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BQ25758: BQ25758 and BQ25756

Roy Lin1
Intellectual 1080 points
Part Number: BQ25758
Other Parts Discussed in Thread: BQ25756,

Tool/software:

Hi team,

Customer ask what is the difference between BQ25756 and BQ25758,

Can you show the key differences of these two devices?

Is BQ25758 only can work with 14 cells battery?

Thanks

  • 0
    TI__Mastermind 31605 points

    Hello Roy,

    Thanks for working with this. The BQ25756 can BQ25758 are very different devices for different applications. Here's a quick overview.

    The BQ25756 is a non-power-path bidirectional battery charger. It can operate in either host-control mode or hardware only mode. The BQ25756 can be set up to charge 1 type of battery really well.

    The BQ25758 is a bidirectional DC-DC converter that has to be programmed with I2C. The BQ25758 can be used a general purpose DC-DC converter. The BQ25758 also has CC/CV control and can be used to charge a wide array of different battery types.

    Both ICs will work with USB-EPR and can operate as either a source or a sink.

    Let me know if this answers your question.

    Best Regards,
    Ethan Galloway