SLUUCQ5 March   2023 BQ28Z620

 

  1. 1BQ28Z620EVM 1- to 2-Series Li-Ion Battery Pack Manager Evaluation Module
    1. 1.1 Features
      1. 1.1.1 Kit Contents
      2. 1.1.2 Ordering Information
      3. 1.1.3 Documentation
      4. 1.1.4 BQ28Z620 and BQ294502 Circuit Module Performance Specification Summary
    2. 1.2 BQ28Z620EVM Quick Start Guide
      1. 1.2.1 Items Needed for EVM Setup and Evaluation
      2. 1.2.2 Software Installation
      3. 1.2.3 EVM Connections Module Connections
    3. 1.3 Battery Management Studio
      1. 1.3.1 Starting the Program
      2. 1.3.2 Registers Screen
      3. 1.3.3 Data Memory Screen
      4. 1.3.4 Calibration Screen
        1. 1.3.4.1 Voltage Calibration
        2. 1.3.4.2 Temperature Calibration
        3. 1.3.4.3 Current Calibration
      5. 1.3.5 Authentication Screen
      6. 1.3.6 Chemistry Selection
      7. 1.3.7 Programming Screen
        1. 1.3.7.1 Programming the Flash Memory
        2. 1.3.7.2 Generating The Golden Image
      8. 1.3.8 Advanced Comm I2C Screen
      9. 1.3.9 Watch Screen
    4. 1.4 Circuit Module Physical Layouts and Bill of Materials
      1. 1.4.1 Board Layout
      2. 1.4.2 Bill of Materials
      3. 1.4.3 Schematic
      4. 1.4.4 Testing Fuse-Blowing Circuit
  2. 2Revision History

1.3.5 Authentication Screen

The BQ28Z620 supports SHA-1 HMAC authentication with the host system. The authentication screen of BQStudio allows for the SHA-1 calculator to be tested, perform gauge authentication by the host and change the gauge authentication key.

GUID-1F933F31-CFA1-47F9-93A5-9DE01381EE87-low.pngFigure 1-7 Authentication Screen