CLN17 - CLOSED-LOOP DRIVER FOR NEMA17

Project Overview

The CLN17 motor driver is an open-source, compact, high-performance closed-loop stepper motor driver designed specifically for NEMA17 form factor motors. The driver offers advanced features such as silent and smooth motion, high-precision position control, and energy-saving capabilities, making it ideal for various applications, including robotics, CNC machines, and 3D printers.

Detailed documentation at creapunk.com!

Board Diagram

Key Features

🕹️ Closed-Loop Control: Enables precise motion in challenging conditions.
💪 Adaptive Torque Control: Optimizes energy efficiency, reduces stress, and extends motor lifespan.
🧩 Reliable Operation and Enhanced Safety: Ensures reliable operation and protects users from potential harm.
🛡️ Modular Concept: Provides flexibility and cost-effectiveness through various configurations and expansion boards.

Key Specs

🔌 Wide Input Voltage Range: 5-25VDC with reverse polarity and surge protection
⚡️ Powerful Motor Control: 1.4A RMS current per phase with up to 2.5A peak and up to 1/256 microstepping
🚀 High-Performance MCU: STM32G431CB Arm Cortex-M4 running at 170MHz with Classic EN/DIR/STEP interface, CAN-Bus, I2C, UART and USB Type-C with PD2.0 support,
🔒 Compact and Durable Design: 38x38mm PCB, with optional aluminum housing for heat dissipation and mechanical protection and minimal height of 7.5mm (10mm with connectors)

Applications