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Showing 214 results View by: Thread Post Sort by
  • Shani Ravaliya
    Shani Ravaliya
    • 4 months ago
    • Power management
    • Power management forum

    BQ27441-G1: BQ27441-G1

    TI Thinks Resolved
    Part Number: BQ27441-G1 Hi Team, We are using part BQ27441DRZ*-G1B for one of the wearable device and need to do battery characterization but while installing BQstudio we have seen lot of targets, now which target we need to select can you pls help me...
  • Abhi Choksi
    Abhi Choksi
    • 1 month ago
    • Power management
    • Power management forum

    BQ27441-G1: Can we use this part for real time battery monitoring for our application

    TI Thinks Resolved
    Part Number: BQ27441-G1 We have an application where we have made Wireless Gateway. This gateway is powered by two different supply (1)External 5V-24V supply (2)LI-ION Battery. Normally Board runs on external power supply when its available and charges...
  • Wyatt Keller
    Wyatt Keller
    • 1 month ago
    • Power management
    • Power management forum

    RE: BQ27441-G1: Parsing Golden image if bq27441G1

    Hello Mehdi, The Gauge Communication app note is what is used to flash the gauges using flash stream files which can be used to program the gauge. All the example code is at the end of the app note. Sincerely, Wyatt Keller
  • Alex Chapoulie
    Alex Chapoulie
    • 2 months ago
    • Power management
    • Power management forum

    BQ27441-G1: Charge capacity (Full and Remaining) Sudden drop

    TI Thinks Resolved
    Part Number: BQ27441-G1 Hello Support Team, We use LiPo batteries (3.7V 2000mAh) in some of our products which are designed to run a long time on battery without the need to be recharged. The battery is combined with a TI BQ24295RGE Battery Charger...
  • Marcelino Camacho Paz
    Marcelino Camacho Paz
    • 3 months ago
    • Power management
    • Power management forum

    BQ27441-G1: Update Qmax Cell 0 and Ra 0

    TI Thinks Resolved
    Part Number: BQ27441-G1 Hi, After a learning cycle Qmax Cell 0 and Ra table are saved into MCU EEPROM. I'm trying to write those Qmax and Ra values into BQ27441. Qmax are not written properly; I mean, if I write, for example, 0x5000, then I read...
  • Wyatt Keller
    Wyatt Keller
    • 1 month ago
    • Power management
    • Power management forum

    RE: BQ27441-G1: BQ27441-G1B Fuel gauge calibration

    Hello Shani, We set it to a default value to reduce the chance of false readings over time. I would keep it at some value higher than 0mA, but it may require testing to make sure you get good readings when 0mA or low current is flowing. Sincerely...
  • Wyatt Keller
    Wyatt Keller
    • 2 months ago
    • Power management
    • Power management forum

    RE: BQ27441-G1: BQ27441-G1B Fuel gauge calibration

    Hello Shani, The gauge ignores current values between -5mA and 5mA by default (deadband current) Also the current resolution is always reported as 1mA increments. You will need to change the deadband current and test to make sure of accuracy. Sincerely...
  • Don Weier
    Don Weier
    • 3 months ago
    • Power management
    • Power management forum

    BQ27441-G1: Problem reading checksum

    TI Thinks Resolved
    Part Number: BQ27441-G1 I'm writing a set of c functions that can interface with the fuel gauge part and ran into some undocumented behavior I'd like some clarification on. I followed the flow chart in figure 1 of the document SLUUAP7 (attached...
  • TISL
    TISL
    • 4 months ago
    • Power management
    • Power management forum

    BQ27441-G1: SoC oscillation during discharge

    TI Thinks Resolved
    Part Number: BQ27441-G1 Dear e2e support, My customer uses our gauge with a 2400mAh (small) battery and everything works as expected. But using a 5200mAh (big) battery, the SoC during the discharge cycle, is oscillating (I can share some graph in...
  • Abhishek Pratap Singh
    Abhishek Pratap Singh
    • 4 months ago
    • Power management
    • Power management forum

    BQ27441-G1: Not able to read Average current for fuel gauge

    TI Thinks Resolved
    Part Number: BQ27441-G1 Hi, I am using BQ27441-G1 fuel gauge in my system. I want to check voltage and current reading at regular interval. According to data sheet https://www.ti.com/lit/ug/sluuac9a/sluuac9a.pdf?ts=1592730259853&ref_url=https%253A...
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