A4989SLDTR-T Allegro Microsystems Inc, A4989SLDTR-T Datasheet - Page 7
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A4989SLDTR-T
Manufacturer Part Number
A4989SLDTR-T
Description
DUAL FULL BRDG MOSFET DRVR W/MICROSTEP TRANS
Manufacturer
Allegro Microsystems Inc
Datasheet
1.A4989SLDTR-T.pdf
(17 pages)
Specifications of A4989SLDTR-T
Applications
Stepper Motor Controller, 2-Phase
Number Of Outputs
1
Voltage - Load
12 V ~ 50 V
Voltage - Supply
3 V ~ 5.5 V
Operating Temperature
-20°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
38-TFSOP (0.173", 4.40mm Width)
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Current - Output
-
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
620-1389-2
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
A4989SLDTR-T
Manufacturer:
CDE
Quantity:
10 000
Part Number:
A4989SLDTR-T
Manufacturer:
ALLEGRO/雅丽高
Quantity:
20 000
A4989
Table 3. Step Sequencing Settings
Home microstep position at Step Angle 45º; DIR = H
Step
Full
(#)
1
2
Step
Half
(#)
1
2
3
4
5
Step
1/4
(#)
1
2
3
4
5
6
7
8
9
Step
1/16
(#)
10
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
11
1
2
3
4
5
6
7
8
9
(% I
Phase 2
Current
100.00
100.00
100.00
TRIP(max)
18.75
29.69
37.50
46.88
56.25
64.06
70.31
76.56
82.81
87.50
92.19
95.31
98.44
98.44
95.31
92.19
87.50
82.81
76.56
70.31
64.06
56.25
46.88
37.50
29.69
18.75
0.00
9.38
9.38
0.00
)
(% I
–100.00
–100.00
Phase 1
Current
100.00
100.00
–18.75
–29.69
–37.50
–46.88
–56.25
–64.06
–70.31
–76.56
–82.81
–87.50
–92.19
–95.31
–98.44
TRIP(max)
98.44
95.31
92.19
87.50
82.81
76.56
70.31
64.06
56.25
46.88
37.50
29.69
18.75
–9.38
9.38
0.00
)
Angle
101.3
106.9
123.8
129.4
135.0
140.6
146.3
151.9
157.5
163.1
168.8
174.4
180.0
112.5
118.1
Step
16.9
22.5
28.1
33.8
39.4
45.0
50.6
56.3
61.9
67.5
73.1
78.8
84.4
90.0
95.6
11.3
(°)
0.0
5.6
Dual Full-Bridge MOSFET Driver
Step
Full
(#)
3
4
with Microstepping Translator
Step
Half
(#)
5
6
7
8
1
Step
1/4
(#)
10
11
12
13
14
15
16
9
1
Step
1/16
(#)
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
1
115 Northeast Cutoff
1.508.853.5000; www.allegromicro.com
Allegro MicroSystems, Inc.
Worcester, Massachusetts 01615-0036 U.S.A.
(% I
Phase 2
Current
–100.00
–100.00
–100.00
–18.75
–29.69
–37.50
–46.88
–56.25
–64.06
–70.31
–76.56
–82.81
–87.50
–92.19
–95.31
–98.44
–98.44
–95.31
–92.19
–87.50
–82.81
–76.56
–70.31
–64.06
–56.25
–46.88
–37.50
–29.69
–18.75
TRIP(max)
–9.38
–9.38
0.00
0.00
)
(% I
Phase 1
Current
–100.00
–100.00
–98.44
–95.31
–92.19
–87.50
–82.81
–76.56
–70.31
–64.06
–56.25
–46.88
–37.50
–29.69
–18.75
100.00
100.00
TRIP(max)
–9.38
18.75
29.69
37.50
46.88
56.25
64.06
70.31
76.56
82.81
87.50
92.19
95.31
98.44
0.00
9.38
)
Angle
180.0
185.6
191.3
196.9
202.5
208.1
213.8
219.4
225.0
230.6
236.3
241.9
247.5
253.1
258.8
264.4
270.0
275.6
281.3
286.9
292.5
298.1
303.8
309.4
315.0
320.6
326.3
331.9
337.5
343.1
348.8
354.4
360.0
Step
(°)
7