SLUAAL7 September   2022 BQ35100

 

  1.   Abstract
  2.   Trademarks
  3. 1Introduction
  4. 2EVM and System Setup
  5. 3Enabling EOS Mode
    1. 3.1 Steps for Enabling EOS Mode
  6. 4I2C Communication Between the Microcontroller and the BQ35100 EVM
  7. 5Testing Procedure
  8. 6EOS Data Example
  9. 7Final Configuration of the BQ35100 Data
  10. 8Conclusion
  11. 9References

2 EVM and System Setup

Figure 2-1 shows the wiring used for collecting impedance data. The BQ35100 EVM is connected using I2C communication, and data memory is connected using SPI communication, or any other available method. The BQ35100 EVM already implements pull-up resistors on the I2C communication lines so no external pull-up resistors are needed.

Any controller or MCU can be used for collecting the impedance data, there are only a few requirements:

  • The ability to save logged data read from the BQ35100
  • Ability to communicate over I2C to read data and send commands
  • GPIO functionality for the GE and ALERT functions
GUID-B74EF822-E81C-47EB-B101-3A5E96A812A4-low.pngFigure 2-1 Wire Connection Block Diagram