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Part Name
Description
A3980(2011) View Datasheet(PDF) - Allegro MicroSystems
Part Name
Description
Manufacturer
A3980
(Rev.:2011)
Automotive DMOS Microstepping Driver with Translator
Allegro MicroSystems
A3980 Datasheet PDF : 18 Pages
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A3980
Automotive DMOS Microstepping Driver
with Translator
100.00
70.71
Phase 1
I
OUT1B
Direction = H
(%)
–70.71
–100.00
100.00
70.71
Phase 2
I
OUT2B
Direction = H
(%)
–70.71
–100.00
Figure 5. Full Step
STEP
100.00
92.39
83.15
70.71
55.56
Phase 1
I
OUT1B
Direction = H
(%)
38.27
19.51
0.00
–19.51
–38.27
–55.56
–70.71
–83.15
–92.39
–100.00
100.00
92.39
83.15
70.71
55.56
Phase 2
I
OUT2B
Direction = H
(%)
38.27
19.51
0.00
–19.51
–38.27
–55.56
–70.71
–83.15
–92.39
–100.00
Figure 7. Eighth Step
Slow
Mixed
100.00
70.71
Phase 1
I
OUT1B
Direction = H
(%)
–70.71
–100.00
100.00
70.71
Phase 2
I
OUT2B
Direction = H
(%)
–70.71
–100.00
Figure 6. Half Step
Mixed
Slow
Mixed
Slow
Mixed
Slow
Allegro MicroSystems, Inc.
8
115 Northeast Cutoff, Box 15036
Worcester, Massachusetts 01615-0036 (508) 853-5000
www.allegromicro.com
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