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  • BQ27421-G1: The measurement of cell temperature

    Resolved
    Part Number: BQ27421-G1 Other Parts Discussed in Thread: BQ27427 , BQ27Z561-R1 Hi BU expert, I have one question about bq27421-G1: How the bq27421-G1 measure the temperature of cell? I cannot fine the TS pin in bq27421-G1. I don't know why the cell…
    • Resolved
    • Answered

  • BQ25629: BQ25629 Custom PCB: False I2C response

    Resolved
    Part Number: BQ25629 Other Parts Discussed in Thread: BQ27427 , LP5813 , Hi, We have a custom PCB which follows a similar schematic in the EVM board mentioned in this: https://www.ti.com/lit/ug/sluucq9/sluucq9.pdf?ts=1705993731348 Current status of…
    • Resolved

  • BQ27426: Gauge state while not insert battery but BIE is set and BIN is connected with GND

    Part Number: BQ27426 Other Parts Discussed in Thread: BQ27427 Hello On the BQ27427, if the BIN pin is connected to GND and the BIE is set to 1, will the Fuelgauge have an exception if the battery is not inserted? What operating mode will it be in?
    • Answered

  • BQ27441-G1: Similar Alternative part with temperature monitoring

    Resolved
    Part Number: BQ27441-G1 Other Parts Discussed in Thread: BQ27427 , BQ27Z746 , BQ27Z558 , BQ27426 Tool/software: Hi All, Currently trying to add a fuel gauge to a design for accurate battery health monitoring. I have started some dev work using the…
    • Resolved
    • Answered

  • BQ27427EVM: not supported in bqStudio?

    Resolved
    Part Number: BQ27427EVM Other Parts Discussed in Thread: BQ27427 , BQSTUDIO , BQ27320 , EV2400 I want to test the BQ27427 (EVM) using the bqStudio, but it looks like it is not supported in software yet. Did I miss something? How can we use/evaluate this…
    • Resolved
    • Answered

  • BQ27441EVM-G1A: Corrupt State of Charge during polling and high load changes

    Resolved
    Part Number: BQ27441EVM-G1A Other Parts Discussed in Thread: BQSTUDIO , GPCCHEM , BQ27426 , BQ27427 Using the bqStdio to poll the BQ27441 we observed large jumps in State of Charge during periods of load changes. One was from 57% to 43% and the other…
    • Resolved
    • Answered

  • BQ27427EVM: configuration and usage

    Resolved
    Part Number: BQ27427EVM Other Parts Discussed in Thread: BQ27427 , BQ27426 , BQSTUDIO We are evaluating the BQ27427 for our product and I am currently developing a firmware driver for it. Using the technical reference manual ( www.ti.com/.../sluucd5…
    • Resolved

  • BQ27510EVM: Part is obsolete and I am looking at several replacements

    Part Number: BQ27510EVM Other Parts Discussed in Thread: BQ27426 , BQ27510 , BQ27Z558 , BQ27427 , GPCCHEM First is there a minimal change option? If not is there an easy way to compare the features of this chip against the following: BQ27Z588 BQ27441DRZE…
    • Answered

  • RE: BQ27520-G4: Use of thermistors other than 103AT-2 type

    Resolved
    Sorry, I found the answer for a device other than the BQ25720. BQ27427: How to set NTC temperature compensation parameters - Power management forum - Power management - TI E2E support forums BQ40z50 Thermistor Coefficients - Power management forum…

  • BQ27427EVM: BqStudio does not detect the end of charge in the learning cycle

    TI Thinks Resolved
    Part Number: BQ27427EVM Other Parts Discussed in Thread: BQ25170EVM , BQ27427 , GPCCHEM , BQSTUDIO Hello, I am doing a learning cycle to a Li-ion battery with the aid of the BQ27427EVM. This battery has a capacity of 250mAh, a nominal voltage of 3.7V…

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