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  • BQ25190: Layout guide or considerations for BQ25190

    TI Thinks Resolved
    Part Number: BQ25190 Tool/software: Hi, this is Gilhwan Cha. I am trying to create a custom board using the BQ25190. The pitch and pad size of the BQ25190 seems to be too small to route the internal signals of the package on the PCB. Also, drilling…

  • BQ25190: Battery SOC Estimation Using the BQ25190's ADC

    TI Thinks Resolved
    Part Number: BQ25190 Tool/software: Hi, this is Gilhwan Cha. I am trying to estimate the SOC of a Li-ion battery by measuring its voltage through the internal ADC of a BQ25190EVM. I measured it through TIcharger_gui: Here are the results of my experiment…
    • Answered

  • BQ25190: Example I2C code for setting up BQ25190

    Resolved
    Part Number: BQ25190 Tool/software: Hi, I have confirmed that the BQ25190 is controlled via GUI, now I want to do I2C communication with MCU, where can I find the example code? The I2C protocol or details do not exist in the datasheet. Thanks.
    • Resolved
    • Answered

  • BQ25190: Register setting initialization issue in BQ25190

    Resolved
    Part Number: BQ25190 Other Parts Discussed in Thread: BQ25188 , BQ25186 , BQ25620 , BQ25120A , BQ25155 Tool/software: Hi, this is Gilhwan Cha. I am trying to develop a portable device with BQ25190. I'm trying to communicate with a SOC that requires…
    • Resolved

  • RE: BQ25190: Configuring BQ25190 Buck Converter for 3.3V Default Output Without I²C for ESP32-S3-WROOM-1

    I should note: I have read through the response in another thread https://e2e.ti.com/support/power-management-group/power-management/f/power-management-forum/1484104/bq25190-register-setting-initialization-issue-in-bq25190/5701768#5701768 and the part…

  • BQ25190: I2C pins - are they 5 volt tolerant?

    TI Thinks Resolved
    Part Number: BQ25190 Tool/software: In the datasheet it is mentioned the absolute maximum ratings for 'all other pins' is 5.5 V - is it safe to assume this includes the I2C pins? Scenario - power 5v tolerant microcontroller from SYS and set parameters…
    • Answered

  • BQ25190: 2.2uH instead of recommended 1.0uH for switch buck

    Resolved
    Part Number: BQ25190 Tool/software: Hello! What issues we may have if we use 2.2uH inductor (PLEA67BBA2R2M-1PT00) instead of recommended a 1.0uH inductor for Buck converter? The circuit consumes no more than 15mA @ 1.8V at peak. Kind regards, …
    • Resolved
    • Answered

  • BQ25190: Concerned about heat dissipation - larger package available?

    Resolved
    Part Number: BQ25190 Tool/software: Hi there, the BQ25190 would be a perfect match for our setup (LifePO4 charging, 3V3 constant, another 3.3V, 1.8V and 5V switchable, I2C). I'm concerned regarding the heat dissipation when under full load and charging…
    • Resolved

  • BQ21088: I2C Read battery voltage and current information

    TI Thinks Resolved
    Part Number: BQ21088 Other Parts Discussed in Thread: BQ25186 , BQ25190 Tool/software: Hi Team, Use the I2C function of the Battery Charger to read the battery voltage and current information. Can BQ25186 or BQ21088 do this? Or which IC can achieve…
    • Answered

  • BQ25186: Battery Voltage measurement through the I2C

    Resolved
    Part Number: BQ25186 Other Parts Discussed in Thread: BQ25190 , BQ25150 Tool/software: Hi, I am using the BQ25186 charging IC in my design and in that I want to know how can I read the battery voltage using the I2C lines or is there any other method to…
    • Resolved

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