Motor Driver Boards, Modules

Part Number	Description / PDF	Quantity
MBDLT25SF Panasonic	SERVO DRIVE A6 RS485 12A 200V W/	0
VFD110C53A-21 Delta Electronics	VFD-C2000, 10HP 690V, FOC & TRQ	0
2981 Pololu Corporation	A4988 STEPPER DRIVER BLACK W/PIN	95
ASD-B2-0721-B Delta Electronics	B2 SERVO DRIVE, 750W, 230V 1PH/3	6
PB3D003M200 Sanyo Denki SanMotion Products	PB, PB, DRIVER, 3A, TYPE-M, , SI	1
2734497 Phoenix Contact	MOTOR START REV 8A 230-480V LOAD	0
ASD-B2-0421-B Delta Electronics	B2 SERVO DRIVE, 400W, 230V 1PH/3	0
ET-M8194H ICP DAS USA Inc.	ETHERNET REMOTE AUTOMATION UNIT	30
1451 Pololu Corporation	VNH5019 MOTOR DRIVER CARRIER	190
VFD004E23A Delta Electronics	VFD-E, 1/2HP 230V, MICRO VECTOR	4
BS1D200P10 Sanyo Denki SanMotion Products	STEP, F2, DRIVER, FOR BIPOLAR, D	1
1362 Pololu Corporation	HIGH-POWER MTR CTRL G2 18V15 SLD	75
R88D-KT15H Omron Automation & Safety Services	SERVO DRIVER 9.4A 230V LOAD	0
2297109 Phoenix Contact	REVERSING RELAY 500V LOAD	0
TMCM-1210 TRINAMIC Motion Control GmbH	BOARD CONTROLLER DRIVER STEPPER	12
MCDHT3520E Panasonic	SERVO DRIVER 30A 240V LOAD	23
R88D-KN08H-ECT Omron Automation & Safety Services	SERVO DRIVER 4.1A 240V LOAD	1
2900559 Phoenix Contact	MOTOR STARTER REV 2.4A 42-550V	0
MGDHTC3B4 Panasonic	SERVO DRIVER 300A 240V LOAD	0
2731830 Phoenix Contact	MOTOR START REV 8A 200-440V 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