Reading two pack smart battery data

Discussion in 'The Projects Forum' started by skybox, Jul 22, 2010.

  1. skybox

    Thread Starter Active Member

    Mar 2, 2009
    68
    1
    Hi guys,

    I am using a two pack battery in my project. Each pack has its own SMBus communication wires using the Smart Battery protocol. I can communicate with each pack perfectly fine. I want to run the two battery packs in parallel.

    My question is:

    I tried to short Pack A Data line and Pack B Data line, Pack A Clock line and Pack B clock line for the SMBus protocol, and I can't get valid battery pack data. Is this even possible?
     
  2. windoze killa

    AAC Fanatic!

    Feb 23, 2006
    605
    24
    Simple answer is no.

    You will need to employ a bit of logic and check each one individually.
     
  3. Bosparra

    Member

    Feb 17, 2010
    79
    3
    Just out of interest, how are you reading the data?
     
  4. skybox

    Thread Starter Active Member

    Mar 2, 2009
    68
    1
    Thanks. I will go ahead and try this. I believe they might have different addresses for each pack. Thanks !
     
  5. skybox

    Thread Starter Active Member

    Mar 2, 2009
    68
    1
    Using a PIC microprocessor to read data off the battery
     
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