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BQ76952: Configuration issue

Rahul Sharma
Intellectual 320 points
Part Number: BQ76952

Tool/software:

Dear TI Expert,

BQ7695202 CONFIGURATION

Assumption: BQ7695202 is fully powered up.

Enter configuration – update

Configuration all threshold through appropriate command.

    Exit configuration update through command.

Followed by rest of the code.

Query: Above algorithm does not work reliably. Are we missing anything?

            Request for immediate help as we are not able move forward. configuration reliability is about 50%

Thanks 

Rahul Sharma

  • 0
    TI__Mastermind 42060 points

    Hello Rahul,

    Describe exactly what is your problem. What is not working reliably?

    Do you have CRC enabled?

    Best Regards,

    Luis Hernandez Salomon

  • 0 in reply to Luis H. S.
    Intellectual 320 points

    Dear TI Expert,

    Thanks for prompt response.

    1. Please review the above-mentioned algorithm and suggest if it is perfect or any modification.

    2. We are facing issue. when we configured BQ76952 via host controller and making power on and off. the application of multi-function pin is disturbed more precisely temp. measurement. We are using Temp Pin ie. TS1, TS3, HDQ, CFETOFF and DFETOFF up to our best knowledge we are taken care of the information, mention in TRM, Datasheet, S/W guide development. 

    3.We are facing also problem, sense voltage data received zero-zero particularly after Power on off host controller.

    Point 1, 2 & 3 note that connections of BQ76952 are not disturbed which means Reg1, Reg2 and Reg18 voltage are present.

    We are not disrupting the power of host MCU.

     

    Thanks 

    Rahul Sharma

  • 0 in reply to Rahul Sharma
    TI__Mastermind 42060 points

    Hello Rahul,

    There is too little information here, you will have to send a description on what is being sent, what is expected, an what is actually happening.

    Best Regards,

    Luis Hernandez Salomon