Motor Driver Boards, Modules

Part Number	Description / PDF	Quantity
RSWT4025E0V10 Carlo Gavazzi	3PH SSR 220-400V 25A I/P+O/L	2
RSBS2332A2V12C24 Carlo Gavazzi	1PH S/ST 230V 32A 240 CASE 6MM	0
RSGD4012E0VD210 Carlo Gavazzi	2PH S/ST 220-400V 12A I/P + O/L	2
RSE4812-B Carlo Gavazzi	SSR MOTOR SOFT START 480V 12A	6
RSBT4855CVC Carlo Gavazzi	3PH COMP S/ST 220-480V 3P MODBUS	2
RGTS24120FV00 Carlo Gavazzi	SOFT START 12A 100-240 VAC I/P:2	8
RSBS2332A2V23C24HP Carlo Gavazzi	SOFT STARTER 1PH COMPRESSOR 32AR	2
RSGD6025GGVX210 Carlo Gavazzi	2PH S/ST 220-600V 25A I/P + O/L	2
RSGD6045GGVX210 Carlo Gavazzi	2PH S/ST 220-600V 45A I/P + O/L	1
RSWT4045F0V111 Carlo Gavazzi	3PH SSR 220-400V 45A I/P+O/L	2
RSBS2325A2V12C24 Carlo Gavazzi	1PH S/ST 230V 25A 240 CASE 6MM	0
RSWT4070F0V111 Carlo Gavazzi	3PH SSR 220-400V 70A I/P+O/L	2
RSBT4870CVC Carlo Gavazzi	3PH COMP S/ST 220-480V 3P MODBUS	2
RSGD4045E0VX210 Carlo Gavazzi	2PH S/ST 220-400V 45A I/P + O/L	2
RSE2312-BS Carlo Gavazzi	MTR SFT STRT SPC 230V 12A	1
RSWT6016GGV10 Carlo Gavazzi	3PH SSR 220-600V 16A O/L	2
RGTS24120GV00 Carlo Gavazzi	SOFT STRT 12A 100-240VAC	2
RSGD6012GGVD210 Carlo Gavazzi	2PH S/ST 220-600V 12A I/P + O/L	1
RSWT6025GGV10 Carlo Gavazzi	3PH SSR 220-600V 25A O/L	2
RSWT4090F0V111 Carlo Gavazzi	3PH SSR 220-400V 90A I/P+O/L	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