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

3.2.1 Initial Power Up

Use the following steps for enabling the EVM test setup:

  1. Make sure that Section 2.4 steps have been followed.
  2. Make sure that Section 3.1 steps have been followed.
  3. Turn on PS #1:
    • Measure → VSYS (SYS-TP19 and PGND-TP21) = 3.70V ±0.2V
      Note:

      Completely disconnect Load #1 from BATTERY connections if different value is seen.