BQ2970 Datasheet, PDF (9/31 Pages) Texas Instruments – Cost-Effective Voltage and Current Protection Integrated Circuit

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Typical Characteristics (continued)
160
155
150
145
140
135
130
±40
±20 0 20 40 60
Temperature (ƒC)
t_UVPD, Setting = 144 ms
80 100 120
C009
Figure 9. UVP Detection Delay Time Versus Temperature
8.6
8.4
8.2
8.0
7.8
7.6
7.4
7.2
7.0
±40
±20 0 20 40 60
Temperature (ƒC)
t_OCCD, Setting = 8 ms
80 100 120
C011
Figure 11. OCC Detection Delay Time Versus Temperature
22.5
22.0
21.5
21.0
20.5
20.0
19.5
19.0
18.5
±40
±20 0 20 40 60
Temperature (ƒC)
t_UVPD, Setting = 20 ms
80 100 120
C013
Figure 13. OCD Detection Delay Time Versus Temperature
bq2970, bq2971, bq2972, bq2973
SLUSBU9C – MARCH 2014 – REVISED MARCH 2016
0.0
±0.2
±0.4
±0.6
±0.8
±1.0
±1.2
±1.4
±1.6
±1.8
±40
±20 0 20 40 60
Temperature (ƒC)
V_OCC, Setting = –100 mV
80 100 120
C010
Figure 10. OCC Detection Accuracy Versus Temperature
0.0
±0.5
±1.0
±1.5
±2.0
±2.5
±3.0
±3.5
±4.0
±40
±20 0 20 40 60
Temperature (ƒC)
V_OCD, Setting = 100 mV
80 100 120
C012
Figure 12. OCD Detection Accuracy Versus Temperature
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0.0
±40
±20 0 20 40 60
Temperature (ƒC)
V_SCC, Setting = 500 mV
80 100 120
C014
Figure 14. SCC Detection Accuracy Versus Temperature
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