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    Answered

  • RE: BQ40Z50: Issues on Board

    Resolved
    Hi Nick, I will try but the TI bq40z50EVM-561 worked with the power supply. With the same firmware it charged at about ~0.9A. Thanks, David
    • Answered

  • RE: BQ77908A: Cell balancing for LiFePo4 (4s)

    Resolved
    Hi Luis, We have now ordered the Texas Instruments BQ4050 Development Kit , which I just noticed has a slightly different part number (BQ4050 instead of the BQ40z50, i.e. this one BQ40Z50EVM-561 ). Could you please let me know what is the difference…

  • USB-PD-CHG-EVM-01: Configuration Not Working as Sink

    Part Number: USB-PD-CHG-EVM-01 Other Parts Discussed in Thread: BQ40Z50EVM-561 , TPS25750 , Hello, I'm trying to prove out USB-PD for use in our product. I currently have a battery pack attached to a BQ40Z50EVM-561, and the output power from that…

  • BQ40Z50-R2: functionalaties ,reference code

    TI Thinks Resolved
    Part Number: BQ40Z50-R2 Other Parts Discussed in Thread: BQ40Z50EVM-561 if it is possible to have 2 types of press: short press and long press by doing some change in the code or by modifing something in the dev tools to the chip? Short press(1sencond…
    • Answered

  • BQ40Z50-R2: bq40z50-R2 gauge is preventing my batteries from charging/discharging

    Resolved
    Part Number: BQ40Z50-R2 Other Parts Discussed in Thread: BQ40Z50EVM-561 , , BQ24770EVM-540 , BQSTUDIO , BQ24770 I am developing an NVDC battery system using the bq40z50-R2 gauge. My evaluation system is depicted in the attached diagram. I have confirmed…
    • Resolved

  • RE: BQ40Z50: offset calibration

    Hi Brian, It is unusual to have an offset current of 10mA. Do you see similar results when using the TI evaluation board? www.ti.com/.../BQ40Z50EVM-561 Switching in/out the TI evaluation board will help isolate the reason for the offset. We have…
    • Answered

  • BQ24770EVM-540: Can't get bq24770EVM-540 to charge or discharge my battery.

    Resolved
    Part Number: BQ24770EVM-540 Other Parts Discussed in Thread: BQ24770 , BQ40Z50EVM-561 , BQSTUDIO , BQ40Z50-R2 , EV2400 , BQ40Z50 Angelo, Batt, and all, Please read the attached document and see the diagram, photo and screenshots. I need help in getting…
    • Resolved

  • RE: BQ40Z50: BQ40Z50RSMR-R2

    Hi Wyatt, I followed your instruction and been to the website https://www.ti.com/tool/GPCCHEM I have both the TI bq40z50EVM-561 and TI bqStudio softwre. And I am trying to test a pack of four batteries. But my batteries are not in the list of…
    • Answered

  • BQ4050EVM-561: bqStudio (version 1.3.54.1) doesn't recognize my device

    Resolved
    Part Number: BQ4050EVM-561 Other Parts Discussed in Thread: BQSTUDIO , BQ40Z50 , BQ40Z50EVM-561 , BQ40Z50-R2 I started bqStudio (version 1.3.54.1, the latest version), selected "Gauge", found both 4500_0_12-bq40z50 and 4500_1_06-bq40z50R1 in the list…
    • Resolved

  • BQ40Z50-R1: after sent 0x30 command,Disconnect the battery and reconnect,It becomes unseal state

    TI Thinks Resolved
    Part Number: BQ40Z50-R1 Other Parts Discussed in Thread: BQ40Z50EVM-561 , Dear All: I test the BQ40z50EVM-561,after sent 0x30 command,the SEC1 and SEC0 is set 1,when Disconnect the battery and reconnect,It becomes unseal state,the SEC1 is set 1 and…

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