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

2.3.5 Evaluation Results

GUID-20200909-CA0I-GBKT-F9CV-7ZQ1WBD88L4D-low.gif
fSW = 1.2 MHz Inductance 1 μH
VBUS = 5 V Inductor DCR = 14.6 mΩ
Figure 2-2 BQ25302EVM 1-Cell Battery Charge Efficiency vs. Charge Current
GUID-20201009-CA0I-LTXN-6Z3X-8SB6DZ89399W-low.svg
fSW = 1.2 MHz Inductance = 2.2 uH
VBAT = 3.8 V Inductor DCR = 20 mΩ
Figure 2-3 BQ25300EVM, BQ25303JEVM 1-Cell Battery Charge Efficiency vs. Charge Current
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