a4982 Allegro MicroSystems, Inc., a4982 Datasheet - Page 8
a4982
Manufacturer Part Number
a4982
Description
Dmos Microstepping Driver With Translator And Overcurrent Protection
Manufacturer
Allegro MicroSystems, Inc.
Datasheet
1.A4982.pdf
(19 pages)
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A4982
Figure 2. Missed steps in low-speed microstepping
Figure 3. Continuous stepping using automatically-selected mixed stepping (ROSC pin grounded)
I
Step input 10 V/div.
LOAD
Voltage on ROSC terminal 2 V/div.
Step input 10 V/div.
500 mA/div.
Decay
Slow
Missed
Step
Decay
Mixed
DMOS Microstepping Driver with Translator
Decay
Slow
Decay
Mixed
t → , 1 s/div.
t → , 1 s/div.
Mixed Decay
No Missed
Steps
Decay
Slow
and Overcurrent Protection
Decay
Mixed
Decay
Slow
115 Northeast Cutoff
1.508.853.5000; www.allegromicro.com
Allegro MicroSystems, Inc.
Worcester, Massachusetts 01615-0036 U.S.A.
Decay
Mixed
8
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