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A4988_V4 Datasheet(PDF) 8 Page - Allegro MicroSystems |
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A4988_V4 Datasheet(HTML) 8 Page - Allegro MicroSystems |
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8 / 20 page  DMOS Microstepping Driver with Translator And Overcurrent Protection A4988 8 Allegro MicroSystems, Inc. 115 Northeast Cutoff Worcester, Massachusetts 01615-0036 U.S.A. 1.508.853.5000; www.allegromicro.com Figure 2. Missed steps in low-speed microstepping Figure 3. Continuous stepping using automatically-selected mixed stepping (ROSC pin grounded) t → , 1 s/div. Step input 10 V/div. Mixed Decay No Missed Steps ILOAD 500 mA/div. t → , 1 s/div. Step input 10 V/div. Slow Decay Slow Decay Slow Decay Slow Decay Mixed Decay Mixed Decay Mixed Decay Mixed Decay Missed Step Voltage on ROSC terminal 2 V/div. |
Similar Part No. - A4988_V4 |
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