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  • BQ76905: Battery monitoring IC for 1-cell coin battery

    TI Thinks Resolved
    Part Number: BQ76905 Tool/software: Hi, I am looking for a battery monitoring IC for a 1-cell coin battery (LIR1620). https://www.powerstream.com/p/Lir1620.pdf The load current of the system is only about 0.1mA, so I am concerned about whether there…

  • BQ76905: NTC vs ADC

    TI Thinks Resolved
    Part Number: BQ76905 Other Parts Discussed in Thread: BQ25756E Hi Team, What are the pros and cons of NTC vs ADC (pin 8)? Most of the documentation simply says, if NTC is not used, then the ADC is used. The eval board, tech reference, datasheet…

  • BQ76905: looking for clarification on external temperature reading

    Part Number: BQ76905 Other Parts Discussed in Thread: BQSTUDIO Tool/software: I'm not understanding the data sheet regarding reading the temperature of the external thermistor . It seems that if you want to connect a thermistor to the TS pin the thermistor…

  • BQ76905: REGOUT Config default setting

    Part Number: BQ76905 Dear all, Could you pls check the information of REGOUT Config default setting in the datasheet? It showed 0x08, but the default setting is 0x06

  • BQ76905: Writing COV Protection Threshold

    Part Number: BQ76905 Hello, We are trying to write a value of 4201 (mV) into the Cell Overvoltage Protection Threshold (register 0x9032). When we then read the register, it reports 4200 mV. We are commanding the BQ76905 to enter CONFIG_UPDATE mode…

  • BQ25171-Q1: Query Regarding Necessity of BQ76905 Battery Balancer in BQ25171-Q1 Design with Two 18650 Lithium-Ion Batteries in Series

    Part Number: BQ25171-Q1 Other Parts Discussed in Thread: BQ76905 , I'm attempting to utilize the BQ25171-Q1. I intend to connect two 18650 lithium-ion batteries in series. Depending on the operational scenario, my design draws up to 1A from the battery…

  • TIDA-010268: S/W reference code for SoC calculations

    Part Number: TIDA-010268 Other Parts Discussed in Thread: BQ76905 , Tool/software: Hello experts, My customer is interested in our BQ76905 and hopes to do SoC calculations. My understanding is that we can use BQ76905 + MCU to do SoC calculation on…

  • MSPM0L1306: Geetting wrong Cell1 Voltage for 4S or 5S

    Part Number: MSPM0L1306 Other Parts Discussed in Thread: BQ76905 , Hello, I have custom board with MSPM0L1306 and BQ76905 and using sample code i am getting below debug for 5 cell, Cell1 Voltage Register = 2293 mV Cell2 Voltage Register = 3779 mV…

  • BQ76925: Please help to suggest a monitor that supports 4 Primary battery cells

    TI Thinks Resolved
    Part Number: BQ76925 Other Parts Discussed in Thread: BQ76905 Tool/software: Hi team, My customer wants to have a battery monitor to monitor every cell's voltage. And the battery is Primary battery. Cylindrical Primary Lithium 1.5V for a battery.…

  • BQ24630: Charging Issue for 4-Series LiFePO4 Battery Pack

    Part Number: BQ24630 Other Parts Discussed in Thread: BQ76905 , Tool/software: Dear all, I would like to describe my issue: I'm using the BQ24630 to charge a 4 - series cell (Lithium Werks 18650 1100mAh 30A LiFePO4), combined with a BQ76905 for…

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