BQ24075T Datasheet, PDF (10/29 Pages) Texas Instruments – 1.5A USB-Friendly Li-Ion Battery Charger and Power-Path Management IC

bq24075T
bq24079T
SLUS937 – DECEMBER 2009
www.ti.com
TYPICAL CHARACTERISTICS (continued)
V_IN = 6V, EN1 = 1, EN2 = 0, T_A = 25°C, unless otherwise noted.
THERMAL REGULATION
DROPOUT VOLTAGE
vs
TEMPERATURE
600
0.7
120
I_L = 1 A
500
0.6
100
0.5
400
80
0.4
300
60
0.3
200
40
0.2
100
0.1
20
DROPOUT VOLTAGE
vs
TEMPERATURE
NO INPUT SUPPLY
I_L = 1 A
VBAT = 3 V
VBAT = 3.9 V
0
120 125 130 135 140 145
Temperature - ^oC
Figure 10.
0
0
25
50
75
100 125
T_J - Junction Temperature - °C
Figure 11.
0
0
25
50
75
100 125
T_J - Junction Temperature - °C
Figure 12.
OUTPUT REGULATION VOLTAGE
vs
TEMPERATURE
5.75
5.70
5.65
V_IN = 6 V,
I_L = 1 A
5.60
5.55
5.50
5.45
5.40
5.35
5.30
5.25
0
25
50
75
100 125
T_J - Junction Temperature - °C
Figure 13.
BAT REGULATION VOLTAGE
vs
TEMPERATURE
bq24075T
4.210
4.205
4.200
4.195
4.190
4.185
4.180
0
5 10 15 20 ^{25 30}
T_J - Junction Temperature - °C
Figure 14.
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 15.
10
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