BQ24072T_1 Datasheet, PDF (12/34 Pages) Texas Instruments – 1.5A USB-Friendly Li-Ion Battery Charger and Power-Path Management IC

bq24072T
bq24075T, bq24079T
SLUS937A – DECEMBER 2009 – REVISED APRIL 2010
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TYPICAL CHARACTERISTICS (continued)
V_IN = 6V, EN1 = 1, EN2 = 0, T_A = 25°C, unless otherwise noted.
OUTPUT REGULATION VOLTAGE
vs
TEMPERATURE
BAT REGULATION VOLTAGE
vs
TEMPERATURE
bq24075T
5.75
5.70
5.65
V_IN = 6 V,
I_L = 1 A
4.210
4.205
5.60
4.200
5.55
5.50
4.195
5.45
5.40
4.190
5.35
5.30
5.25
0
25
50
75
100 125
T_J - Junction Temperature - °C
4.185
4.180
0
5
10
15
20 25
30
T_J - Junction Temperature - °C
Figure 16.
Figure 17.
BATTERY REGULATION VOLTAGE
vs
TEMPERATURE
bq24079T
4.11
4.105
4.1
4.095
4.09
4.085
4.08
0
5
10 15 20 25 30
T_J - Junction Temperature - °C
Figure 18.
OVERVOLTAGE PROTECTION
THRESHOLD
vs
TEMPERATURE
6.70
6.6 V
6.65
V_I Rising
6.60
6.55
6.50
V_I Falling
6.45
0
25
50
75
100 125
T_J - Junction Temperature - °C
Figure 19.
INPUT CURRENT LIMIT
vs
INPUT VOLTAGE
800
RILIM
700
600
500
USB500
400
300
200
100
0
5
USB100
6
7
8
9
10
V_I - Input Voltage - V
Figure 20.
FASTCHARGE CURRENT
vs
BATTERY VOLTAGE
1.05
R_ISET = 900 W
1.03
1.01
0.99
0.97
0.95
3
3.2 3.4 ^3.6 3.8
4 4.2
V_BAT - Battery Voltage - V
Figure 21.
12
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