BQ27742-G1 Datasheet, PDF (15/46 Pages) Texas Instruments – Single-Cell Li-Ion Battery Fuel Gauge with Programmable Hardware Protection

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Typical Characteristics (continued)
34.00
33.50
33.00
32.50
32.00
31.50
31.00
30.50
30.00
29.50
29.00
±40 ±30 ±20 ±10 0 10 20 30 40 50 60 70 80
Temperature (ƒC)
C001
Figure 9. Undervoltage Delay Time
34.00
33.50
33.00
32.50
32.00
31.50
31.00
30.50
30.00
29.50
29.00
±40 ±30 ±20 ±10 0 10 20 30 40 50 60 70 80
Temperature (ƒC)
C001
Figure 11. Overcurrent in Discharge Delay vs Temperature
170
165
160
155
150
145
140
VPWR = 2.8V
135
VPWR = 3.7V
130
-40 -30 -20 -10
0 10 20 30 40
Temperature (ƒC)
VPWR = 4.2V
50 60 70 80
C020
Performance with C_L = 4 nF
Figure 13. FET Gate Rise Time vs Temperature
bq27742-G1
SLUSBV9C – MARCH 2014 – REVISED FEBRUARY 2016
9.00
8.80
8.60
8.40
8.20
8.00
7.80
7.60
7.40
7.20
7.00
6.80
±40 ±30 ±20 ±10 0 10 20 30 40 50 60 70 80
Temperature (ƒC)
C001
Figure 10. Overcurrent in Charge Delay Time vs
Temperature
350
345
340
335
330
325
320
315
310
305
300
295
290
285
280
±40 ±30 ±20 ±10 0 10 20 30 40 50 60 70 80
Temperature (ƒC)
C001
Figure 12. Short-Circuit in Discharge Delay vs Temperature
39
38
37
36
35
34
VPWR = 2.8V
33
VPWR = 3.7V
32
-40 -30 -20 -10
0 10 20 30 40
Temperature (ƒC)
VPWR = 4.2V
50 60 70 80
C021
Performance with C_L = 4 nF
Figure 14. FET Gate Fall Time vs Temperature
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