BQ2947_16 Datasheet, PDF (7/24 Pages) Texas Instruments – Overvoltage Protection for 2-Series to 4-Series Cell Li-Ion Batteries

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7.6 Typical Characteristics
4.40
4.39
4.38
4.37
4.36
4.35
4.34
4.33
4.32
4.31
4.30
−50
Mean
Min
Max
−25
0
25
50
75
Temperature (°C)
100
125
G001
Figure 1. Overvoltage Threshold (Nominal = 4.35 V) vs.
Temperature
1.6
1.5
1.4
1.3
1.2
1.1
1.0
0.9
0.8
0.7
0.6
−50 −25
0
25
50
75
Temperature (°C)
100
125
G003
Figure 3. I_DD Current Consumption vs.
Temperature at VDD = 16 V
−3.68
−3.70
−3.72
−3.74
−3.76
−3.78
−3.80
−3.82
−3.84
−3.86
−3.88
−50 −25
0
25
50
75 100
Temperature (°C)
125
G005
Figure 5. Output Current I_OUT vs.
Temperature
bq2947
SLUSB15E – SEPTEMBER 2012 – REVISED FEBRUARY 2016
0.316
0.315
0.314
0.313
0.312
−50 −25
0
25
50
75
Temperature (°C)
100
125
G002
Figure 2. Hysteresis V_HYS vs. Temperature
1.8
1.6
1.4
1.2
1.0
0.8
0.6
−50 −25
0
25
50
75
Temperature (°C)
100
125
G004
Figure 4. I_CELL vs. Temperature
at V_CELL= 9.2 V
8
7
6
5
4
3
2
1
0
0
5
10
15
20
25
30
V_DD (V)
G006
Figure 6. V_OUT vs. V_DD
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