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  • How to set BQ77904 OVP (Overvoltage) point?

    Other Parts Discussed in Thread: BQ77904 Dear Sir: I saw BQ77904 datasheet and know Overvoltage programmable threshold range is 3.0V to 4.575V. For LiFePO4 battary, I would like to set OVP threshold point is 3.7V. But I can't find the way that how to set…
    • Answered

  • BQ77905: Pin FMA for 4S configuration

    Resolved
    Part Number: BQ77905 Other Parts Discussed in Thread: BQ77904 Hi there, I have a question concerning the Application Report "BQ77904, BQ77905 Functional Safety FIT Rate, FMD, and Pin FMA": On page 7 the open mode failures are described. Concerning…
    • Resolved
    • Answered

  • BQ77915: current state comparator does not operate

    Resolved
    Part Number: BQ77915 Other Parts Discussed in Thread: BQ77PL900 , BQ76940 , BQ77904 In our recent project we use bq7791506 . We are experienced on BMS control IC's of Texas Instruments. Previously we used different ICs for different projects such as …
    • Resolved

  • BQ77915: Any solution for UV and OCC fault as mentioned in "https://e2e.ti.com/support/power-management/f/196/t/713860"

    TI Thinks Resolved
    Part Number: BQ77915 Other Parts Discussed in Thread: BQ77904 HI, Can you suggest any solution for the problem mentioned in the thread " https://e2e.ti.com/support/power-management/f/196/t/713860"

  • RE: BQ40Z50-R3-DEVICE-FW: Schematic-Parts and additional questions

    Hi Nils, Unfortunately, the BQ2961 cannot support OVP below 3.85V. However, the BQ77904, BQ77905, BQ77915 can all support these specific settings. There is currently not an orderable part number with these specific settings, so a new device number would…
    • Answered

  • BQ77915: BMS for 2-4 Prismatic Cell

    Resolved
    Part Number: BQ77915 Other Parts Discussed in Thread: BQ77905 , BQ77904 , BQ2962 We are working on Low Voltage Lithium ion batteries, for example 12.8V/80AH batteries or 12.8V/40AH batteries. These batteries are LFP batteries, made from cylindrical…
    • Resolved
    • Answered

  • BQ76920: Using part without companion controller.

    Resolved
    Part Number: BQ76920 Other Parts Discussed in Thread: BQ24610 , BQ77904 , , TIDA-00449 , BQ4050 Hi, I was wondering if it is possible to use this part for cell balancing only. I want to use a BQ77904 for the per-cell OV and UV protection and a BQ24610 for…
    • Resolved

  • BQ76PL455A: Question about Certification

    Part Number: BQ76PL455A Other Parts Discussed in Thread: , BQ77904 , BQ77905 Hi Ti. I has some questions. I need 28S Battery AFE and I found BQ76PL455A and BQ76PL455A-Q1. Is these parts have below certifications? UL1973(Battery Pack Certi) UL991(H/W Ceriti…

  • BQ2970: External Current Sense Resistor

    Part Number: BQ2970 Other Parts Discussed in Thread: BQ77904 , BQ4050 Hello, I have a system with some odd requirements. I want to mod the typical circuit to do what I want. First off, I need to monitor a pre-built battery pack that has two cells in series…

  • BQ77905: I have questions about BQ77905

    Part Number: BQ77905 Other Parts Discussed in Thread: BQ77904 Hello I'm Jae Cheon. I hope to make BMS circuit that have function which provide safety protection on overvoltage, undervoltage, overdischarge, and overcharge. So I was searching IC, and…

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