Description
Product Overview
The Premium PWM DC Motor Controller (V2.1) is a specialized, high-performance single-channel motor speed regulator designed for precise 12V DC motor control. Unlike dual H-Bridge modules that handle direction and speed, this enhanced driver board focuses exclusively on delivering smooth, efficient, and adjustable speed control for applications where simple on/off and variable speed are required .
This V2.1 version features an enhanced drive board design with upgraded components, improved thermal management, and a dedicated heat sink. It serves as the ideal solution for controlling conveyor belts, cooling fans, DC pumps, small automation equipment, DIY tools, and 12V lighting systems. Simply connect your power source and motor, and use the onboard potentiometer to dial in the exact speed you need—no microcontroller or programming required .
Whether you are a hobbyist building a custom fan controller, a technician retrofitting industrial equipment, or a business integrating speed control into a product line, this controller offers a professional, reliable, and cost-effective solution.
Key Features
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Dedicated PWM Speed Control: Designed specifically for variable speed control of 12V brushed DC motors. Provides smooth, continuous adjustment from 0% to 100% duty cycle .
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Enhanced V2.1 Drive Circuit: Features upgraded power components and refined circuit layout for improved efficiency, reduced ripple, and cleaner output compared to basic PWM modules .
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3A Continuous Current Capacity: Reliably handles motors drawing up to 3A continuously, with a maximum load rating of 90W, suitable for a wide range of 12V devices .
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Integrated Heat Sink: Includes a dedicated aluminum heat sink on the main power component to efficiently dissipate heat during continuous operation, ensuring long-term reliability .
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Onboard Precision Potentiometer: Built-in 10KΩ potentiometer (variable resistor) allows for instant, tool-free speed adjustment. The knob provides smooth, linear control across the entire speed range .
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Wide Frequency Range: Supports PWM frequencies from 1kHz to 10kHz, allowing you to optimize for quiet operation or motor efficiency depending on your application .
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Independent Power Design: Control circuit and power circuit are independently designed for enhanced stability and to minimize interference with other connected devices .
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LED Operation Indicator: Features a power indicator LED that illuminates when the controller is receiving power, providing clear operational status at a glance .
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Screw Terminal Connections: Heavy-duty screw terminals for secure and reliable connections to your power supply and motor, eliminating concerns about loose wires during operation .
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Compact Form Factor: Small footprint allows for easy mounting inside enclosures or onto chassis rails without taking up excessive space .
Technical Specifications
| Parameter | Operating Value |
|---|---|
| Supply Voltage | 12V DC |
| Output Current (Continuous) | 3A |
| Maximum Load Power | 90W |
| Control Method | PWM (Pulse Width Modulation) |
| PWM Frequency Range | 1kHz – 10kHz |
| Duty Cycle Adjustment Range | 0% – 100% |
| Adjustment Method | Onboard 10KΩ Potentiometer |
| Standby Current | < 20mA |
| Operating Temperature | -20°C to +60°C |
| Board Dimensions (L x W) | 50mm x 30mm (approx.) |
| Heat Sink Included | Yes |
| Mounting Holes | 2 (3mm diameter) |
| Weight | 15g (approx.) |
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