A3977SEDTR-T Allegro Microsystems Inc, A3977SEDTR-T Datasheet - Page 11
![LEAD FREE A3977SEDTR](/photos/7/44/74485/a3977sedtr-t_sml.jpg)
A3977SEDTR-T
Manufacturer Part Number
A3977SEDTR-T
Description
LEAD FREE A3977SEDTR
Manufacturer
Allegro Microsystems Inc
Datasheet
1.A3977SEDTR-T.pdf
(18 pages)
Specifications of A3977SEDTR-T
Rohs Compliant
YES
Applications
Stepper Motor Driver
Number Of Outputs
1
Current - Output
±2.5A
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
44-LCC (J-Lead)
Motor Type
Stepper
No. Of Outputs
2
Output Current
2.5A
Output Voltage
35V
Supply Voltage Range
3V To 5.5V
Driver Case Style
LCC
No. Of Pins
44
Operating Temperature Range
-20°C To +85°C
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
620-1146-2
A3977SEDTR-T
A3977SEDTR-T
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
A3977SEDTR-T
Manufacturer:
ALLEGRO
Quantity:
1 500
Company:
Part Number:
A3977SEDTR-T
Manufacturer:
Allegro MicroSystems, LLC
Quantity:
10 000
* Home state; HOME output low.
A3977
Step #
Full
1
2
3
4
Step #
Half
1
2
3
4
5
6
7
8
Quarter
Step #
Microstepping DMOS Driver with Translator
10
12
13
14
15
16
11
1
2
3
4
5
6
7
8
9
Table 2. Step Sequencing
Eighth
Step #
10
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
11
(DIR = L)
1
2
3
4
5
6
7
8
9
[%I
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
trip
0.00
0.00
max]
[%I
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
trip
0.00
0.00
115 Northeast Cutoff
1.508.853.5000; www.allegromicro.com
Allegro MicroSystems, Inc.
Worcester, Massachusetts 01615-0036 U.S.A.
max]
101.25
123.75
146.25
157.50
168.75
191.25
202.50
213.75
236.25
247.50
258.75
281.25
292.50
303.75
326.25
337.50
348.75
112.50
Angle
22.50
33.75
56.25
67.50
78.75
11.25
Step
135
180
225
270
315
45*
90
0
11