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BQ79656-Q1: Ring communication between BQ79652 and BQ79612

Ashish Choudhary
Prodigy 60 points
Part Number: BQ79656-Q1

Hello,

I am working on a project where i have to perform ring communication between BQ79652 and BQ79612 ICs. I have connected the COMH of upper device to COML of lower device. But i cant wake up the stack device. I am sending a Wake ping by pulling the Receiver pin of BQ79652 low for 3ms and then added a delay of 12ms*total boards. I have used the same code for daisy chain and it was working but for ring communication it's not working.

Is this the correct wake sequence for ring communication? Thanks.  

  • 0
    TI__Genius 17370 points

    Ashish,

    Please take a close look at datasheet section 9.3.6.1.3.4 Ring Communication. There are additional steps for using the ring architecture that must be carefully executed exactly for this to work as expected.

    Regards,

    Taylor