BQ27750 Datasheet, PDF (13/34 Pages) Texas Instruments – Impedance Track Battery Gas Gauge and Protection Solution for 1-Series Cell Li-Ion Battery Packs

www.ti.com
bq27750
SLUSCM7 – JUNE 2017
Typical Characteristics (continued)
16.9
±24.6
±24.8
16.8
±25.0
±25.2
16.7
±25.4
±25.6
16.6
±40 ±20 0
20 40 60
Temperature (ƒC)
80 100 120
C008
Figure 6. High-Frequency Oscillator vs. Temperature
87.4
±25.8
±40 ±20 0
Threshold setting is 25 mV.
20 40 60
Temperature (ƒC)
80 100 120
C009
Figure 7. Overcurrent Discharge Protection Threshold vs.
Temperature
±86.0
87.2
±86.2
87.0
±86.4
86.8
±86.6
86.6
±86.8
86.4
±87.0
86.2
±40 ±20 0
20 40 60
Temperature (ƒC)
Threshold setting is 88.8 mV.
80 100 120
C010
Figure 8. 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 10. Short Circuit Discharge 2 Protection Threshold
vs. Temperature
±87.2
±40 ±20 0
20 40 60
Temperature (ƒC)
Threshold setting is –88.8 mV.
80 100 120
C011
Figure 9. 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
Threshold setting is 11 ms.
20 40 60
Temperature (ƒC)
80 100 120
C013
Figure 11. Overcurrent Delay Time vs. Temperature
Copyright © 2017, Texas Instruments Incorporated
Product Folder Links: bq27750
Submit Documentation Feedback
13