a4983 Allegro MicroSystems, Inc., a4983 Datasheet - Page 11

• Manufacturer Part Number: a4983
• Description: Dmos Microstepping Driver With Translator
• Manufacturer: Allegro MicroSystems, Inc.

A4983
Figure 2. Decay Mode for Full-Step Increments
Figure 4. Decay Modes for Quarter-Step Increments
Direction = H
Direction = H
Phase 1
Phase 2
STEP
I
I
OUT1A
OUT2A
(%)
(%)
–100.00
–100.00
100.00
–70.71
100.00
–70.71
Direction = H
Direction = H
70.71
70.71
0.00
0.00
Phase 1
Phase 2
STEP
I
I
OUT1A
OUT2B
(%)
(%)
–100.00
–100.00
100.00
–38.27
–70.71
–92.39
100.00
–38.27
–70.71
–92.39
92.39
70.71
38.27
92.39
70.71
38.27
0.00
0.00
Slow
DMOS Microstepping Driver with Translator
Slow
Slow
Mixed
Slow
Mixed
Slow
Mixed
Figure 3. Decay Modes for Half-Step Increments
Slow
Direction = H
Direction = H
Phase 1
Phase 2
STEP
I
I
OUT1A
OUT2B
Mixed
(%)
(%)
Slow
–100.00
–100.00
100.00
–70.71
100.00
–70.71
70.71
70.71
0.00
0.00
Mixed
Mixed
Slow
Slow
Slow
Mixed
Slow
115 Northeast Cutoff, Box 15036
Allegro MicroSystems, Inc.
Worcester, Massachusetts 01615-0036 [phone]
www.allegromicro.com
Mixed
Slow
Mixed
Slow
Mixed
Slow
Mixed
Slow
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