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TPA3245: Is possible to put two or more TPA32XX in PBTL parallel.

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Replies: 3

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Part Number: TPA3245

Is possible to put two or more TPA32XX in PBTL  parallel. I Know that is possible to use multplie devices syncronized, but I need to Know that if I can drive a speaker less than 1 ohm if we put two or more units in parallel.

Thanks a lot.

  • We will take a look and then get back to you.
  • In reply to Andy Liu (BMS):

    Hi Francesc,

    At one point we actually did test to see if it was possible to run two of our devices feeding the same speaker. Unfortunately we concluded you can't. The biggest problem is balancing between the devices. The slight variations (on atomic scale) between the FETs will cause one of them to take on the majority of the current and thus damage them.

    So long answer short, you cannot.

    Best Regards,
    Robert Clifton
  • In reply to Robert Clifton56:

    Thanks a lot, for the prompt answer

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