BQ24314CDSGR Datasheet, PDF (10/22 Pages) Texas Instruments – OVERVOLTAGE AND OVERCURRENT PROTECTION IC AND Li+ CHARGER FRONT-END PROTECTION IC

bq24314C
SLUSAV3 – AUGUST 2012
www.ti.com
TYPICAL OPERATING PERFORMANCE (continued)
INPUT OVERCURRENT PROTECTION
BATTERY OVERVOLTAGE PROTECTION
vs
vs
FREE-AIR TEMPERATURE
985
FREE-AIR TEMPERATURE
4.5
984
4.45
983
BV_OVP (V_BAT Increasing)
982
4.4
981
4.35
980
4.3
979
978
4.25
977
976
975
-50 -30 -10
10 30 50 70
Temperature - °C
Figure 16.
90 110 130
4.2
BV_OVP Recovery (V_BAT Decreasing)
4.15
-50 -30 -10 10 30 50 70
Temperature - °C
Figure 17.
90 110 130
LEAKAGE CURRENT (VBAT Pin)
vs
FREE-AIR TEMPERATURE
2.5
2
1.5
1
0.5
0
-50 -30 -10
10 30 50 70
Temperature - °C
Figure 18.
90 110 130
SUPPLY CURRENT
vs
INPUT VOLTAGE
900
800
700
I_DD (CE = Low)
600
500
400
300
200
100
0
0
I_STDBY (CE = High)
5
10
15
20
25
30
35
V_IN - V
Figure 19.
10
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