BQ24105-Q1 Datasheet, PDF (8/35 Pages) Texas Instruments – SYNCHRONOUS SWITCHMODE, LI-ION AND LI-POLYMER CHARGE-MANAGEMENT IC WITH INTEGRATED POWER FETs ( bqSWITCHER™)

bq24105-Q1
SLUS953 – AUGUST 2009................................................................................................................................................................................................. www.ti.com
TYPICAL OPERATING PERFORMANCE
EFFICIENCY
vs
CHARGE CURRENT
100
90
80
70
60
50
0
100
90
80
V_I = 5 V
V_I = 16 V
V_(BAT) = 4.2 V
1-Cell
0.5
1
1.5
2
I_(BAT) - Charge Current - A
Figure 2.
EFFICIENCY
vs
CHARGE CURRENT
V_I = 9 V
V_I = 16 V
70
60
50
0
V_(BAT) = 8.4 V
2-Cell
0.5
1
1.5
2
I_(BAT) - Charge Current - A
Figure 3.
8
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