SLUUC53A
October 2020 – March 2021
BQ25300
,
BQ25302
,
BQ25303J
Trademarks
1
Introduction
1.1
EVM Features
1.2
I/O Descriptions
2
Test Setup and Results
2.1
Equipment
2.2
Equipment Setup
2.3
Test Procedure
2.3.1
Initial Settings
2.3.2
Precharge Mode Verification
2.3.3
Fast Charge Mode Verification
2.3.4
Battery Temperature Monitoring Verification
2.3.5
Evaluation Results
2.3.6
Helpful Tips
3
PCB Layout Guideline
4
Board Layout, Schematic, and Bill of Materials
4.1
Board Layout
4.2
Schematic
4.3
Bill of Materials
5
Revision History
2.3.2
Precharge Mode Verification
Turn on PS2
Enable Load #1 and take measurements as follows:
Measure →
VBAT (BAT-TP5 and PGND-TP11) = 2.5 V ± 0.1 V
Observe
→ STAT LED (D2) on
Measure
→
IBAT for respective battery charger IC from
Table 2-1
.
Table 2-1 Precharge Current Measurement
BQ2530XEVM
IBAT
100 mA ± 50 mA