Answered

• BQ27426: Bq27426: Learning Cycle issues

  

  Priya Joshi

  Resolved

  Part Number: BQ27426 Other Parts Discussed in Thread: BQSTUDIO , , EV2400 I am using a 400 mAh Li-ion battery (charge voltage 4350 mV) with a BQ27426EVM for the learning cycle. The ChemID is 3230. After completing the learning cycle, the gauge reports…

  • Resolved

  • 1 month ago
  • Power management
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• BQ27426: What are the sizes of RAM and ROM(flash) of BQ27426?

  

  jiang kun

  Part Number: BQ27426 Hi TI team: What are the sizes of RAM and ROM(flash) of BQ27426?

  • 2 months ago
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• BQ27426: Measurement function

  

  Yoshinobu Kagawa

  Part Number: BQ27426 Is VBAT:2.45V the threshold causing the measurement to stop? Also, will the register values be retained until VBAT falls below 2V? Regards, Kagawa

  • 1 month ago
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• BQ27426: BQ27426 SOC is not accurate

  

  Zach Zhu

  TI Thinks Resolved

  Part Number: BQ27426 Tool/software: Hi, My customer encountered a problem when using BQ27426. RD set terminate voltage at 3.3V. Terminate voltage is system shutdown voltage, and also the RSOC 0% relative voltage. But now when the discharge reaches…

  • 11 months ago
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• BQ27426: BQ27426: Question about AVG I/P LAST RUN

  

  Wang Dong

  Part Number: BQ27426 Tool/software: Hello there. I have some questions regarding the previous case's responses . Please help me answer them. 1、Does Load Mode/select = 0x81 correspond to the AVG P LAST RUN register? 2、When Load Mode/select…

  • 10 months ago
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• BQ27426: Maximum Iq value of BQ27426

  

  Feng bin Su

  TI Thinks Resolved

  Part Number: BQ27426 Tool/software: Hi team, My customer is evaluating the system power consumption for battery system. Could you help to provide the maximum quiescent current of BQ27426? There is only typical value in datasheet. Regards,…

  • over 1 year ago
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Answered

• BQ27426: BQ27426YZFR + BQ29702DSER schematic review and sense resistor value

  

  savita ahir

  Resolved

  Part Number: BQ27426 Hello TI Team, I am using BQ27426YZFR as a fuel gauge with BQ29702DSER as the BMS IC in a single-cell Li-ion battery design. Battery details: Chemistry: Li-ion Max voltage: 4.35 V Nominal voltage: 3.8 V …

  • Resolved

  • 6 days ago
  • Power management
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• BQ27426: Calibration during production

  

  Yoshinobu Kagawa

  Part Number: BQ27426 Tool/software: BQ27426: Calibration during production The above thread mentions “As I have read, it is recommended to calibrate at least 10 gauges in the end device and average the numbers to load the right value in the RAM memory…

  • 4 months ago
  • Power management
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• BQ27426: RM Self-Increment Issue Report

  

  chengxiaobin

  Part Number: BQ27426 Hi Dominik, This is a transfer from another case. FAE (Jerry Hu) should have already communicated with you regarding the issue of RM self-increment (increase). Please provide a problem explanation report based on our questions…

  • 1 month ago
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• BQ27426: Fuel gauge algorythm for multiple batteries

  

  Romain Pannet

  Part Number: BQ27426 Other Parts Discussed in Thread: GPCCHEM , Hello, We are using the BQ27426YZFR chip with a 120 mAh LiPo battery cell from RouteJade. During the development TI had provided us some fuel gauge profil for this specific battery. The profile…

  • 1 month ago
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