Motor Driver Boards, Modules

Part Number	Description / PDF	Quantity
ASD-A2-0721-M Delta Electronics	A2 SERVO DRIVE, 750W, 230V 1PH/3	6
VFD32AMS43AFSHA Delta Electronics	VFD-MS300, 20HP 15KW 480V 32A HD	0
VFD2A8MS21ANSAA Delta Electronics	VFD-MS300,, 1/2HP 0.4KW 230V 2.8	25
VFD037EL23A Delta Electronics	VFD-EL, 5HP 230V, MICRO DRIVE	2
VFD4A2MS43ANSHA Delta Electronics	VFD-MS300, 2HP 1.5KW 460V 4.2A H	0
VFD022E23A Delta Electronics	VFD-E, 3HP 230V, MICRO VECTOR DR	0
VFD015EL23A Delta Electronics	VFD-EL, 2HP 230V, MICRO DRIVE	0
VFD11AMS21AFSAA Delta Electronics	VFD-MS300, 3HP 2.2KW 230V 11A HD	1
VFD550C43A Delta Electronics	VFD-C2000, 75HP 460V, FOC & TRQ	0
VFD4A8MS23ANSAA Delta Electronics	VFD-MS300, 1HP 0.75KW 230V 4.8A	0
VFD022E43A Delta Electronics	VFD-E, 3HP 460V, MICRO VECTOR DR	0
VFD2A8MS21AFSAA Delta Electronics	VFD-MS300, 1/2HP 0.4KW 230V 2.8A	3
VFD1A5MS43ANSAA Delta Electronics	VFD-MS300, 1/2 HP 0.4KW 480V 1.5	6
VFD13AMS43AFSHA Delta Electronics	VFD-MS300, 7.5HP 5.5KW 480V 13A	0
VFD370C63B-21 Delta Electronics	VFD-C2000, 50HP 690V, FOC & TRQ	0
VFD17AMS43AFSHA Delta Electronics	VFD-MS300, 10HP 7.5KW 480V 17A H	0
VFD015CP23A-21 Delta Electronics	VFD-CP2000, 2HP 230V, 3PHASE INP	1
VFD007EL43A Delta Electronics	VFD-EL, 1HP 480V, MICRO DRIVE	1
VFD750C43A Delta Electronics	VFD-C2000, 100HP 460V, FOC & TRQ	0
VFD002EL11A Delta Electronics	VFD-EL, 1/4HP 115V, MICRO DRIVE	3

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