Test Summary
www.ti.com
Figure 4. The Main Window of the bq24153_6_8 Evaluation Software for bq24153/6/8
2.4
Procedure
2.4.1
Charge Voltage and Current Regulation
1. Make sure the EQUIPMENT SETUP steps are followed. Turn on PS#1.
2. Software setup:
•
For -001, -002, -003, -004, -005, click Immediate Update Disabled button. It changes to Immediate
Update Enabled. Check Auto Reset Enable, set Rate to 5 seconds. Check Periodic Updates, set
Rate to 1 second. Make sure Operation Mode is Charger Mode. Uncheck Charge Current
Termination. Check STAT Pin. Select Battery Regulation Voltage to 4.20V.
•
For -006, -007, -008, Make sure Immediate Updates is enabled. Check Periodic Resets, set Rate
to 5 seconds. Check Periodic Reads, set Rate to 1 second. Make sure Operation Mode is Charger
Mode. Uncheck Charge Current Termination. Check STAT Pin. Select Charge Current Sense
Voltage to Normal. Select Battery Regulation Voltage to 4.20V.
Measure
→
V(J2(VBAT+, VBAT–)) = 4.2 ± 100mV
Observe
→
D1 is on.
3. Enable Load #2.
Measure
→
V(J2(VBAT+, VBAT–)) = 2.5 ± 100mV
Measure
→
Ichrg = 160mA ± 40mA
Measure
→
Iin = 93mA ± 5mA
4. Select Charge Current to 950mA, select Input Current Limit to 500mA.
Measure
→
Ichrg = 750mA ± 100mA
Measure
→
Iin = 475mA ± 25mA
5. Check Disable Charger. Turn off PS#1, turn off Load #2 and disconnect
6
bq2415x YFF EVM
SLUU321B – June 2008 – Revised May 2010
Copyright © 2008–2010, Texas Instruments Incorporated