A4988 driver Stepper Motor Driver

• Wide Operating Voltage: The driver operates from 8V to 35V, providing flexibility for different project requirements.
• Current Capability: It can deliver up to approximately 1A per phase without a heat sink, and up to 2A per coil with sufficient cooling.
• Advanced Current Regulation: The A4988 features a fixed off-time current regulator, which can operate in slow or mixed decay modes. This regulation helps minimize audible motor noise and enhances step accuracy.
• Simplified Interface: The built-in translator makes it easy to implement the A4988 without the need for complex programming or high-frequency control interfaces.
• Synchronous Rectification: The internal synchronous rectification control circuitry improves efficiency during pulse width modulation (PWM) operation, reducing power consumption.
• Comprehensive Protection: The driver includes multiple protection features, such as thermal shutdown with hysteresis, under-voltage lockout (UVLO), and crossover current protection, ensuring reliable operation and extended longevity.
• Flexible Micro-Stepping: The A4988 offers five different step resolutions: full, half, quarter, eighth, and sixteenth steps, allowing for precise control over motor movements.

• Compact QFN Package: The A4988 comes in a compact 5mm x 5mm QFN package, with a nominal overall height of 0.90mm, featuring an exposed thermal pad to enhance heat dissipation.
• Enhanced Durability: The high-quality version of the A4988 features additional PCB layers and gold-plated connecting pins, ensuring better durability and conductivity compared to standard versions.

• 3D Printers: Ideal for driving stepper motors with precision in 3D printing applications.
• CNC Machines: Provides accurate control for CNC machine motors.
• Robotics: Suitable for various robotic applications requiring precise motor control.
• Automated Systems: Perfect for use in automated systems that demand reliable stepper motor control.

• Operating Voltage: 8V - 35V
• Maximum Current: 2A per coil with additional cooling
• Micro-Stepping Options: Full, 1/2, 1/4, 1/8, 1/16
• Protection Features: Thermal shutdown, UVLO, crossover current protection
• Dimensions: 5mm x 5mm x 0.90mm

Elevate your motor control projects with the A4988 Stepper Motor Driver, offering precision, reliability, and ease of use. Whether you’re working on 3D printing, CNC machines, or other automated systems, the A4988 provides the performance you need to achieve optimal results.