A3983SLP Allegro Microsystems Inc, A3983SLP Datasheet - Page 10

• Manufacturer Part Number: A3983SLP
• Description: IC DRIVER MICROSTEPPING 24-TSSOP
• Manufacturer: Allegro Microsystems Inc

Specifications of A3983SLP

• Applications: Stepper Motor Driver
• Number Of Outputs: 1
• Current - Output: ±2A
• Voltage - Load: 8 V ~ 35 V
• Voltage - Supply: 3 V ~ 5.5 V
• Operating Temperature: -20°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 24-TSSOP Exposed Pad, 24-eTSSOP, 24-HTSSOP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

A3983
Table 2. Step Sequencing Settings
Home microstep position at Step Angle 45º; DIR = H
Step
Full
#
1
2
3
4
DMOS Microstepping Driver with Translator
Step
Half
#
1
2
3
4
5
6
7
8
Step
1/4
10
12
13
14
15
16
11
#
1
2
3
4
5
6
7
8
9
Step
1/8
10
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
11
#
1
2
3
4
5
6
7
8
9
[% I tripMax ]
Phase 1
Current
–100.00
100.00
–19.51
–38.27
–55.56
–70.71
–83.15
–92.39
–98.08
–98.08
–92.39
–83.15
–70.71
–55.56
–38.27
–19.51
98.08
92.39
83.15
70.71
55.56
38.27
19.51
19.51
38.27
55.56
70.71
83.15
92.39
98.08
0.00
0.00
(%)
[% I tripMax ]
Phase 2
Current
–100.00
100.00
–19.51
–38.27
–55.56
–70.71
–83.15
–92.39
–98.08
–98.08
–92.39
–83.15
–70.71
–55.56
–38.27
–19.51
19.51
38.27
55.56
70.71
83.15
92.39
98.08
98.08
92.39
83.15
70.71
55.56
38.27
19.51
0.00
0.00
(%)
Angle
101.3
123.8
135.0
146.3
157.5
168.8
180.0
191.3
202.5
213.8
225.0
236.3
247.5
258.8
270.0
281.3
292.5
303.8
315.0
326.3
337.5
348.8
112.5
Step
11.3
22.5
33.8
45.0
56.3
67.5
78.8
90.0
0.0
(º)
115 Northeast Cutoff, Box 15036
Allegro MicroSystems, Inc.
Worcester, Massachusetts 01615-0036 [phone]
www.allegromicro.com
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