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5pcs A4988 Stepper Motor Driver Module, 35 V 2 A Output, 1/16 Microstepping, with Heatsink
- Integrated A4988 Microstepping Control A4988 stepper motor driver module for bipolar motors; supports full, 1/2, 1/4, 1/8, and 1/16 microstepping; simple STEP and DIR pulse interface removes complex phase control; enables smooth and precise motion control with minimal firmware load; Wide Motor Voltage And Current Range Motor supply voltage up to 35 V DC; maximum output current up to 2.0 A with Rs value of 0.1 and proper cooling; low RDS on output stage improves efficiency; suitable for stable torque output in compact motion systems; Smart Current Decay Management Fixed offtime current regulation with automatic slow or mixed decay selection; mixed decay combines fast and slow current reduction; helps lower audible motor noise, improves microstep accuracy, and reduces heat during continuous operation; Comprehensive Protection Features Builtin thermal shutdown with hysteresis, undervoltage lockout, and crosscurrent protection; internal synchronous rectification lowers power loss during PWM operation; no special powerup sequence required, improving reliability during repeated restarts; Controller And System Compatibility Logic inputs compatible with 3.3 V and 5 V controllers; MS pins allow easy microstep selection; green PCB includes a heatsink for better thermal handling; compatible with for Arduinobased control boards used in printers and motion projects
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Product Overview A4988 Stepper Motor Driver Module (Green PCB) with heatsink. Integrated microstepping driver designed for bipolar stepper motors. Simple STEP/DIR interface, low noise operation, and comprehensive protection make it ideal for 3D printers and motion control systems.
1.
Product Parameters Driver IC: A4988
Motor Type: Bipolar stepper motor
Motor Supply Voltage (VMOT): Up to 35 V DC Logic
Supply Voltage (VDD): 3.3 V / 5 V compatible Max
Output Current: 2.0 A (Rs = 0.1, with adequate cooling)
Microstep Modes: Full, 1/2, 1/4, 1/8, 1/16
Current Regulation: Fixed offtime, slow / mixed decay
Protection Features: Thermal shutdown, UVLO, crosscurrent protection
Rectification: Internal synchronous rectification
PCB Type: Green board, with heatsink
2.
Pin Function Description VMOT: Motor power input positive
GND: Power ground
VDD: Logic power input
STEP: Step pulse input
DIR: Direction control input
EN: Enable control, active low MS1 / MS2 /
MS3: Microstep resolution selection
RESET: Driver reset input
SLEEP: Lowpower sleep control 1A / 1B: Motor phase
A outputs 2A / 2B: Motor phase B outputs
3. Common Questions & Answers (FAQ)
Q1: What type of motors can this driver control?
A1: It supports bipolar stepper motors used in 3D printers and CNC machines.
Q2: What is the maximum current output?
A2: Up to 2A with correct current setting and proper heatsinking.
Q3: Does this module support microstepping?
A3: Yes, up to 1/16 microstepping via MS pins.
Q4: Can it be used with 3.3V controllers?
A4: Yes, logic inputs are compatible with 3.3V and 5V.
Q5: Does it include protection features?
A5: Yes, it includes thermal, undervoltage, and shortcircuit protection.
1.
Product Parameters Driver IC: A4988
Motor Type: Bipolar stepper motor
Motor Supply Voltage (VMOT): Up to 35 V DC Logic
Supply Voltage (VDD): 3.3 V / 5 V compatible Max
Output Current: 2.0 A (Rs = 0.1, with adequate cooling)
Microstep Modes: Full, 1/2, 1/4, 1/8, 1/16
Current Regulation: Fixed offtime, slow / mixed decay
Protection Features: Thermal shutdown, UVLO, crosscurrent protection
Rectification: Internal synchronous rectification
PCB Type: Green board, with heatsink
2.
Pin Function Description VMOT: Motor power input positive
GND: Power ground
VDD: Logic power input
STEP: Step pulse input
DIR: Direction control input
EN: Enable control, active low MS1 / MS2 /
MS3: Microstep resolution selection
RESET: Driver reset input
SLEEP: Lowpower sleep control 1A / 1B: Motor phase
A outputs 2A / 2B: Motor phase B outputs
3. Common Questions & Answers (FAQ)
Q1: What type of motors can this driver control?
A1: It supports bipolar stepper motors used in 3D printers and CNC machines.
Q2: What is the maximum current output?
A2: Up to 2A with correct current setting and proper heatsinking.
Q3: Does this module support microstepping?
A3: Yes, up to 1/16 microstepping via MS pins.
Q4: Can it be used with 3.3V controllers?
A4: Yes, logic inputs are compatible with 3.3V and 5V.
Q5: Does it include protection features?
A5: Yes, it includes thermal, undervoltage, and shortcircuit protection.
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- Return for refund within: 30 days
- Return for replacement within: 30 days
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