SLUUCK2A October   2022  – November 2022 BQ25620 , BQ25622

 

  1.   Abstract
  2.   Trademarks
  3. 1Introduction
    1. 1.1 EVM Features
    2. 1.2 General Descriptions
  4. 2Testing Procedures
    1. 2.1 Equipment
    2. 2.2 Hardware Setup
    3. 2.3 Software Setup
    4. 2.4 Test Procedure
      1. 2.4.1 Initial Power Up
      2. 2.4.2 I2C Register Communication Verification
      3. 2.4.3 Charger Mode Verification
      4. 2.4.4 Boost Mode Verification
      5. 2.4.5 Helpful Tips
  5. 3PCB Layout Guideline
  6. 4Board Layout, Schematic, and Bill of Materials
    1. 4.1 Board Layout
    2. 4.2 Schematic
    3. 4.3 Bill of Materials
  7. 5Revision History

2.1 Equipment

This section includes a list of supplies required to perform tests on this EVM.

  1. Power Supplies: Power Supply #1 (PS #1): A power supply capable of supplying 5 V at 3 A is required. While this part can handle larger voltage and current, it is not necessary for this procedure.
  2. Load #1 for simulating a battery: 4-Quadrant Supply, Constant Voltage < 4.5 V) "Kepco" Load, BOP, 20-5M, DC 0 to ±20 V, 0 to ±3.5 A (or higher)

    Alternative Option: A 0–20V/0–3.5 A, > 30-W DC electronic load set in a constant voltage loading mode

  3. Load #2 for simulating a load at SYS or load at VBUS in reverse/OTG mode: Electronic or Resistive Load capable sinking up to 5-A from up to 9V (or higher)
  4. Meters: 4x "Fluke 75" multi-meters, (equivalent or better).

    Alternative Option: (2x) equivalent voltage meters and (2x) equivalent 3-A or higher rated current meters.
  5. Computer: A Windows 10 based computer with at least one USB port and a USB cable. Must have the latest version of Battery Management Studio installed.
  6. USB-TO-GPIO Communication Kit: EV2400 USB-based PC interface board.
  7. Software: BQStudio software with latest .bqz file for BQ2562x provided by Texas Instruments. Download and install bqStudio from https://www.ti.com/tool/BQSTUDIO.