Motor Driver Boards, Modules

Part Number	Description / PDF	Quantity
3284 Pololu Corporation	ROBOCLAW 2X7A MOTOR CTRL (V5C)	0
VFD4A8MS21ANSAA Delta Electronics	VFD-MS300, 1HP 0.75KW 230V 4.8A	0
MADLT01SF Panasonic	SERVO DRIVE A6 RS485 6A 100V W/	2
VFD3150C43A Delta Electronics	VFD-C2000, 425HP 460V, FOC & TRQ	0
VFD002EL21A Delta Electronics	VFD-EL, 1/4HP 230V, MICRO DRIVE	1
3753 Pololu Corporation	RAS PI DUAL G2 MTR DRVR 24V14	29
MADHT1507E Panasonic	SERVO DRIVER 10A 240V LOAD	3
MN-SERVO-PA4 ICP DAS USA Inc.	DISTRIBUTED MOTIONNET SINGLE-AXI	30
MDDHT5540 Panasonic	SERVO DRIVER 50A 240V LOAD	2
MBDHT2110E Panasonic	SERVO DRIVER 15A 120V LOAD	10
R88D-KT04H Omron Automation & Safety Services	SERVO DRIVER 2.6A 230V LOAD	1
VFD49AMS23ANSAA Delta Electronics	VFD-MS300, 15HP 11KW 230V 49A HD	0
TMCM-1180-CANOPEN TRINAMIC Motion Control GmbH	STEPPER DRIVER 5.5A 18-55V LOAD	14
VFD7A5MS21ANSHA Delta Electronics	VFD-MS300, 2HP 1.5KW 230V 7.5A H	0
2503 Pololu Corporation	ARDUINO DUAL MC33926 MTR DRVR	39
3148 Pololu Corporation	JRK G2 18V27 USB MOTOR CTRL W/FB	50
TMCM-343-H TRINAMIC Motion Control GmbH	STEPPER DRIVER 1.1A	0
ECAT-M801-32AX ICP DAS USA Inc.	ETHERCAT MASTER, MAX. 32-AXIS SY	30
3G3MX2-A4007-V1 Omron Automation & Safety Services	VARI FREQ DRIVE 3.4A 480V LOAD	1
2964173 Phoenix Contact	REVERSING RELAY 9A 110-440V LOAD	0

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