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BQ76200EVM-606: Use all Enable pins in float state

user6022860
Prodigy 10 points
Part Number: BQ76200EVM-606
Other Parts Discussed in Thread: BQ76200
What happens if you connect power and load with all enable pins in a float state?
  • 0
    TI__Guru 54715 points

    Hi User,

    The BQ76200 enable pins have a 1M typical pull down, but the test condition is with power and the pull downs have a wide tolerance.  Depending on your board layout there could be crosstalk to the signals for the enable pins and you might see a transient on the pins.  Since the charge pump takes some time to start, transient output on CHG and DSG is not expected.