TIDUF20B December   2022  – July 2025

 

  1.   1
  2.   Description
  3.   Resources
  4.   Features
  5.   Applications
  6.   6
  7. 1System Description
  8. 2System Overview
    1. 2.1 Block Diagram
    2. 2.2 Design Considerations
      1. 2.2.1 Configure This Design for Different Use Cases
      2. 2.2.2 Auxiliary Power Strategy
      3. 2.2.3 High-Side N-Channel MOSFET
      4. 2.2.4 Stacked AFE Communication
      5. 2.2.5 Thermistor Multiplexer
      6. 2.2.6 CAN Stacking
    3. 2.3 Highlighted Products
      1. 2.3.1  BQ76972
      2. 2.3.2  MSPM0G3519
      3. 2.3.3  UCC334xx
      4. 2.3.4  LM5168
      5. 2.3.5  ISO1640
      6. 2.3.6  ISO1042
      7. 2.3.7  ISO1410
      8. 2.3.8  TPS7A24
      9. 2.3.9  TMP61
      10. 2.3.10 TPD2E007
  9. 3Hardware, Software, Testing Requirements, and Test Results
    1. 3.1 Hardware Requirements
    2. 3.2 Software Requirements
      1. 3.2.1 Getting Started MSPM0 Software
        1. 3.2.1.1 Download and Install Software Required for Board Test
        2. 3.2.1.2 Import the Project Into CCS
        3. 3.2.1.3 Compile the Project
        4. 3.2.1.4 Download Image and Run
      2. 3.2.2 Software Function List
        1. 3.2.2.1 Driverlib Function List
          1.        CAN_ID_Init_on_Startup
          2.        CAN_Write
          3.        CANprocessCANRxMsg
          4.        I2C_WriteReg
          5.        I2C_ReadReg
          6.        RS485_Send
          7.        RS485_Receive
        2. 3.2.2.2 Application Function List
          1.        Temp_Mux_Polling
          2.        BatteryDataUpdate_32s
          3.        BQ769x2_OTP_Programming
          4.        Check_Signal_Pattern
          5.        BMU_FET_Test
      3. 3.2.3 Software Workflow
    3. 3.3 Test Setup
    4. 3.4 Test Results
      1. 3.4.1 Cell Voltage Accuracy
      2. 3.4.2 Pack Current Accuracy
      3. 3.4.3 Auxiliary Power and System Current Consumption
      4. 3.4.4 Protection
      5. 3.4.5 Working Modes Transition
      6. 3.4.6 Thermistor Multiplexer
      7. 3.4.7 ESD Performance
      8. 3.4.8 Surge Immunity
  10. 4Design and Documentation Support
    1. 4.1 Design Files
      1. 4.1.1 Schematics
      2. 4.1.2 BOM
    2. 4.2 Tools and Software
    3. 4.3 Documentation Support
    4. 4.4 Support Resources
    5. 4.5 Trademarks
  11. 5About the Author
  12. 6Revision History

3.2.3 Software Workflow

A software example is provided to show how to use the design in an ESS application. Figure 3-4 shows the software flow chart. Before using this software, the bottom AFE must be programmed to a different I2C address as the OTP example in this flow chart.

TIDA-010247 Software Flow Chart Figure 3-4 Software Flow Chart