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Survey suitable 3S1P Battery protect solution, function as BQ29700

Kuo Nowal
Expert 2315 points

Hi sir,


May I know BQ29700 suitable 3P1S Battery protect ? (consider each battery have different voltage)

or suggest 3P1S solution?

or Gauge suitable this application?

  • 0
    TI__Expert 4640 points
    Hi,

    The bq29700 is suitable for any 1S XP battery pack configuration where X refers to the number of cells in parallel. Can you elaborate on the statement you made: "consider each battery have different voltage"? Usually when battery cells are placed in parallel they will balance each other off so they will all hold the same charge. Now this is not true across the board since you could have cells that have a 4.2V charging voltage vs a 4.3V cell etc. In general the cells should be the same exact cell when they are placed in parallel.

    Miguel
  • 0 in reply to Miguel Angel Rios
    Expert 2315 points

    Hi sir,

    Thanks for your reply.
    if battery is 18650, also suitable this application?