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  • BQ40Z50-R2: BQStudio support for the -R4

    TI Thinks Resolved
    Part Number: BQ40Z50-R2 Other Parts Discussed in Thread: BQSTUDIO Gauge team, Which version of BQStudio supports BQ40Z50-R4? Stable, Test, or something else? Is there an additional file that needs to be downloaded and installed? This GPN exists, but…

  • BQ40Z50-R2: BQ40Z50/BQ4050 – Can unused TS pins be left floating?

    TI Thinks Resolved
    Part Number: BQ40Z50-R2 Other Parts Discussed in Thread: BQ40Z50 , BQ4050 Hi TI Team, I’m using the BQ4050/BQ40Z50 in a space-constrained design, and I have a question regarding the TS pins. If a TS pin is not used, can it be left floating? Due to…

  • BQ40Z50-R2: CHG FET Oscillation

    Part Number: BQ40Z50-R2 Other Parts Discussed in Thread: BQ40Z50 Hi Support, We have an application using the bq40z50 and have found that while the CHG FET turns off when charging completes, it turns on again unexpectedly within seconds. The load…

  • BQ40Z50-R2: BQ40Z50-R2 wrong capacity measured with calibrated gauge

    TI Thinks Resolved
    Part Number: BQ40Z50-R2 Other Parts Discussed in Thread: BQ40Z50 Tool/software: Dear TI Team, im using a 4s2p battery pack with the BQ40Z50 R2 with the R5 FW. The Chemistry was provided by the Pack manufacturer: 2851 cell is Panasonic NCA653864SA 2400mAh…
    • Answered

  • BQ40Z50-R2: BQ40Z50-R2 with BQ Studio

    Resolved
    Part Number: BQ40Z50-R2 Tool/software: Hello, I want to create a golden imae from a BQ40Z50-R2 Gauge. To communicate with this im using the Battery Management Studio 1.3.127 Build 3 TEST sice the Standard supports just the R1 version.... How ever…
    • Resolved

  • BQ40Z50-R2: Can not use TI ThumBus2300 to connect to the chip

    Part Number: BQ40Z50-R2 Hi, I am trying to use a TI ThumBus2300 to connect to the board designed based on BQ40Z50-R2. When I connect the ThumBus to USB port, It is detected as unknown device on my windows 11. I appreciate if you help me to download…

  • BQ40Z50-R2: Sense Resistor Connected to CHGND

    TI Thinks Resolved
    Part Number: BQ40Z50-R2 Hello E2E Experts, From my understanding the SRP and SRN pins are used to measure the battery current by measuring the voltage across the sense resistor (R28). I was wondering why the current being measure by the sense resistor…

  • BQ40Z50-R2: SMBUS COMMUNICATION ISSUE

    Part Number: BQ40Z50-R2 Other Parts Discussed in Thread: BQSTUDIO , EV2400 We are currently working on the BQ40Z50R2 device, but we are getting an error during SMBus communication. It is a new gauge, and no programming has been done on it yet. Still,…

  • BQ40Z50-R2: BQ40Z50 tWAKE test conditions

    Part Number: BQ40Z50-R2 Tool/software: Hi TI team, Please let me know what tWAKE test conditions. How do you confirm the test conditions: 250, 500, 1000, and 512? thanks! Regards, Peter

  • BQ40Z50-R2: SOC tolerance

    TI Thinks Resolved
    Part Number: BQ40Z50-R2 Tool/software: Dear Ti expert, Can you provide the SOC tolerance for BQ40Z50-R2? I can't find it in the technical reference or data sheet.

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