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Frequent questions

  • [FAQ] How is the input current limit determined for the BQ25882, BQ25883, BQ25886, and BQ25887 chargers?

    Other Parts Discussed in Thread: BQ25886 How do I set the input current limit for these chargers?

  • [FAQ] How should the /BATPRES pin be connected on the following chargers: BQ24770, BQ24773, BQ24780S?

    Other Parts Discussed in Thread: BQ24780S What is the function of the charger's /BATPRES pin, and how should this pin be connected?

  • [FAQ] Do the following chargers have a termination current setting: BQ24715, BQ24725A, BQ24735, BQ24770, BQ24773, BQ24780S?

    Do these chargers have a termination current setting at which point the device terminates the charge cycle, or will the charge current taper all the way down to zero in CV (constant voltage) mode?

  • [FAQ] Can the following chargers be used to charge smart batteries: BQ24715, BQ24725A, BQ24735, BQ24770, BQ24773, BQ24780S?

    Can these chargers be used to charge smart batteries? Are they SBS 1.1 compliant?

  • [FAQ] TPS62901: How do you select the MODE/S-CONF pin resistor?

    Part Number: TPS62901 What is the accepted resistor tolerance for the MODE/S-CONF pin resistor on the TPS6290x device? Can I use a value greater than 118k Ohm?

  • [FAQ] BQ25890: Why VSYS does not start up normally when there is a loading on the SYS and the battery is not present for BQ25890, BQ25890H, BQ25892, BQ25895, BQ25895M, BQ25896, BQ25898, BQ25898D, BQ25898C, BQ24190, BQ24192, BQ24192I, BQ24195, BQ24292I...

    Part Number: BQ25890 Other Parts Discussed in Thread: BQ24190 , BQ25898 , BQ24296 , BQ24192I , BQ25895 , BQ25896 , BQ24193 , BQ24192 , BQ24292I , , BQ24295 , BQ24298 , BQ25898C , BQ25898D , , BQ24259 , BQ25895M , BQ25892 , BQ24296M , BQ24195 , BQ24196…

  • [FAQ] TPS548A20: Bode Plot Measurements

    Part Number: TPS548A20 Do Bode plots for the TPS548A20 exist? If so, where can I find them?

  • [FAQ] TPS548A28: VCC power up with a very slow EN

    Part Number: TPS548A28 At what EN voltage does the TPS548A28 start up? At what EN voltage does the TPS548A28A power down?

  • [FAQ] TPS3899: Sensing 0.6V threshold

    Part Number: TPS3899 I need to monitor 0.6V power rail. Is there a voltage monitor, supervisor, reset IC that can do this?

  • [FAQ] TL431: TL431 vs TL432

    Part Number: TL431 Other Parts Discussed in Thread: TL432 , , , ATL432 , TL432LI , , , ATL432LI What is the difference between TL431 and ATL431? What is the difference between TL431 and TL432?

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