ELECTRICAL CHARACTERISTICS
ELECTRICAL PERFORMANCE CURVES
ELECTRICAL PERFORMANCE CURVES
5.0
700
700
4.5
4.0
3.5
3.0
2.5
2.0
Battery Voltage
Charge Current
600
500
400
300
200
100
600
500
400
300
200
1.5
0
20
40
60
80
100
0
120
100
4
5
6
7
8
9
10
Time (min)
Figure 4. Complete Charge Cycle
V IN = 5.0 V, I CHG = 650 mA, T A = 25°C
4.30
4.25
4.20
4.15
4.10
4.05
V IN (V)
Figure 7. Constant Charge Current vs V IN
I CHG = 650 mA, V BAT = 3.0 V, T A = 25°C
80
75
70
65
60
55
4.00
4
5
6
7
8
9
10
11
50
2
4
6
8
10
12
V IN (V)
Figure 5. V BAT vs V IN
I CHG = 650 mA, I BAT = 0 mA, T A = 25°C
3000
2500
2000
V IN (V)
Figure 8. Trickle Charge Current vs V IN
I CHG = 650 mA, V BAT = 2.0 V, T A = 25°C
700
600
500
1500
1000
500
Charger Enabled
Charger Disabled
400
300
200
100
0
2
4
6
8
10
12
0
1.5
2.0
2.5
3.0
3.5
4.0
4.5
V IN (V)
Figure 6. VIN Pin Supply Current vs V IN
I CHG = 650 mA, I BAT = 100 mA, T A = 25°C
V BAT (V)
Figure 9. Charge Current vs V BAT
I CHG = 650 mA, V IN = 5.0 V, T A = 25°C
34674
Analog Integrated Circuit Device Data
Freescale Semiconductor
9
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