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DRV8461SPWPR 数据表(PDF) 22 Page - Texas Instruments

部件名 DRV8461SPWPR
功能描述  DRV8461: 65 V, 3 A Stepper Motor Driver for High Efficiency and Noiseless Operation
PDF  117 Pages
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制造商  TI [Texas Instruments]
网页  http://www.ti.com
标志 TI - Texas Instruments

DRV8461SPWPR 数据表(HTML) 22 Page - Texas Instruments

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Table 7-7. Relative Current and Step Directions (continued)
1/8 STEP
1/4 STEP
1/2 STEP
FULL STEP 71%
AOUT CURRENT
(% FULL-SCALE)
BOUT CURRENT
(% FULL-SCALE)
ELECTRICAL
ANGLE (DEGREES)
11
6
92%
-38%
112.50
12
83%
-56%
123.75
13
7
4
2
71%
-71%
135.00
14
56%
-83%
146.25
15
8
38%
-92%
157.50
16
20%
-98%
168.75
17
9
5
0%
-100%
180.00
18
-20%
-98%
191.25
19
10
-38%
-92%
202.50
20
-56%
-83%
213.75
21
11
6
3
-71%
-71%
225.00
22
-83%
-56%
236.25
23
12
-92%
-38%
247.50
24
-98%
-20%
258.75
25
13
7
-100%
0%
270.00
26
-98%
20%
281.25
27
14
-92%
38%
292.50
28
-83%
56%
303.75
29
15
8
4
-71%
71%
315.00
30
-56%
83%
326.25
31
16
-38%
92%
337.50
32
-20%
98%
348.75
Table 7-8 shows the full step operation with 100% full-scale current for the DIR = 1 case. This stepping mode
consumes more power than full-step mode with 71% current, but provides a higher torque at high motor RPM.
Table 7-8. Full Step with 100% Current
FULL STEP 100%
AOUT CURRENT
(% FULL-SCALE)
BOUT CURRENT
(% FULL-SCALE)
ELECTRICAL ANGLE
(DEGREES)
1
100
100
45
2
100
-100
135
3
-100
-100
225
4
-100
100
315
Table 7-9 shows the noncircular 1/2–step operation for the DIR = 1 case. This stepping mode consumes more
power than circular 1/2-step operation, but provides a higher torque at high motor RPM.
Table 7-9. Non-Circular 1/2-Stepping Current
NON-CIRCULAR 1/2-STEP
AOUT CURRENT
(% FULL-SCALE)
BOUT CURRENT
(% FULL-SCALE)
ELECTRICAL ANGLE
(DEGREES)
1
0
100
0
2
100
100
45
3
100
0
90
4
100
–100
135
5
0
–100
180
6
–100
–100
225
7
–100
0
270
DRV8461
SLOSE98 – DECEMBER 2022
www.ti.com
22
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Copyright © 2022 Texas Instruments Incorporated
Product Folder Links: DRV8461



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