A4985SLPTR-T Allegro Microsystems Inc, A4985SLPTR-T Datasheet - Page 17

• Manufacturer Part Number: A4985SLPTR-T
• Description: IC STEPPER MOTOR DRIVER 24TSSOP
• Manufacturer: Allegro Microsystems Inc

Specifications of A4985SLPTR-T

• Applications: Stepper Motor Driver
• Number Of Outputs: 1
• Current - Output: ± 1A
• 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
• Motor Type: Stepper
• No. Of Outputs: 2
• Output Current: 1A
• Output Voltage: 35V
• Supply Voltage Range: 3V To 5.5V
• Driver Case Style: TSSOP
• No. Of Pins: 24
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: 620-1374 - Board Eval Motor Control A4985
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant
• Other names: 620-1344-2

A4985
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
And Overcurrent Protection
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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