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  • [FAQ] BQ24800: What is the sequence of ACFET/RBFET and BATFET when the adapter is plugged in? What is it when the adapter is unplugged? Can these FETs be on at the same time? What happens if a battery is removed or inserted while an adapter is present...

    Part Number: BQ24800 ACFET/RBFET and BATFET can never be on at the same time, otherwise there would be a short from the adapter input to the battery. The process always starts from ACDET, which cannot be ignored by the controller, although it can be directly…

  • [FAQ] BQ24800EVM: Why is my battery quiescent current higher than expected?

    Part Number: BQ24800EVM Other Parts Discussed in Thread: BQ24800 Tool/software: The quiescent current stated on the BQ24800 data sheet applies only to the IC itself and not the EVM. Other components on the EVM board can also draw small amounts of…
    • Answered

  • BQ24800EVM: External BATPRES comparator - what for?

    Resolved
    Part Number: BQ24800EVM Other Parts Discussed in Thread: BQ24800 , Tool/software: Hi, On BQ24800EVM (kit for BQ24800 battery charger) there are two options for detecting battery presence - BATPRES signal. According to datasheet/guide: "The BQ24800EVM…
    • Resolved

  • BQ24725A: Req for battery charger module suggestion

    TI Thinks Resolved
    Part Number: BQ24725A Other Parts Discussed in Thread: BQ24810 , , BQ24800 Tool/software: I’m looking to choose a battery charger IC that meets the following requirements within a single module: Capability to charge up to 4 cells (Battery Voltage…
    • Answered

  • [FAQ] BQ24810: BQ24810 Schematic Checklist

    Resolved
    Part Number: BQ24810 Other Parts Discussed in Thread: BQ24800 , BQ24780S Hello Everyone, Please refer to the schematic checklist for BQ24780s/BQ24800/BQ24810 BQ24780s_BQ24800_BQ24810SchematicChecklist.pdf Best Regards, Christian.
    • Resolved

  • BQ25630: Choosing the right IC for LI ion battery charging

    TI Thinks Resolved
    Part Number: BQ25630 Other Parts Discussed in Thread: BQ24800 Tool/software: Hi, Again, this post is not related to the BQ25630, but a general question – recommendation for IC charger controller for smart battery : Well after the project had some…
    • Answered

  • BQ24800EVM: Low power mode battery current consumption

    Resolved
    Part Number: BQ24800EVM Other Parts Discussed in Thread: BQ24800 Tool/software: Hi, I'm testing BQ24800EVM and trying to achieve lowest current consumption when only battery is connected. BQ24800 states that it should be possible to get 25-45 uA with…
    • Resolved

  • RE: BQ24780SEVM-583: Request for recommendation — CC–CV charger IC/component for 4×18650 cells in parallel (4P), each up to 1.5 A, with ENABLE pin and wide input range (up to 19.5 V)

    Hello Hieu, Yes, The BQ24810/BQ24780s/BQ24800 will all work for this project. Please see the data sheet and EVM userguide for more details. BQ24810: https://www.ti.com/product/BQ24810 BQ24810EVM: https://www.ti.com/tool/BQ24810EVM BQ24780s:…

  • BQ25730: Switching actions of FETS

    TI Thinks Resolved
    Part Number: BQ25730 Other Parts Discussed in Thread: BQ24800 Tool/software: We have been using bq25730 battery charger IC in our project, but while operating in buck mode all four MOSFET's are switching instead of Q1 & Q2 switching and Q3 off and Q4…

  • BQ25731: Can BQ25731 support supercapacitor backup function?

    TI Thinks Resolved
    Part Number: BQ25731 Other Parts Discussed in Thread: BQ24800 Tool/software: Hi Team, I have a function requirment for supercapacitor Backup(Power input is 12V,Device supply is also 12V,Supercapacitor is 5.5V),I want to know whether BQ25731 can support…

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