A4982 Просмотр технического описания (PDF) - Allegro MicroSystems
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A4982 Datasheet PDF : 20 Pages
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A4982
DMOS Microstepping Driver with Translator
And Overcurrent Protection
Slow
Decay
Mixed
Decay
Slow Mixed
Decay Decay
Slow
Decay
Mixed
Decay
Slow Mixed
Decay Decay
Missed
Step
Voltage on ROSC terminal 2 V/div.
Step input 10 V/div.
t → , 1 s/div.
Figure 2. Missed steps in low-speed microstepping
ILOAD 500 mA/div.
Mixed Decay
No Missed
Steps
Step input 10 V/div.
t → , 1 s/div.
Figure 3. Continuous stepping using automatically-selected mixed stepping (ROSC pin grounded)
Allegro MicroSystems, Inc.
8
115 Northeast Cutoff
Worcester, Massachusetts 01615-0036 U.S.A.
1.508.853.5000; www.allegromicro.com
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