MAX17040 Просмотр технического описания (PDF) - Maxim Integrated
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MAX17040 Datasheet PDF : 13 Pages
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MAX17040/MAX17041
1-Cell/2-Cell Fuel Gauge with ModelGauge
Typical Operating Characteristics
(TA = +25°C, unless otherwise noted.)
QUIESCENT CURRENT vs. SUPPLY VOLTAGE
100
80
TA = +25°C
TA = +70°C
60
40
20
TA = -20°C
0
0
1
2
3
4
5
VDD (V)
SIMPLE C/4 RATE CYCLES*
SOC ACCURACY
100
10 MAX17040 toc03
MAX17040/
90
MAX17041 SOC:
8
80
DASHED LINE
6
70
4
60
2
50
0
40
-2
30
-4
20
ERROR (%)
-6
10
REFERENCE SOC:
SOLID LINE
-8
0
-10
0 2 4 6 8 10 12 14 16 18 20 22
TIME (hr)
SIMPLE C/2 RATE CYCLES*
SOC ACCURACY
100
10 MAX17040 toc02
90
MAX17040/
MAX17041 SOC:
8
80
DASHED LINE
6
70
4
60
2
50
0
40
-2
30
-4
20
-6
10 REFERENCE SOC:
SOLID LINE
0
ERROR (%)
-8
-10
0 2 4 6 8 10 12
TIME (hr)
MAX17040 VOLTAGE ADC ERROR
vs. TEMPERATURE
20
15
VCELL = 4.2V
10
5
VCELL = 3.0V
0
-5
-10
VCELL = 3.6V
-15
-20
-40 -15 10
35
60
85
TEMPERATURE (°C)
C/2 RATE ZIGZAG PATTERN*
SOC ACCURACY
100
10 MAX17040 toc05
MAX17040/MAX17041 SOC:
90
DASHED LINE
8
80
ERROR (%)
6
70
4
60
2
50
0
40
-2
30
-4
20
-6
10 REFERENCE SOC:
-8
SOLID LINE
0
-10
0
4
8 12 16 20 22
TIME (hr)
*Sample accuracy with custom configuration data programmed into the IC.
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