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  • BQ40Z50-DEVICE-FW: Capacity gain update mechanism and how to use it

    TI Thinks Resolved
    Part Number: BQ40Z50-DEVICE-FW Hi, I would like to ask about the Capacity gain update mechanism and how to use it. 1. What are the renewal criteria for Capacity gain? Our customer found that some battery's Capacity gain was updated to 0.5, while CC gain…

  • BQ40Z50-DEVICE-FW: How to access Battery_Mode register of BQ40z50 R3?

    TI Thinks Resolved
    Part Number: BQ40Z50-DEVICE-FW Other Parts Discussed in Thread: BQSTUDIO Hi, How to access the battery_mode register to change the capacity mode and charger mode? regards.

  • RE: BQ40Z50: BQ40Z50 Device type

    Hello Kim, It is possible that the hardware version that is returned is changed by the firmware. The value is typically used for traceability on the TI end. The ICs are separate orderable part numbers that come pre-programmed with the specific firmware…

  • BQ40Z50-DEVICE-FW: R4: Voltage-Based Balancing when Relaxed not working

    TI Thinks Resolved
    Part Number: BQ40Z50-DEVICE-FW Hi We are trying out the Voltgae-Based Balancing for our 4S1P LFP battery, since the normal balancing algorithm was unbalancing our cells, rather than balacing. The voltage-based balancing during charging seems to work,…
    • Answered

  • BQ78350-DEVICE-FW: 1.04 Firmware problem

    Resolved
    Part Number: BQ78350-DEVICE-FW Other Parts Discussed in Thread: BQSTUDIO , BQ78350-R1A , BQ78350 Hi Experts, We need your assistance with this inquiry. I'm posting this on behalf of our customer. I download the latest firmware from BQ78350-DEVICE-FW Support…
    • Resolved

  • BQ78350-R2-DEVICE-FW: EC3-EC0 shows 0x7

    Part Number: BQ78350-R2-DEVICE-FW Hello Sir: We have three questions about BQ78350-R2. 1. We want to know that the EC3-EC0 bits of batterystatus display 0x07, UnknownError. What's the meaning? Why does the device have this message? 2. What conditions…

  • BQ27Z746-DEVICE-FW: Using FlashStream file to program device FW and Flash Data

    Part Number: BQ27Z746-DEVICE-FW Other Parts Discussed in Thread: EV2400 , BQSTUDIO , BQ27Z746 Hello, We're trying to use this fuel gauge component in our product and part of our production sequence requires that we overwrite the device's flash data with…

  • BQ40Z50-DEVICE-FW: Battery Packs Parallel Connection

    TI Thinks Resolved
    Part Number: BQ40Z50-DEVICE-FW Other Parts Discussed in Thread: BQ40Z50 Hello, I made several 4S7P Li-ion battery packs with a capacity of 21Ah each, using the BQ40Z50 as BMS. Now I'm required to provide a 42Ah pack and I wonder if it is possible and safe…

  • BQ40Z50-DEVICE-FW: The cell balancing time of the battery pack will become zero for pack reset command.

    TI Thinks Resolved
    Part Number: BQ40Z50-DEVICE-FW Other Parts Discussed in Thread: BQ40Z50-R2 Hi, We were using BQ40Z50-R2 for our projects, recently we upgraded the device FW to BQ40Z50-R4. We did complete relearning of the pack. pack configuration is 4S8P. attached the…
    • Answered

  • BQ78350-R2-DEVICE-FW: Advanced Charge Algorithm

    Resolved
    Part Number: BQ78350-R2-DEVICE-FW Other Parts Discussed in Thread: BQ78350 Dear Sir/Madam, I have a question about advance charge algorithm. Could you help me, please about this issue? In the below picture shows temperature and current value for low…
    • Resolved

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