Datasheet

VSW
2V/div
I
0.5 A/div
L
2 S/divm
Vbus=5V,Vbat=3.6VChargemode
operation
V
5V/div
BUS
V
1V/div
BAT
ISEL
5V/div
I
50mA/div
BAT
20mS/div
V =0-5V,
NoBattery,
C =100 F,
R =5k
IN
OUT
LOAD
m
W
ISEL
5V/div
I
0.2 A/div
BUS
0.5S/div
Vbus=5V,Iin_limit=100/500mA,
(ISEL Control,32MinuteMode),
Iin_limit=100mA (I CControl,32SecondMode)
2
32Minute
Mode
32Second
Mode
80
82
84
86
88
90
92
0 100 200 300 400 500 600 700 800 900 1000 1100 1200 1300
ChargeCurrent-mA
Efficiency-%
Vbat=4V
Vbat=3V
Vbat=3.6V
V =5V
BUS
bq24155
SLUS942 –FEBRUARY 2010 www.ti.com
TYPICAL CHARACTERISTICS (continued)
BATTERY DETECTION AT POWER UP CYCLE BY CYCLE CURRENT LIMIT IN CHARGE MODE
Figure 7. Figure 8.
INPUT CURRENT CONTROL CHARGER EFFICIENCY
Figure 9. Figure 10.
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