ACS715
Automotive Grade, Fully Integrated, Hall Effect-Based Linear Current Sensor IC
with 2.1 kVRMS Voltage Isolation and a Low-Resistance Current Conductor
Characteristic Performance
I P = 20 A, unless otherwise specified
Mean Supply Current versus Ambient Temperature
10.5
10.4
10.3
11.2
11.0
10.8
Supply Current versus Supply Voltage
10.2
10.1
10.0
9.9
9.8
9.7
V CC = 5 V
10.6
10.4
10.2
10.0
9.8
9.6
-50
-25
0
25
50
75
100
125
150
9.6
4.5
4.6
4.7
4.8
4.9
5.0
5.1
5.2
5.3
5.4
5.5
T A (°C)
Magnetic Offset versus Ambient Temperature
0
–0.5
–1.0
–1.5
–2.0
V CC (V)
Nonlinearity versus Ambient Temperature
0.35
0.30
0.25
0.20
–2.5
–3.0
–3.5
–4.0
–4.5
–5.0
V CC = 5 V; I P = 0 A,
After excursion to 20 A
0.15
0.10
0.05
0
-50
-25
0
25
50
75
100
125
150
–50
–25
0
25
50
75
100
125
150
T A (°C)
Mean Total Output Error versus Ambient Temperature
10
8
6
4
2
0
–2
–4
–6
–8
188
187
186
185
184
183
182
T A (°C)
Sensitivity versus Ambient Temperature
–50
–25
0
25
50
75
100
125
150
–50
–25
0
25
50
75
100
125
150
T A (°C)
T A (°C)
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
Output Voltage versus Sensed Current
V CC = 5 V
T A (°C)
–40
–20
25
85
125
200.00
198.00
196.00
194.00
192.00
190.00
188.00
186.00
184.00
182.00
180.00
178.00
176.00
Sensitivity versus Sensed Current
T A (°C)
–40
25
85
150
0
0
5
10
15
20
25
174.00
0
5
10
15
20
25
I P (A)
0 A Output Voltage versus Ambient Temperature
525
Ip (A)
0 A Output Voltage Current versus Ambient Temperature
0.140
520
515
510
505
500
495
490
I P = 0 A
0.120
0.100
0.080
0.060
0.040
0.020
0
-0.020
-0.040
I P = 0 A
-50
-25
0
25
50
75
100
125
150
-50
-25
0
25
50
75
100
125
150
T A (°C)
T A (°C)
Allegro MicroSystems, LLC
115 Northeast Cutoff, Box 15036
Worcester, Massachusetts 01615-0036 (508) 853-5000
www.allegromicro.com
7
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