Datasheet A4988 (Allegro) - 3
| Manufacturer | Allegro |
| Description | DMOS Microstepping Driver with Integrated Translator, 1/16th Step Resolution, and Automatic Decay Selection in 28-QFN (4x5) package |
| Pages / Page | 20 / 3 — DMOS Microstepping Driver. A4988. with Translator and Overcurrent … |
| File Format / Size | PDF / 1.2 Mb |
| Document Language | English |
DMOS Microstepping Driver. A4988. with Translator and Overcurrent Protection. Functional Block Diagram
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DMOS Microstepping Driver A4988 with Translator and Overcurrent Protection Functional Block Diagram
0.1 µF 0.22 µF VREG ROSC CP1 CP2 VDD Current Charge Regulator OSC Pump VCP 0.1 µF DMOS Full Bridge VBB1 REF DAC OUT1A OUT1B PWM Latch Blanking OCP SENSE1 STEP Mixed Decay DIR Gate Drive DMOS Full Bridge RS1 VBB2 RESET Control MS1 Translator Logic OUT2A MS2 OCP OUT2B MS3 PWM Latch ENABLE Blanking SENSE2 Mixed Decay SLEEP R DAC S2 VREF 3 Allegro MicroSystems 955 Perimeter Road Manchester, NH 03103-3353 U.S.A. www.allegromicro.com
0.1 µF 0.22 µF VREG ROSC CP1 CP2 VDD Current Charge Regulator OSC Pump VCP 0.1 µF DMOS Full Bridge VBB1 REF DAC OUT1A OUT1B PWM Latch Blanking OCP SENSE1 STEP Mixed Decay DIR Gate Drive DMOS Full Bridge RS1 VBB2 RESET Control MS1 Translator Logic OUT2A MS2 OCP OUT2B MS3 PWM Latch ENABLE Blanking SENSE2 Mixed Decay SLEEP R DAC S2 VREF 3 Allegro MicroSystems 955 Perimeter Road Manchester, NH 03103-3353 U.S.A. www.allegromicro.com