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  • BQ27220: BQ27220

    TI Thinks Resolved
    Part Number: BQ27220 Other Parts Discussed in Thread: BQSTUDIO Tool/software: Hello, I'm trying to configure BQ27220 with CC Delta value. Algorithm is following: 1. Put BQ27220 to config update mode according to 6.1 Data Memory Parameter Update Example…

  • BQ27220: Register Update Issue with bq27220

    TI Thinks Resolved
    Part Number: BQ27220 Other Parts Discussed in Thread: BQSTUDIO Tool/software: We are calibrating bq27220 gauge IC. I am experiencing an issue where Design Capacity and Full Charge Capacity values are updating in registers 0x929D and 0x929F, but not reflecting…

  • BQ27220: Using SOC_INT / GPOUT signal on BQ27220

    Part Number: BQ27220 Other Parts Discussed in Thread: BQSTUDIO Tool/software: I am trying to trigger OCV_CMD on BQ27220 over I2C bus and I configured Operation Config B for INT_POL and INT_OCV / INT_FOCV to be enabled so that I can see the GPOUT signal…

  • BQ27220: How BQ27220 can be commanded to come out of SHUTDOWN

    TI Thinks Resolved
    Part Number: BQ27220 Tool/software: In our design, we are using the BQ27220 as a fuel gauge, and the GPOUT pin is connected to the host through a 10k pull-up resistor (as per the datasheet). I need to know how the BQ27220 can be commanded to come out…
    • Answered

  • BQ27220: Inquiry for comparison between BQ28Z610-R1 and BQ27220 and BQ27Z746

    Resolved
    Part Number: BQ27220 Other Parts Discussed in Thread: BQ28Z610-R1 , , BQ27Z746 , BQ27546-G1 , BQ27Z558 , BQ27Z561-R2 Tool/software: Hi, TI expert. The customer is currently using BQ28Z610-R1 for the Battery Pack PCM of the PDA. Currently looking at BQ27220…
    • Resolved
    • Answered

  • BQ27220: Can the gauge run in UNSEALED or UNSEALED FULL ACCESS MODE ??

    Resolved
    Part Number: BQ27220 Tool/software: In the specifications it's told that gauge shall be turned to SEALED in final end product. That is means that the gauge cannot work properly with CEDV model if not in SEALED mode ?
    • Resolved

  • BQ27220: OCVGD,OCVFAIL and OCVCOMP fields never changing when reading in battery status flags

    TI Thinks Resolved
    Part Number: BQ27220 Tool/software: When I read the battery status register I can see the OCV_GOOD and OCV_COMP indicators are always 1 and are never going low, as if there was no new OCV request during gauge runtime Sleep cycle period is configured…

  • 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.ym our dts is: bat: battery…

  • BQ27220: Calibration of gauge when using a different sense resistor

    Part Number: BQ27220 Other Parts Discussed in Thread: BQSTUDIO Tool/software: I am "playing" with the BQ27220 for a new product we are working on in our company and these days trying to calibrate it with the BQ27220EVM744. The bqStudio tool…

  • BQ27220: BQ27220 cannot be unseal using bqstudio

    TI Thinks Resolved
    Part Number: BQ27220 Tool/software: Hi TI team BQ27220 cannot be unseal using the I2C command, but it can be unseal using the button on the right. Here's why.

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