Test Summary
Figure 4. Main Window of the bq2429x Evaluation Software
2.3
Procedure
2.3.1
Current Settings
Make sure EQUIPMENT SETUP steps are followed.
1.
ILIM
Setting: Set the potentiometer to its lowest value for max input current. Turn the screw on the
potentiometer counterclockwise (Pot should make click sound when fully CCW).
2. Launch BQ2429x EVM GUI application on computer, if not already done.
3. Turn on PS#1
Measure
→
V (J3(SYS), J3(GND)) = 4.10 ±300 mV
2.4
Charge Voltage and Current Regulation of VIN and Device ID Verification
2.4.1
Software setup (all of these steps are done in the GUI):
•
Device address: 6B
•
Click the
Read
button two times, one second apart
•
Select
Disabled
for
I2C Watchdog Timer Limit
•
Set
Input Voltage Limit
to 4.2 V
•
Set
Input Current Limit
to 500 mA
•
Set
Charge Voltage Limit
to 4.208 V
•
Set Fast Charge Current,
ICHG
to 512 mA
6
bq24295EVM-549 (PWR549) User’s Guide
SLUUAO5B – August 2013 – Revised April 2014
Copyright © 2013–2014, Texas Instruments Incorporated
