Description
20D-BD Dual Channel 20A Brushed Motor Controller
The 20D-BD Dual Channel Brushed Motor Controller is a high-performance electronic speed controller (ESC) designed for robotics, RC vehicles, and automation projects. Engineered for precision and power, this controller supports dual-channel brushed motors with 20A continuous current per channel, making it ideal for demanding applications.
Equipped with a built-in BEC (Battery Eliminator Circuit), it delivers a stable 5V output (100mA max), eliminating the need for an additional power supply for control electronics. The controller is compatible with standard RC servo signals, ensuring seamless integration with receivers, microcontrollers, and control systems.
Supporting an input voltage range of 11V–17V (3S–4S LiPo batteries), the 20D-BD offers flexibility across various power setups. With peak current support up to 45A per channel, it provides extra power when needed for high-load operations.
Designed with compact dimensions and lightweight construction, this motor controller is perfect for projects where space and weight are critical. Whether you're building robotic platforms, RC vehicles, or automation systems, this controller delivers reliable and efficient motor control.
Key Features:
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Dual Channel Motor Control – Controls two brushed DC motors independently.
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20A Continuous Current per Channel – Reliable performance for demanding applications.
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45A Peak Current Support – Handles surge loads efficiently.
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Built-in BEC – Provides stable 5V 100mA output for control electronics.
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Wide Voltage Range – Supports 11V–17V (3S–4S LiPo batteries).
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Servo Signal Compatibility – Works with standard RC PWM signals.
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Brake Function Included – Enables controlled stopping of motors.
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Signal Loss Protection – Ensures safety during communication failure.
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Compact & Lightweight Design – Ideal for space-constrained projects.
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High-Quality Silicone Wires – Durable and efficient power transmission.
Technical Specifications
| Parameter | Specification |
|---|---|
| Model | 20D-BD |
| Product Type | Dual Channel Brushed Motor Controller (ESC) |
| Input Voltage | 11V – 17V (3S–4S LiPo) |
| Continuous Current | 20A per Channel |
| Peak Current | 45A per Channel |
| Channels | 2 (Dual Channel) |
| BEC Output | 5V, 100mA Max |
| Input Signal | Standard Servo PWM |
| Signal Range | 1100 – 1900 µs |
| Throttle Center | 1460 – 1540 µs |
| Dead Band | 40 µs |
| Brake Function | Yes |
| Signal Loss Protection | Yes |
| Input Wire | 14 AWG Silicone (Red & Black) |
| Output Wire | 16 AWG Silicone (Yellow & Blue) |
Applications
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RC Cars and Vehicles
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Robotics and Automation Projects
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Tracked Robots and Rovers
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DIY Motor Control Systems
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Battle Bots and Combat Robots
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Industrial Prototyping
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Educational Robotics Projects
Precautions
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Use only within the recommended voltage range (11V–17V).
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Ensure proper wiring to avoid short circuits or reverse polarity.
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Do not exceed the current limits (20A continuous).
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Install in a well-ventilated area to prevent overheating.
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Verify correct servo signal calibration before operation.
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Disconnect power when making wiring changes.




