SLVUDD7 March   2026 BQ25640

 

  1.   1
  2.   Description
  3.   Get Started
  4.   Features
  5.   Applications
  6.   6
  7. 1Evaluation Module Overview
    1. 1.1 Introduction
    2. 1.2 Kit Contents
    3. 1.3 Specifications
    4. 1.4 Device Information
  8. 2Hardware
    1. 2.1 Header Information
    2. 2.2 Jumper Information
    3. 2.3 Equipment
    4. 2.4 Hardware Setup
  9. 3Software
    1. 3.1 Software Setup
    2. 3.2 Test Procedure
      1. 3.2.1 Initial Power Up
      2. 3.2.2 I2C Register Communication Verification
      3. 3.2.3 Charger Mode Verification
      4. 3.2.4 Boost Mode Verification
      5. 3.2.5 Helpful Tips
  10. 4Hardware Design Files
    1. 4.1 Schematic
    2. 4.2 PCB Layout
      1. 4.2.1 PCB Layout Guidelines
    3. 4.3 Bill of Materials (BOM)
  11. 5Additional Information
    1.     Trademarks

3.2.2 I2C Register Communication Verification

Use the following steps for communication verification :

  1. In the EVM software, click the BQ25640EVM button
    • Verify that the GUI reads BQ25640EVM in the top right corner.
      Note:

      If the device reads BQ25640EVM verify Section 2.4 and Section 3.2.1 steps have been followed.

  2. In the Field View (see Figure 3-3), make the following changes as necessary:
    • Set BQ25640EVM
    • Set BQ25640EVM
    • Set BQ25640EVM
    • Set BQ25640EVM
    • Set BQ25640EVM
    • Set BQ25640EVM
    • Set BQ25640EVM
    • Check BQ25640EVM
    • Uncheck BQ25640EVM