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  • BQ25731: Inquiry Regarding BQ25731 for a 3-Cell Battery System

    Resolved
    Part Number: BQ25731 Other Parts Discussed in Thread: BQ40Z50 Tool/software: Dear TI Team, We are designing a system that utilizes the BQ25731 with a 3-cell battery, which includes a built-in battery gauge. The device is expected to operate primarily…
    • Resolved

  • BQ25731: BQ25731 operation difficulties

    TI Thinks Resolved
    Part Number: BQ25731 Tool/software: Is an applications engineer available to discuss this LiPO4 battery charging IC. We have incorporated it into a new design. We are unable to get the chip to operate and charge a battery.

  • BQ25731: MSL2 BQ25731 was delivered, not listed on the data sheet

    TI Thinks Resolved
    Part Number: BQ25731 Tool/software: Dear Specialists, My customer is using BQ25731 and has a question. The BQ25731RSNR was delivered in a package containing a mixture of reels with two MSL markings (MSL1, MSL2). I would be grateful if you could…

  • BQ25731: Fuel gauge control

    TI Thinks Resolved
    Part Number: BQ25731 Other Parts Discussed in Thread: BQ25730 , BQ40Z50 Tool/software: Hi! I'm a student beginning in the world PCB design. During my internship I need to design a 1s7p battery charger. My choice landed on the BQ25730/31. To design…

  • 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…
    • Answered

  • BQ25731: May I know that the BQ25731 is a Charger IC that is used for both QC and PD?

    Resolved
    Part Number: BQ25731 Tool/software: Hi team, May I know that the BQ25731 is a Charger IC that is used for both QC and PD? Or what kind of stuff can be recommended? Thanks! BR, Jenny
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    • Answered

  • BQ25731: Behavior and configuration at startup with battery disconnected

    Resolved
    Part Number: BQ25731 Other Parts Discussed in Thread: TPS25751 Hello, I am working on a design where the BQ25731 can be used to charge our device's removeable battery (3S lithium ion). It will be supplied power via a TPS25751 USB-C PD controller. Our…
    • Resolved
    • Answered

  • BQ25731: MOSFETs protection

    Resolved
    Part Number: BQ25731 Tool/software: Hello, Texas Instruments team! The BQ2573x Evaluation Module (Rev. A) datasheet on page 19 shows a schematic where MOSFETs Q1, Q2, Q3 and Q4 do not have gate-to-source overvoltage protection. Can you please tell…
    • Resolved

  • BQ25731: with 20mOhm resistor

    TI Thinks Resolved
    Part Number: BQ25731 Tool/software: Hello, We'd like to increase the sense resistor on the BQ25731 to 20mohm. Is this possible? Or will RSNS_RAC and RSNS_RSR cause a problem? Thank you, Keith

  • BQ25731: MTBF Calculation

    TI Thinks Resolved
    Part Number: BQ25731 Tool/software: Hello, Could you please help us with MTBF / FIT calculations for BQ25731? We need to operate the IC junction near 125oC. Trying to understand the lifetime impact from this, versus operating at 85oC junction temp…

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