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BQ76907: Questions about measurement timing and data readiness

Jacob Wyrick
Expert 7440 points
Part Number: BQ76907

Tool/software:

Hi team - A few questions about the BQ76907:

  1. When does the Cell Voltage Data Registers get updated with data?
    1. Is it after their individual measurement slot or after a ADCSCAN/FULLSCAN is complete?
  2. Is there any way for MCU to poll for completion of ADCSCAN/FULLSCAN without relying on the ALERT pin?
  3. How long will a single conversion of Current Measurement channel take in total before data is ready?
    1. Does the filtering require additional time apart from the conversion time?
    2. Are the Raw Current, CC1 Current and CC2 Current registers updated at the same time?
  4. Is current measurement synchronized with voltage measurements in some manner? Or are they completely independent?
  5. When Cell Balancing is enabled, is there any way for us to determine which voltage measurement slots are replaced with idle slots?

Thanks,

Jacob