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Showing 16 results View by: Thread Post Sort by
  • RE: BQ27421-G1: application questions

    Alice Fan
    Alice Fan
    Hi Adrian, Thanks for your reply. May I know is it possible to programming BQ27421-G1D Chem ID into BQ27421EVM-G1B ? Golden image means the FlashStream file from bqStudio. It could be written into data memory. Do your customers all use BQStudio…
    • 7 months ago
    • Power management
    • Power management forum
  • Answered
  • BQ27421-G1: Sleep current when external power rail is used for SCL/SDA pull-up resistor

    Eran Dahan
    Eran Dahan
    Resolved
    Part Number: BQ27421-G1 Other Parts Discussed in Thread: BQ27421EVM-G1B Hi, I have facing the same problem too. This problem impacts the sleep current which should be according to spec <21uA but the actual is ~45uA. I have the same connection…
    • over 4 years ago
    • Power management
    • Power management forum
  • How to get BQ27421YZFR-G1A / BQ27421YZFR-G1B EVMs design file?

    weiji jiang
    weiji jiang
    Other Parts Discussed in Thread: BQ27421EVM-G1A , BQ27421EVM-G1B Hi TI Folks, Good day to you. Please teach me where can I get the orcad sysmbol of below MPNs: BQ27421YZFR-G1A BQ27421YZFR-G1B or please share me the orcad schematic of below EVMs…
    • over 8 years ago
    • Power management
    • Power management forum
  • Answered
  • BQ27421-G1AEVM vs BQ27421-G1BEVM Differences?

    LeonardEllis
    LeonardEllis
    Resolved
    I see we have www.ti.com/tool/BQ27421EVM-G1A and www.ti.com/tool/BQ27421EVM-G1B , but I am not seeing what the difference is between the two. Please describe what I might be missing in determining which one would be best for my test environment. ~L
    • Resolved
    • over 9 years ago
    • Power management
    • Power management forum
  • BQ27421EVM-G1A: BQ27421EVM-G1A. Data flash checksum error?

    Zachary Thatcher
    Zachary Thatcher
    TI Thinks Resolved
    Part Number: BQ27421EVM-G1A Other Parts Discussed in Thread: BQ27421-G1 I am having an issue validating my checksum. First, I would like to say that there seem to be four different ways to perform the checksum calculation, depending on which reference…
    • over 6 years ago
    • Power management
    • Power management forum
  • BQ27421-G1: Sleep current when external power rail is used for SCL/SDA pull-up resistor

    Eran Dahan
    Eran Dahan
    Part Number: BQ27421-G1 Hi, I found that sleep current is not as specified in the data sheet when using external voltage pull-up for SCL/SDA. Attached is: (1) Setup of measurement (2) Current consumption of fuel gauge & excel sheet with measurement…
    • over 4 years ago
    • Power management
    • Power management forum
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