TIDUF20 December   2022

 

  1.   Description
  2.   Resources
  3.   Features
  4.   Applications
  5.   5
  6. 1System Description
  7. 2System Overview
    1. 2.1 Block Diagram
    2. 2.2 Design Considerations
      1. 2.2.1 Auxiliary Power Strategy
      2. 2.2.2 High-Side N-Channel MOSFET
      3. 2.2.3 Stacked AFE Communication
    3. 2.3 Highlighted Products
      1. 2.3.1 BQ76942
      2. 2.3.2 LM5168
      3. 2.3.3 ISO1640
      4. 2.3.4 TCAN1042HV
      5. 2.3.5 THVD2410
      6. 2.3.6 TPS7A25
      7. 2.3.7 MSP430FR2155
      8. 2.3.8 TMP61
      9. 2.3.9 TPD2E007
  8. 3Hardware, Software, Testing Requirements, and Test Results
    1. 3.1 Hardware Requirements
    2. 3.2 Test Setup
    3. 3.3 Test Results
      1. 3.3.1 Cell Voltage Accuracy
      2. 3.3.2 Pack Current Accuracy
      3. 3.3.3 Auxiliary Power and System Current Consumption
      4. 3.3.4 Protection
      5. 3.3.5 Working Modes Transition
      6. 3.3.6 ESD Performance
  9. 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
  10. 5About the Author

3 Hardware, Software, Testing Requirements, and Test Results

The key performances of the TIDA-010247 were tested in a TI lab, the end equipment used and test processes and results are described in this section.

Table 3-1 describes the connections for TIDA-010247 board.

Table 3-1 Board Connections
CONNECTOR AND PIN ASSIGNMENTS FUNCTION OR SCHEMATIC NET NOTES
BAT+ BAT+ Cell stack positive
BAT– BAT– Cell stack negative; this provides a reference for the electronics and the high current path from the cells
PACK+ PACK+ Charger positive or load positive
PACK- PACK– Charger negative or load negative
P1-1 3V3 SBW program connector 3.3 V
P1-2 SBCLK SBW program connector SBCLK
P1-3 SBIO SBW program connector SBIO
P1-4 GND SBW program connector ground
P2-1 SCL I2C communication SCL from bq76942, connect SCL_MCU or EV2400 SCL
P2-2 SCL_MCU I2C communication SCL from MCU
P2-3 SDA I2C communication SDA from bq76942, connect SDA_MCU or EV2400 SDA
P2-4 SDA_MCU I2C communication SDA from MCU
P3 Cn (n = 0 to 10) Cell monitor, balance, and electronics power connections. Bottom 10 series cells
P4 Cn (n = 0 to 10) Cell monitor, balance, and electronics power connections. Top 10 series cells
P5-1 CAN-L Low-level CAN BUS
P5-2 CAN-H High-level CAN BUS
P6-1 RS485-A RS485 Bus I/O port, A
P6-2 RS485-B RS485 Bus I/O port, B
P7-1 DET Charger and load detect IO
P7-2 GND Charger and load detect IO ground