Motor Driver Boards, Modules

Part Number	Description / PDF	Quantity
R88D-GNA5L-ML2 Omron Automation & Safety Services	SERVO DRIVER 1.3A 120V LOAD	0
3G3MX2-A4055-V1 Omron Automation & Safety Services	VARI FREQ DRIVE 14.8A 480V LOAD	0
MFDLNA3NE Panasonic	SERVO DRIVE A6 200V 3KW RTEX	0
MGDHTC3B4NA1 Panasonic	SERVO DRIVER 300A 240V LOAD	0
2903906 Phoenix Contact	HYBRID MOTOR STARTER FOR REVERSI	0
MDDHT2412E Panasonic	SERVO DRIVER 15A 480V LOAD	0
RSGD6016GGVD210 Carlo Gavazzi	2PH SS CONT 16A 100-240V I/P + O	0
MDDHT3530B01 Panasonic	ETHERCAT DRIVE	0
SMCV6150 Altech Corporation	SOFT STARTER 15KW (Y) 26KW (D) 3	0
MBEG9A1BCVC Panasonic	CABLE PWR 120V GP SERIES MOTOR	0
BCLD050-BL23E22-01 Lin Engineering	BLDC DRIVE	0
MGDKTC3B4 Panasonic	SERVO DRIVER 300A 240V LOAD	0
RSE4803-B Carlo Gavazzi	MTR DIN MT SOFT START 480V 3A	0
MEDLN93SG Panasonic	SERVO DRIVE A6N 200V 2.4KW 80A	0
2905669 Phoenix Contact	EX I SOLENOID DRIVER FOR CONTROL	0
MDDHT3420E Panasonic	SERVO DRIVER 30A 480V LOAD	0
MADLT05NF Panasonic	SERVO DRIVE A6 200V 50W RTEX	0
MFDHTB3A2LA1 Panasonic	DRIVE SINGLE OR 3 PHASE	0
MDDLT45SF Panasonic	SERVO DRIVE A6 RS485 24A 200V W/	14
MDDLN45SE Panasonic	SERVO DRIVE A6N 200V 1KW 24A	2

Motor Driver Boards, Modules

1. Overview

Motor driver boards/modules are electronic devices that act as intermediaries between control systems (e.g., microcontrollers) and motors. They convert low-power control signals into high-power electrical currents to drive motors efficiently. These components enable precise regulation of motor speed, direction, torque, and position. Their importance spans across automation, robotics, industrial machinery, and consumer electronics, where accurate motion control is critical for system performance.

2. Main Types & Functional Classification

Type	Functional Features	Application Examples
H-Bridge Drivers	Bi-directional control using transistor bridges, basic speed regulation	DC motor direction control in robotic arms
Stepper Motor Drivers	Microstepping, position accuracy, torque control	3D printers, CNC machines
Servo Controllers	Feedback loop integration, precise angular positioning	RC vehicles, industrial automation
Brushless DC (BLDC) Drivers	Electronic commutation, high efficiency, variable speed	Drones, HVAC systems
Integrated Smart Modules	Embedded control logic, thermal protection, communication interfaces	Autonomous vehicles, medical pumps

3. Structure & Components

A typical motor driver contains:

Power Transistors: MOSFETs or IGBTs for switching high currents
Control IC: Processes PWM signals and manages commutation
Heat Sink: Aluminum-based PCB or external fins for thermal management
Protection Circuits: Overcurrent, overtemperature, and voltage spike suppression
Connectors: Screw terminals for motor wiring and control interfaces (UART/SPI)

4. Key Technical Specifications

Parameter	Importance
Max Continuous Current	Determines motor power capacity (e.g., 5A for NEMA 23 stepper)
Voltage Range	Must match motor supply (e.g., 8-45V for industrial BLDC drivers)
Efficiency (Typical >90%)	Impacts thermal performance and energy consumption
Control Resolution	Microstepping levels (e.g., 1/16-step for precision engravers)
Protection Features	Overcurrent/voltage, thermal shutdown (critical for reliability)
Communication Protocols	CAN, Modbus support for industrial IoT integration

5. Application Fields

Industrial: CNC machining centers, conveyor belt systems
Consumer: Smart home appliances, gaming consoles
Medical: MRI scanner positioning, insulin pumps
Automotive: Electric vehicle powertrains, EPS systems
Robotics: Collaborative robot joint control

6. Leading Manufacturers & Products

Manufacturer	Representative Product	Key Specifications
TI (Texas Instruments)	DRV8825	2.5A RMS, 1/32 microstepping, thermal shutdown
STMicroelectronics	L6470	3.0A peak, SPI interface, stall detection
ON Semiconductor	MC33926	3.0A continuous, bidirectional control
Maxon Motor	EPOS4 Compact	50A peak, EtherCAT interface, encoder feedback

7. Selection Guidelines

Match driver current/voltage ratings to motor specifications
Select control mode (PWM, analog, digital) based on system requirements
Consider environmental factors (temperature, vibration)
Verify required protection features (IP rating for harsh environments)
Evaluate integration needs (footprint, communication protocols)
Balance cost vs. performance for volume production

8. Industry Trends

Emerging trends include:

Integration: System-on-Chip (SoC) drivers combining control and power stages
Smart Diagnostics: Built-in current sensing and predictive maintenance algorithms
Wide Bandgap Semiconductors: SiC/GaN transistors enabling higher switching frequencies
Wireless Control: Bluetooth/Wi-Fi-enabled drivers for IoT applications
Miniaturization: Chip-scale packaging for space-constrained applications