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BQ77905: 2S Battery

Fabio Gou
Expert 4575 points

Part Number: BQ77905
Other Parts Discussed in Thread: BQ7718

1. Do we have 2s primary battery protector products?

2. Whether BQ77905 could be used in the 2s battery situation?

  • 0
    TI__Expert 3435 points

    Hi Fabio, 

    We do have the following recommended products that can support a 2s configuration but will not have most of the features of the BQ77905. 

    1.BQ7718 - stackable secondary protector for overvoltage protection

    2.BQ2945x - secondary protector for overvoltage

     The BQ77905 is not able to support 2s as it is for 3-5s applications.

    Best, 

    -Luis Torres

  • 0 in reply to Luis Torres
    TI__Expert 4575 points

    The customer need primary protector not secondary.

    So the OTP/OCD/SCD/OT..... protection are needed.

    The device you recommend to me is secondary protector.

    So we do not have 2s primary protection solutions?

  • 0 in reply to Fabio Gou
    TI__Expert 3435 points

    Hi Fabio,

    That is correct, our team is aware of this and are working to strengthen our portfolio with a future solution. Stay tuned on ti.com to learn when new product releases are live.

    Best, 

    -Luis T