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  • BQ76940: Is bq76940 compatible bq79600

    Resolved
    Part Number: BQ76940 Other Parts Discussed in Thread: BQ79616-Q1 , BQ78350-R1A , BQ76952 Hi Sir/Madam Is BQ79600 compatible with BQ76940? If answer is not ok, Could you suggest IC P/N which uses in BMU compatible with BQ76940 for energy storage systems…
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  • RE: BQ76940: Bq76940 ntc measurement is wrong at startup

    Hi Matt, I want to ask another question. Could you help me for this issue? Is BQ79600 compatible with BQ76940? If answer is not ok, Could you suggest IC P/N which uses in BMU compatible with BQ76940 for energy storage systems? Thanks for support, Regards…

  • BQ76940: BQ76940

    TI Thinks Resolved
    Part Number: BQ76940 Other Parts Discussed in Thread: BQ76930 Hi everyone, I'm a hardware engineer and I from Viet Nam. I am following a BMS project management 20 cells pin and I am using BQ76940 IC. I read reference design BQ76930 of TI. I saw ALERT…

  • RE: BQ76940: BQ76940: PROBLEM OF CELL VOLTAGE

    Hello Bao, Your schematic looks okay to me, at a first glance. PROTECTION1/2/3 look fine to me too. Looking at your schematic I see eight 2-mOhm resistors in parallel, for an equivalent resistance of 0.25-mOhm. At 4-A of load current applied, this would…

  • BQ76940: CC Reading of bq76940

    TI Thinks Resolved
    Part Number: BQ76940 Hi, The CC fresh data is updated every 250 ms, and triggering of alert signal of CC Ready. If the current is set to 2 Apm for instance, what data i will expect when i read coulomb conuter in between two CC Ready signals severals…

  • BQ76940: Current sense accuracy

    TI Thinks Resolved
    Part Number: BQ76940 Hi there, I am trying to determine the accuracy to expect on the current shunt. I estimated it using the errors (offset) ect listed in the datasheet, and the % and PPM/C of the shunt, but am measuring slightly worse error in real…

  • BQ76940: bq76940, cell voltage deviation

    Part Number: BQ76940 Other Parts Discussed in Thread: TIDA-010030 , TIDA-01093 Hi, My 11 cell voltages reading from bq76940 and the measured by multimeter comparison From above you can see the first cell voltage deviation is too large, Below i inse…
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  • BQ76940: bq76940 alert signal to interrupt MCU input line

    Resolved
    Part Number: BQ76940 Hi, The design of my firmware to handle reading of battery data is highly relied on the alert signal which could be triggered by CC_READY, or fault of bqOV, bqUV, bqSCD, bqOCD etc.. Detection of triggering of the signal is handled in…
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    • Answered

  • BQ76940:Voltage monitoring and balancing operation of BQ76940

    Resolved
    Part Number: BQ76940 Other Parts Discussed in Thread: BQ76930 質問1: 電圧監視中にVC0-VC15端子の入力インピーダンスがどのように変化するかを教えてください。各端子からの入力信号は、IC内でスイッチングして14ビットADコンバータに入力すると仮定します。VC0-VC15端子(電極)の入力抵抗の概値はいくつですか?入力抵抗は内部信号のスイッチングの影響を受けますか?それとも、各端末で常に一定ですか? ADコンバータの入力抵抗は5KΩの場合があります…
    • Resolved
    • Answered

  • BQ76940: bq76940 alert active, the supply current

    Resolved
    Part Number: BQ76940 Hi, In the manu at 8.5 Electrical Characteristics, under LEAKAGE AND OFFSET CURRENT, The dIALERT, I interpret it as the supply current will increase by 15 - 25 uA while the ALERT pin is active. Am i reght? Regard.
    • Resolved

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