BQ24313 Datasheet, PDF (9/22 Pages) Texas Instruments – OVERVOLTAGE AND OVERCURRENT PROTECTION IC AND Li+ CHARGER FRONT-END PROTECTION IC

bq24313
bq24315
www.ti.com............................................................................................................................................... SLUS817A – MARCH 2008 – REVISED NOVEMBER 2008
TYPICAL OPERATING PERFORMANCE (continued)
DROPOUT VOLTAGE (IN to OUT)
vs
FREE-AIR TEMPERATURE
280
260
240
V_IN = 4 V
220
200
V_IN = 5 V
180
160
140
120
100
0
50
100
150
Temperature - °C
Figure 14.
OVERVOLTAGE THRESHOLD PROTECTION
vs
FREE-AIR TEMPERATURE
bq24315
5.88
5.86
5.84
5.82
V_IN Increasing
5.8
V_IN Decreasing
5.78
-50 -30 -10 10
30 50
70 90 ₁₁₀ 130
Temperature - °C
Figure 16.
OVERVOLTAGE PROTECTION THRESHOLD
vs
FREE-AIR TEMPERATURE
bq24313
10.55
10.5
V_IN Increasing
10.45
10.4
10.35
V_IN Decreasing
10.3
-50 -30 -10
10 30 50 70
Temperature °C
Figure 15.
90 110 130
INPUT OVERCURRENT PROTECTION
vs
ILIM RESISTANCE
1600
1400
1200
1000
800
600
400
200
0
0
10 20 30 40 50 60 70 80 90 100
R_ILIM - kW
Figure 17.
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