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TPS26750: Online configuration tool

diego sarlinga
Prodigy 60 points
Part Number: TPS26750
Other Parts Discussed in Thread: , BQ25756

Tool/software:

Hello, I'm trying to use USBCPD config tool for TPS26750 and a battery charger for 6s battery application.

In the questionnaire, item 14 is asking for battery charging voltage, in my application will be around 25V but I can't set it above 1.566V.

 

Is this a bug? or I'm miss interpretating the asked parameter? 

Thanks!

Diego 

  • +1
    TI__Mastermind 31392 points

    Hi Diego, 

    Thank you for reaching out!

    See highlighted below from TPS26750EVM User's Guide: 

    The battery regulation voltage is programmed using a resistor divider on the FB pin of the BQ25756. The default internal voltage reference is 1.536 V, and can be changed via the VFB_REG register bits (question 14 in TPS26750 GUI). 

    Please let me know if you have additional questions. 

    Best Regards, 

    Aya Khedr