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BQ24311 Datasheet(PDF) 6 Page - Texas Instruments

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Part # BQ24311
Description  Li Charger Front-End Protection IC
Download  26 Pages
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

BQ24311 Datasheet(HTML) 6 Page - Texas Instruments

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Temperature (GC)
-50
0
50
100
150
121
122
123
124
125
126
127
128
D002
V
(V
Increasing)
(BOVP)
VBAT
Bat-OVP Recovery (V
Decreasing)
VBAT
Temperature ( C)
o
-50
-30
-10
10
30
50
70
90
110
130
4.4
4.35
4.3
4.25
4.2
4.15
4.1
4.05
5.78
5.8
5.82
5.84
5.86
5.88
-50
-30
-10
10
30
50
70
90
110
130
V
Increasing
IN
V
Decreasing
IN
Temperature- C
°
RILIM (k:)
0
100
200
300
400
500
600
0
50
100
150
200
250
300
350
D002
Temperature (GC)
0
20
40
60
80
100
120
140
15
17
19
21
23
25
27
29
31
33
35
D002
VIN = 5 V
VIN = 4 V
2.4
2.45
2.5
2.55
2.6
2.65
2.7
2.75
-50
-30
-10
10
30
50
70
90
110
130
V
Increasing
IN
V
Decreasing
IN
Temperature- C
°
bq24311
SLUSBT8 – JULY 2014
www.ti.com
7.7 Typical Characteristics
Test conditions (unless otherwise noted) for typical operating performance: VIN = 5 V, CIN = 1 μF, COUT = 1 μF,
R(ILIM) = 200 kΩ, R(BAT) = 100 kΩ, TA = 25°C, V(PU) = 3.3 V (see Figure 11 for the Typical Application Circuit)
Figure 1. Undervoltage Lockout vs Free-Air Temperature
Figure 2. Dropout Voltage (In to Out) vs Free-Air
Temperature
Figure 3. Overvoltage Threshold Protection vs Free-Air
Figure 4. Input Overcurrent Protection vs ILIM Resistance
Temperature
Figure 6. Battery Overvoltage Protection vs Free-Air
Figure 5. Input Overcurrent Protection vs Free-Air
Temperature
Temperature
6
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