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

4.2 Schematic

The BQ2530XEVM schematic is shown in Figure 4-7. For inductor selection refer to below Table 4-1

Table 4-1 BQ2530X Inductor Selection
EVM L1
Value Description Package Reference PartNumber Manufacturer
BQ25302EVM 1uH SMD Power Inductor SMD, 4mm x 4mm MAPM0420LA1R0M-LF Microgate
BQ25300EVM 2.2uH SMD Power Inductor SMD, 4mm x 4mm MAPM0420LA2R2M-LF Microgate
BQ25303JEVM 2.2uH SMD Power Inductor SMD, 4mm x 4mm MAPM0420LA2R2M-LF Microgate
GUID-1CABD174-EBD1-4044-9464-BEBB9C313523-low.gif Figure 4-7 Schematic
Note:
  • On BQ25300EVM BQ25300 IC instead of BQ25302 IC is installed.
  • On BQ25303JEVM BQ25303J IC instead of BQ25302 IC is installed.