BQ27531-G1_16 Datasheet, PDF (8/34 Pages) Texas Instruments – Battery Management Unit Impedance Track Fuel Gauge

bq27531-G1
SLUSBE7C – MARCH 2013 – REVISED JANUARY 2016
7.14 Typical Characteristics
2.65
2.6
2.55
2.5
2.45
2.4
2.35
VREGIN = 2.7 V
VREGIN = 4.5 V
Temperature (qC)
D001
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8.8
8.7
8.6
8.5
8.4
8.3
8.2
8.1
8
-40 -20
0
20
40
60
Temperature (qC)
80 100
D002
Figure 2. Regulator Output Voltage vs Temperature
34
33.5
33
32.5
32
31.5
31
30.5
30
-40 -20
0
20
40
60
Temperature (qC)
80 100
D003
Figure 3. High-Frequency Oscillator Frequency vs
Temperature
5
4
3
2
1
0
-1
-2
-3
-4
-5
-30 -20 -10 0 10 20 30 40 50 60
Temperature (qC)
D004
Figure 4. Low-Frequency Oscillator Frequency vs
Temperature
Figure 5. Reported Internal Temperature Measurement vs
Temperature
8
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