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Showing 1,512 results View by: Thread Post Sort by
  • BQ40Z50-R1: The battery of the BQ40z50-r1 solution fails to communicate after plugging and removing test

    chengxue wang
    chengxue wang
    TI Thinks Resolved
    Part Number: BQ40Z50-R1 Other Parts Discussed in Thread: EV2400 , BQ40Z50 Tool/software: Hi, TI experts! Using BQ40z50-r1 4 series battery PACK, the customer used the battery to plug and unplug the device (no power on, battery voltage 16.4V), after…
    • 11 months ago
    • Power management
    • Power management forum
  • BQ40Z50-R1: BQ40Z50-R1: SMBus series resistor

    Star Xu
    Star Xu
    TI Thinks Resolved
    Part Number: BQ40Z50-R1 Hi I have a query need your help. For the BQ40Z50-R1, The typical applications show 300Ω resistors(100Ω+200Ω)in string on SMBC and SMBD. However, for some reason, we use 1KΩ resistor as SMBUS communication external pull-up…
    • over 1 year ago
    • Power management
    • Power management forum
  • RE: BQ40Z50-R1: Cell Balancing not working as expected

    Ken Cowan
    Ken Cowan
    Anthony, thanks for your response, the DoD/QMax makes sense now. With regard to bit 1 of the configuration register, my reference manual for bq40Z50-R1 is different than what you posted. In mine, bit 1 is RSVD_ONE and it says to program it to 1 and not…
    • 22 days ago
    • Power management
    • Power management forum
  • BQ40Z50-R1: How to calculate OCD accuracy?

    Nineteen Chen
    Nineteen Chen
    Part Number: BQ40Z50-R1 Other Parts Discussed in Thread: BQSTUDIO Tool/software: I have made the following configuration according to the user manual of BQ40Z50-R1. How to calculate the detection range of the actual OCD? Register value OCD :15A…
    • 6 months ago
    • Power management
    • Power management forum
  • BQ40Z50-R1: How do you determine what Maximum Cell Balance Time Values to use?

    Ken Cowan
    Ken Cowan
    TI Thinks Resolved
    Part Number: BQ40Z50-R1 Tool/software: The default value for Bal Time/mAh Cell 1 is 240 s/mAh and for Bal Time/mAh Cell 2-4 is 360 s/mAh. How were these default values determined and how do I adjust them for my application? I am getting packs that exceed…
    • 24 days ago
    • Power management
    • Power management forum
  • BQ40Z50-R1: Application issues

    zhong susan
    zhong susan
    Part Number: BQ40Z50-R1 Other Parts Discussed in Thread: BQ40Z50 Tool/software: Hi When using the BQ40z50 guage, what is the appropriate resistance value for the ground resistor of the PRESS pin? 10k or 10k or 100k
    • 7 months ago
    • Power management
    • Power management forum
  • RE: BQ40Z50-R1: Battery Pack rated capacity vs actual capacity

    Alan Frias
    Alan Frias
    Hello Jonathan, 1-Based on your example you pack actual capacity is 32,000mAh x 2 cells in series = 64000mAh Jonathan Tshimama-Kabangu said: Second question what does RSOC & ASOC values map to in Bqstudio? -Can you elaborate on this, having…
    • 3 months ago
    • Power management
    • Power management forum
  • BQ40Z50-R1: BQ40Z50-R1 FCC query

    Star Xu
    Star Xu
    Part Number: BQ40Z50-R1 Hi I have a query need your help. The CHEM ID is selected and full learned. BQ40Z50-R1 DF>>Gas Gauging>>IT Cfg>>Term Voltage = 9000mV BQ40Z50-R1 DF>>Gas Gauging>>IT Cfg>>Term Min Cell V= 3000mV BQ40Z50-R1 DF>>Settings>>Configuration…
    • over 1 year ago
    • Power management
    • Power management forum
  • BQ40Z50-R1: Battery cannot be read

    GARETH OU
    GARETH OU
    Part Number: BQ40Z50-R1 Tool/software: Hi The customer has a problem reading TI BQ40Z50-R1 After the battery wakes up, it can initially read the battery stat, Later, there will be a problem that the battery cannot be read sometimes, as shown below…
    • 9 months ago
    • Power management
    • Power management forum
  • BQ40Z50-R1: Application issues

    zhong susan
    zhong susan
    Part Number: BQ40Z50-R1 Other Parts Discussed in Thread: BQ40Z50 Tool/software: Hi I have some questions about the use of PBI pins that I would like to ask,We need to use the PBI pin of BQ40z50 for control. The specific application schematic is shown…
    • 7 months ago
    • Power management
    • Power management forum
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