SLUUC53A October   2020  – March 2021 BQ25300 , BQ25302 , BQ25303J

 

  1.   Trademarks
  2. 1Introduction
    1. 1.1 EVM Features
    2. 1.2 I/O Descriptions
  3. 2Test Setup and Results
    1. 2.1 Equipment
    2. 2.2 Equipment Setup
    3. 2.3 Test Procedure
      1. 2.3.1 Initial Settings
      2. 2.3.2 Precharge Mode Verification
      3. 2.3.3 Fast Charge Mode Verification
      4. 2.3.4 Battery Temperature Monitoring Verification
      5. 2.3.5 Evaluation Results
      6. 2.3.6 Helpful Tips
  4. 3PCB Layout Guideline
  5. 4Board Layout, Schematic, and Bill of Materials
    1. 4.1 Board Layout
    2. 4.2 Schematic
    3. 4.3 Bill of Materials
  6. 5Revision History

Precharge Mode Verification

  1. Turn on PS2
  2. Enable Load #1 and take measurements as follows:
    1. Measure → VBAT (BAT-TP5 and PGND-TP11) = 2.5 V ± 0.1 V
    2. Observe → STAT LED (D2) on
    3. Measure IBAT for respective battery charger IC from Table 2-1.
      Table 2-1 Precharge Current Measurement
      BQ2530XEVM
      IBAT 100 mA ± 50 mA