BQ40Z50-R2 Datasheet, PDF (38/51 Pages) Texas Instruments – 1-Series, 2-Series, 3-Series, and 4-Series Li-Ion Battery Pack Manager

bq40z50-R2
SLUSCS4 – JUNE 2017
9.2.3 Application Curves
±24.6
±24.8
±25.0
±25.2
±25.4
±25.6
±25.8
±40 ±20 0
20 40 60
Temperature (ƒC)
Threshold setting is –25 mV.
80 100 120
C009
Figure 37. Overcurrent Discharge Protection Threshold vs.
Temperature
±86.0
±86.2
±86.4
±86.6
±86.8
±87.0
±87.2
±40 ±20 0
20 40 60
Temperature (ƒC)
Threshold setting is –88.85 mV.
80 100 120
C011
Figure 39. Short Circuit Discharge 1 Protection Threshold
vs. Temperature
11.00
10.95
10.90
10.85
10.80
10.75
10.70
±40 ±20 0
20 40 60
Temperature (ƒC)
Threshold setting is 11 ms.
80 100 120
C013
Figure 41. Overcurrent Delay Time vs. Temperature
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87.4
87.2
87.0
86.8
86.6
86.4
86.2
±40 ±20 0
20 40 60
Temperature (ƒC)
Threshold setting is 88.85 mV.
80 100 120
C010
Figure 38. Short Circuit Charge Protection Threshold vs.
Temperature
±172.9
±173.0
±173.1
±173.2
±173.3
±173.4
±173.5
±173.6
±40 ±20 0
20 40 60
Temperature (ƒC)
Threshold setting is –177.7 mV.
80 100 120
C012
Figure 40. Short Circuit Discharge 2 Protection Threshold
vs. Temperature
452
450
448
446
444
442
440
438
436
434
432
±40 ±20 0
20 40 60
Temperature (ƒC)
Threshold setting is 465 µs.
80 100 120
C014
Figure 42. Short Circuit Charge Current Delay Time vs.
Temperature
38
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