same method mentioned above, can we continue using the current BQ28Z610-R1 (Fuel Gauge)?

Please check. Thank you.

  • 0
    TI__Mastermind 18490 points

    Hello,

    Grady Lee said:
    Q1) Currently, BQ24292IRGER (Charger IC) and 1-Cell (4.2V SDI Cell) are being applied.
    If we develop and apply 2 cells in a 1S2P configuration, can we continue using the same Charger IC? Is it correct to consider it as 1-Cell as long as it is not 2S1P?

    That should be fine, the BQ24292 is a single cell device in so far as the voltage regulation values available only cover single cell voltages. If the 2-cells are in parallel then these regulation voltages should be fine. 

    Grady Lee said:
    Q2)Currently using BQ28Z610-R1 (Fuel Gauge).
    If we develop a new battery using the same method mentioned above, can we continue using the current BQ28Z610-R1 (Fuel Gauge)?

    To answer this question, I would recommend creating a new E2E thread with the fuel gauge number as the primary part number so it can be addressed to the gauge team.

    Best Regards,

    Juan Ospina