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  • BQ27220: Remaining capacity is changing too slow.

    Part Number: BQ27220 Other Parts Discussed in Thread: BQSTUDIO , GPCCEDV , EV2400 Tool/software: Hello, We are using BQ27220 to Monitor the SoC (State of Charge) and Voltage of 900 mAh battery, based on the battery specifications and the technical…

  • BQ27220: List of mandatory parameters for golden image

    Part Number: BQ27220 Tool/software: Hi, I recently got the CEDV parameters (DODx 11 points parameters and EFM, C0, T... parameters file) from TI online tool and now I need to setup the list of parameters that must be put in data memory at system powerup…

  • BQ27220: How can I read battery percentage from BQ27220 when connected with 9000mAH.

    Part Number: BQ27220 Other Parts Discussed in Thread: GPCCEDV , BQ25792 Hello Ti, 1) I am connecting 9000mAh (2P battery of each 4500mAH) battery to Bq27220, I am getting Full charge capacity 3000mAh, how can I change it. 2) How can I read battery…

  • BQ27220: Please review the schematic

    TI Thinks Resolved
    Part Number: BQ27220 Tool/software: Dear TI experts, My customer drew their first schematic with BQ27220. Could you review this schematic? (10K pullups on I2C lines are attached in the other side.) Please let me know if there are any suggestions…

  • BQ27220: Wrong values read with linux kernel driver

    Part Number: BQ27220 Other Parts Discussed in Thread: BQSTUDIO Tool/software: Hello, we are using this driver https://git.ti.com/cgit/ti-linux-kernel/ti-linux-kernel/tree/drivers/power/supply/bq27xxx_battery.c?h=ti-linux-6.1.y m our dts is: bat: battery…

  • BQ27220: Communication not working

    Part Number: BQ27220 Other Parts Discussed in Thread: EV2400 , BQSTUDIO Tool/software: The communication to this IC via I2C seems to not give a valid response when reading. Both the datasheet and technical reference manual were referenced for this communication…
    • Answered

  • BQ27220: GPC Deviation Error

    Resolved
    Part Number: BQ27220 Tool/software: When using the GPC I am getting deviation errors, but am unsure what is causing it? I created 2 data sets, raw and filtered. The filtered data set has a low pass filter applied as the power in our system oscillated…
    • Resolved

  • BQ27220: VDQ=0

    Part Number: BQ27220 Other Parts Discussed in Thread: GPCCEDV Tool/software: Hello sir, I have a 2-cell 3.6-4.2V lithium battery parallel power supply handheld device, for some reason set 3.74V on low power shutdown, now the application BQ27220 measure…

  • BQ27220: Set new values for 150mR shunt resistor reading exported gm.fs file

    TI Thinks Resolved
    Part Number: BQ27220 Other Parts Discussed in Thread: BQSTUDIO Tool/software: Hi E2E Experts! I have BQ27220 fuel gauge and I am carrying out the calibaration procedure using bqstudio as well. I am trying to set new values of current parameters for…
    • Answered

  • BQ27220: Li-Polymer compatibility

    Resolved
    Part Number: BQ27220 Tool/software: Hi I opened this ticket to make you a question about BQ27220. In the datasheet is described as Single-Cell Li-Ion battery fuel gauge we need to use it in an audio portable device witch use a 1500mAh Li-Polymer battery…
    • Resolved

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