Motor Driver Boards, Modules

Part Number	Description / PDF	Quantity
MDDKT5540E Panasonic	SERVO DRIVER 50A 240V LOAD	0
3G3RV-P10ST8-E Omron Automation & Safety Services	INVERTER PLC OPTION STD TYPE	0
MEDHT7364BA1 Panasonic	ETHERCAT DRIVE	0
ASD-A2-0221-M Delta Electronics	A2 SERVO DRIVE, 200W, 230V 1PH/3	0
MDDHT5540BA1 Panasonic	ETHERCAT DRIVE	0
RVCFC3200750 Carlo Gavazzi	VFD 230V 3PH 7.5KW SIZE 3	0
TMCM-1231-TMCL TRINAMIC Motion Control GmbH	STEPPER DRIVER 6.5A 10-52V	9
R88D-GN15H-ML2 Omron Automation & Safety Services	SERVO DRIVER 9.8A 240V LOAD	0
MEDLT83SF Panasonic	SERVO DRIVE A6N 200V 2KW 60A	0
VFD075CP4EB-21 Delta Electronics	VFD-CP2000, 10HP 460V, 3PHASE IN	1
MADHT1507L01 Panasonic	DRIVE SINGLE OR 3 PHASE	0
3G3MX2-A2150-V1 Omron Automation & Safety Services	VARI FREQ DRIVE 60A 240V LOAD	0
FQM1S-MC233 Omron Automation & Safety Services	2M 4COND 22AWG TPE ST MALE M12	0
R88D-KT30H Omron Automation & Safety Services	SERVO DRIVER 18.7A 240V LOAD	0
ASD-A2-2023-E Delta Electronics	A2 SERVO DRIVE, 2KW, 230V 3PH, E	0
79238959 Crouzet	BDE30 (EXTERNAL DRIVE FOR BRUSHL	0
RSWT4090F0V011 Carlo Gavazzi	3PH MTR SS 90A 24VAC/DC	0
VFD9A0MS43MNSAA Delta Electronics	VFD-MS300, 5HP 3.7KW 460V 9.0A H	0
VFD1A5MS43MFSAA Delta Electronics	VFD-MS300, 0.5HP 0.4KW 460V 1.5A	0
VFD015E21A Delta Electronics	VFD-E, 2HP 230V, MICRO VECTOR DR	5

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