BQ24314EVM Datasheet, PDF (9/26 Pages) Texas Instruments – OVERVOLTAGE AND OVERCURRENT PROTECTION IC

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bq24314
bq24316
SLUS763C – JULY 2007 – REVISED OCTOBER 2007
TYPICAL OPERATING PERFORMANCE (continued)
BATTERY OVERVOLTAGE PROTECTION
vs
FREE-AIR TEMPERATURE
4.4
4.35
4.3
BV_OVP (V_VBAT Increasing)
4.25
LEAKAGE CURRENT (VBAT Pin)
vs
FREE-AIR TEMPERATURE
2.5
2
1.5
4.2
1
4.15
0.5
4.1
Bat-OVP Recovery (V_VBAT Decreasing)
4.05
-50 -30 -10 10 30 50 70
Temperature - °C
Figure 20.
90 110 130
0
-50 -30 -10
SUPPLY CURRENT (bq24314)
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
V_IN - V
Figure 22.
10 30 50 70
Temperature - °C
Figure 21.
35
90 110 130
Copyright © 2007, Texas Instruments Incorporated
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