bq25505
SLUSBJ3B –AUGUST 2013–REVISED JANUARY 2014
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100
90
1400
1200
1000
800
600
400
200
0
TA = -40C, VBAT_PRI = 2V
TA = -40C, VBAT_PRI = 5.5V
TA = 25C, VBAT_PRI = 2V
TA = 25C, VBAT_PRI = 5.5V
TA = 85C, VBAT_PRI = 2V
TA = 85C, VBAT_PRI = 5.5V
V
= 0.2 V
IN
80
70
60
50
40
30
20
VSTOR = 3.0 V
VSTOR = 2.0 V
VSTOR = 5.5 V
0.0
0.1
1.0
10.0
100.0
2
2.5
3
3.5
4
4.5
5
5.5
Input Current (mA)
VBAT_SEC Voltage (V)
Figure 12. Charger Efficiency vs Input Current
Figure 13. Quiescent Current vs VBAT_SEC Voltage: Active
Mode
250
200
150
100
50
35
TA = -40C, VBAT_PRI = 2V
TA = -40C, VBAT_PRI = 5.5V
TA = 25C, VBAT_PRI = 2V
TA = 25C, VBAT_PRI = 5.5V
TA = 85C, VBAT_PRI = 2V
TA = 85C, VBAT_PRI = 5.5V
TA = 85C, VBAT_SEC = 2V
30
TA = 85C, VBAT_SEC = 5.5V
TA = 25C, VBAT_SEC = 5.5V
25
20
15
10
5
TA = 25C, VBAT_SEC = 2V
TA = -40C, VBAT_SEC = 2V
TA = -40C, VBAT_SEC = 5.5V
0
0
-5
2
2.5
3
3.5
4
4.5
5
5.5
2
3
4
5
6
VBAT_SEC Voltage (V)
VBAT_PRI Voltage (V)
Figure 14. Quiescent Current vs VBAT_SEC Voltage: Ship
Mode
Figure 15. VBAT_PRI Leakage Current vs VBAT_PRI
Voltage
Figure 16. Startup by Taking EN Low (from Ship mode)
Figure 17. MPPT Operation
14
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