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  • BQ25910: Looking for advice on control principles of the BQ25910 device

    Resolved
    Part Number: BQ25910 Hi TI, I am investigating the usage of BQ25910. I am curious about the control principles. Here are my two questions. 1. In the datasheet of BQ25910, it is stated that the device is operated for a fixed frequency. "The fixed frequency…
    • Resolved

  • BQ25910: what is the role of 'IND_SNS'?

    TI Thinks Resolved
    Part Number: BQ25910 Hello charger team, one question from guiding reference schematic of BQ25910, need to clarify the purpose of 'IND_SNS' pin. I guess it would work for Vout sensing to adjust PWM switching. but in actual, this charger regulates…

  • BQ25910: Question about BQ25910 register default value

    TI Thinks Resolved
    Part Number: BQ25910 Hi Team, Could you please confirm that what is the default value for the EN_CHG? I observed that there is 0h for '3' on the headline, is it means that the default value for EN_CHG is disable? Thank you. Sincerely Frank …

  • BQ25910: caux of bq25910

    TI Thinks Resolved
    Part Number: BQ25910 Hello , Ti experts: I have question toward the caux of the bq25910, I know this cap need to be precharged to the 1/2 vin voltage but not detail, could you give me a brief block diagram to illustrate the this caux function in the 3…

  • BQ25910EVM-854: Inaccurate charging current of BQ25910

    Part Number: BQ25910EVM-854 Other Parts Discussed in Thread: BQ25910 , BQ25898 Hi Team, Now I am conducting test on BQ25910EVM-854, finding the measured charging current could not match set value on GUI. The platform is BQ25910EVM-854 with 5Vin and 5A…

  • BQ25910: BATP/BATN: The kelvin connections to the battery can be made via a 100-Ω resistor

    TI Thinks Resolved
    Part Number: BQ25910 Hi TI team, In page 20 of BQ25910 datasheet, it says "The kelvin connections to the battery can be made via a 100-Ω resistor". The 100Ω resistor is needed or not? Why? Thanks! BR Eleven
    • Answered

  • BQ25910: Proprietary and legacy adapters "fast charge" compatibility

    Resolved
    Part Number: BQ25910 Other Parts Discussed in Thread: TPS25750 , BQ25792 Hi we are currently developing a device and we are interested in the BQ25910 IC. Our needs are: "fast charging" for 1 cell (3 parallel) 18650 Li Ion batteries (preferably 3.5-4.5A…
    • Resolved
    • Answered

  • BQ25910: charging / discharging 3x 2P battery packs in parallel

    Resolved
    Part Number: BQ25910 Other Parts Discussed in Thread: BQ25306 Hello, we are facing the challenge to use 3x 2p battery packs in parallel to extend the battery capacity. Each 2P LiIon pack has 5200mAh capacity and 2500mA max charging current. The packs…
    • Resolved
    • Answered

  • BQ25910: Why the efficiency of charge pump(BQ25970)>3- level buck(BQ25910)>2-level buck(BQ25890H)

    Resolved
    Part Number: BQ25910 Other Parts Discussed in Thread: BQ25970 , , BQ25890H Hi, As I know, the efficiency of BQ25970>BQ25910>BQ25890H, why the equation occur? Could you please explain the difference among charge pump, 3-level buck and 2-level buck…
    • Resolved

  • BQ25910: Question about BATP/BATN resistor config

    TI Thinks Resolved
    Part Number: BQ25910 Could R1208 and R1209 be replaced by the PCB copper trace?

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