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  • BQ25731: Battery charge controller IC

    TI Thinks Resolved
    Part Number: BQ25731 Tool/software: We are using BQ25731RSNR battery charge control IC from TI to charge 12V, 7A Lead acid battery. We need support on the following: Does BQ25731RSNR support the Lead acid battery. Please find the below image for…
    • Answered

  • BQ25731: BQ25731 ChargeCurrent Start Up Behavior

    Resolved
    Part Number: BQ25731 Other Parts Discussed in Thread: BQ25730 Hello, I'm attempting to create a design using the BQ25731 Battery Charge Controller paired with TPS25750D USB PD controller. The TPS25750D is configured in AlwaysEnableSink Dead Battery…
    • Resolved
    • Answered

  • BQ25731: Behavior Without Battery Connected

    Resolved
    Part Number: BQ25731 Other Parts Discussed in Thread: BQ76922 , , BQ25730 Tool/software: Good day, I would like to include a charging circuit for 4S Li-Ion batteries in our new powerboard design. For this purpose I had the BQ25731 as the charging…
    • Resolved

  • BQ25731: About power supply for USB PD without a battery.

    TI Thinks Resolved
    Part Number: BQ25731 Other Parts Discussed in Thread: TPS25751 , Tool/software: Hi team, I am trying to setup a USBPD system using TPS25751. However, TPS25751 can not support external DCDC. So, I'd like to use BQ25731 that can be configured for 30W output…
    • Answered

  • BQ25731: Solution Suggestion

    Resolved
    Part Number: BQ25731 Other Parts Discussed in Thread: PMP22805 , Tool/software: Hi expert, Customer is looking for charger with below requirements; 1. input voltage: 12-16V 2. 3cell battery, 12.45Vmax, 5A CC max 3. need I2C 4. need status output…
    • Resolved

  • BQ25731: UPS POWER IC

    TI Thinks Resolved
    Part Number: BQ25731 Other Parts Discussed in Thread: , EV2400 , BQSTUDIO Tool/software: Subject: Issues with Battery Charging Control, Status Updates, Battery Voltage , and I2C Communication for BQ25731 I am currently facing several issues while working…
    • Answered

  • TPS25751EVM: TPS25751 + BQ25731, PPS and reading out TPS25751 status

    Resolved
    Part Number: TPS25751EVM Other Parts Discussed in Thread: BQ25731EVM , TPS25751 Tool/software: I am evaluating TPS25751EVM + BQ25731EVM as an autonomous charging solution for a product design. I would like to use the following features: 2 cell battery…
    • Resolved
    • Answered

  • BQ25731: Multi chemistry not mentioned on datasheet

    Resolved
    Part Number: BQ25731 Other Parts Discussed in Thread: BQ25703A Tool/software: Hi Team, Under BQ25731 product folder features, it mentions support multiple cell chemistry but this information is missing on the datasheet. Customer needs this USB charger…
    • Resolved
    • Answered

  • BQ25731: ADCIBAT and ADCIIN always 0

    Resolved
    Part Number: BQ25731 Tool/software: Hello, I`d did my project based in TIDMAR6, and I`m facing some problem to get ADCIBAT, ADCIIN and to limit current. ADCIBAT and ADCIIN register always came 0 frorm i2c get, I`m metering 720mA using a multimeter.…
    • Resolved

  • BQ25731: BQ25731 design review for motor-driven 5S1P Li-polymer application

    TI Thinks Resolved
    Part Number: BQ25731 Other Parts Discussed in Thread: BQ25730 Dear Madam/Sir, I would like to have your eye on the design review (on PDF page 11) (P9DF page 8 is power tree) One more question, could I direct output Vsys to PMSM Motor (24V)? rectangle…

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