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Frequent questions

  • [FAQ] Why can the USB-PD-CHG-EVM-01 not be configured for a 1s battery?

    Part Number: USB-PD-CHG-EVM-01 The TPS25750D requires 5V on PP5V in order to source 5V and for VCONN support. In the design of the board, we decided to supply the PP5V rail from a 5V buck converter. If a battery voltage less than or close to 5V were…

  • [FAQ] What is the function of the MPPSET voltage on the BQ24650?

    Part Number: BQ24650 The function of the BQ24650 MPPSET pin is to hold the input voltage (known as the Maximum Power Point Voltage) at a set point in the event that the input power drops. It is set as a voltage divider from the input to the MPPSET…

  • [FAQ] Can the EV2400 be used to communicate with the BQ25792 through BQSTUDIO on the board USB-PD-CHG-EVM-01?

    Part Number: USB-PD-CHG-EVM-01 Other Parts Discussed in Thread: BQSTUDIO , BQ25792 , EV2400 Yes, the EV2400 and BQStudio can be used to communicate with the charger BQ25792. Please connect the EV2400 to the J7 header with the GND wire closest to…

  • [FAQ] How do I configure the TPS25750 and flash the EEPROM with the output binary for the board USB-PD-CHG-EVM-01?

    Part Number: USB-PD-CHG-EVM-01 Other Parts Discussed in Thread: TPS25750 , Open the TPS25750 Application Customization Tool and … Select all of the desired PD controller and charger parameters. Select “Download Full Flash Binary.” Power the USB…

  • [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…

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