Pololu 1367 High-Power Simple Motor Controller G2 - 24v19
Pololu 1367 High-Power Simple Motor Controller G2 - 24v19
Pololu 1367 High-Power Simple Motor Controller G2 - 24v19
The Pololu 1367 is a high-power DC motor controller designed for driving brushed DC motors up to 24V and 19A continuous current, making it ideal for robotics, autonomous systems, and industrial automation projects. Professional engineers and hobbyists rely on this controller for precise motor speed and direction control in applications requiring robust PWM-based regulation. This product solves the critical challenge of managing high-current motor loads with simple serial or analog input interfaces while maintaining thermal stability and protection against overcurrent conditions.
Product Overview
The Pololu 1367 High-Power Simple Motor Controller G2 operates on the principle of PWM (Pulse Width Modulation) to regulate motor speed and torque delivery. The controller accepts input commands via serial communication (TTL/RS-232), analog voltage inputs, or RC pulse signals, translating these into proportional motor control outputs. Its dual-channel architecture allows independent control of two DC motors or bidirectional control of a single motor, with each channel capable of handling 24V at up to 19A continuous current. The integrated H-bridge topology enables forward and reverse motor operation with smooth acceleration ramping to prevent mechanical shock and current spikes.
What distinguishes the G2 revision is its enhanced thermal management through optimized MOSFET switching, improved EMI filtering, and integrated current limiting protection that prevents damage from stalled motor conditions. The controller features a 5V logic supply input for microcontroller integration, making it compatible with Arduino, Raspberry Pi, and other embedded systems. Built-in diagnostics provide real-time feedback on motor current draw, supply voltage, and thermal status, enabling intelligent fault detection and graceful degradation in demanding applications.
Key Specifications
| Specification | Details |
| Product Type | High-Power DC Motor Controller with PWM |
| Brand | Pololu Robotics and Electronics |
| Origin | Original/Authentic |
| Warranty | 7 days on manufacturing defects |
| Shipping | 1-5 days from Bengaluru |
| Delivery | 7-8 days across India |
| Support | 24/7 via Email and WhatsApp |
| Maximum Voltage | 24V DC continuous operation |
| Maximum Current | 19A continuous per channel |
| Peak Current Rating | 25A for short durations with thermal protection |
| Control Interfaces | Serial (TTL/RS-232), Analog 0-5V, RC PWM pulse |
| Motor Channels | 2 independent channels or 1 bidirectional channel |
| Operating Temperature | -40°C to 85°C ambient |
Key Features
- Dual-channel H-bridge design enabling independent control of two motors or bidirectional single motor operation with 19A continuous current rating per channel
- Multiple input interfaces including serial TTL communication, analog voltage inputs (0-5V), and RC pulse width signals for flexible integration with various microcontrollers and systems
- Integrated thermal protection with automatic current limiting that prevents controller damage during motor stall conditions or excessive load scenarios
- Smooth acceleration ramping with adjustable acceleration profiles to minimize mechanical stress and reduce inrush current spikes in high-inertia loads
- Real-time diagnostic feedback including motor current measurement, supply voltage monitoring, and thermal status reporting for intelligent system monitoring
- Compact PCB design with screw terminals for reliable high-current connections and minimal EMI radiation in sensitive applications
Applications and Use Cases
- Autonomous mobile robots and wheeled platforms requiring independent speed control of left and right drive motors with closed-loop feedback for odometry calculations
- Industrial conveyor belt systems and material handling equipment where precise speed regulation and load-dependent current monitoring are essential for production efficiency
- Robotic arms and articulated manipulators needing coordinated motor control across multiple joints with real-time current sensing for force feedback and collision detection
- Electric vehicle propulsion systems and go-kart applications where high-current DC motor control with thermal management ensures reliable operation under sustained load conditions
- Laboratory test equipment and automation systems requiring programmable motor control with serial communication for integration into larger control architectures
- Drone landing gear actuation and payload manipulation systems where precise motor control and current limiting prevent mechanical damage to sensitive mechanisms
How to Use
Begin by connecting your power supply to the VIN and GND screw terminals, ensuring the voltage does not exceed 24V DC. Connect your DC motors to the OUT1/OUT2 and OUT3/OUT4 terminal pairs, observing correct polarity for forward rotation direction. For microcontroller integration, connect the 5V logic supply pin to your embedded system's 5V rail and establish a common ground connection. Select your preferred control interface: serial communication via the RX/TX pins requires a TTL-level serial adapter, analog control uses the ANA or ANB pins with a 0-5V voltage divider from your microcontroller's PWM output, or RC pulse control connects directly to the RC pin for hobby-grade receiver integration.
Configure the motor acceleration ramping using the provided Pololu USB Programmer interface to set acceleration profiles that match your mechanical load characteristics. Test your setup by sending incremental control commands and monitoring the motor response while observing the current draw on the controller's diagnostic output. Implement proper current limiting thresholds based on your motor specifications to prevent thermal shutdown during normal operation. For production deployments, add external capacitors across the power input terminals to stabilize voltage during rapid current transients, and consider adding a fuse or circuit breaker in the main power line for safety compliance.
Frequently Asked Questions
Can the Pololu 1367 control a single motor bidirectionally or only two motors?
The controller features two independent H-bridge channels that can be configured either as independent control for two separate motors or combined as a single bidirectional channel for one motor. In bidirectional mode, OUT1 and OUT2 form the motor terminals while OUT3 and OUT4 remain unused, allowing full forward and reverse control with smooth acceleration ramping in both directions.
What is the difference between serial, analog, and RC pulse control modes?
Serial control provides the highest precision and bandwidth through TTL-level UART communication at 9600 baud, ideal for microcontroller integration. Analog control uses a 0-5V input voltage to directly command motor speed, suitable for potentiometer-based manual control. RC pulse control accepts standard hobby servo PWM signals (1-2ms pulse width), making it compatible with RC receivers and hobby-grade systems without additional interface circuitry.
How does the thermal protection work and what happens when the controller overheats?
The Pololu 1367 includes integrated thermistor sensing that monitors the internal MOSFET junction temperature. When the temperature exceeds safe operating limits, the controller automatically reduces the PWM duty cycle to lower current draw and dissipate less heat. If temperature continues rising beyond the critical threshold, the controller enters a shutdown state and requires manual power cycling to reset. This protection prevents permanent damage from sustained overcurrent or inadequate heatsinking.
Is external heatsinking required for continuous 19A operation?
The controller can sustain 19A continuous current in typical ambient conditions without external heatsinking due to optimized MOSFET design in the G2 revision. However, in high-ambient-temperature environments above 35°C or when operating near maximum current continuously, mounting the controller on an aluminum heatsink improves thermal performance and extends operational margin before thermal limiting engages.
When will I receive my order?
Orders are dispatched within 1-5 business days from our Bengaluru warehouse. Delivery takes 7-8 days to most locations across India.
What is your return and warranty policy?
We offer a 7-day return policy on manufacturing defects only. Contact support within 7 days of receipt for free replacement or full refund. Not applicable for user damage or misuse.
Are bulk discounts available?
Yes, wholesale pricing for orders of 10 or more units. Contact our sales team via WhatsApp or email for a customized bulk quote.
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- Returns: 7-day return policy on manufacturing defects only
Buy Pololu 1367 High-Power Simple Motor Controller G2 - 24v19 Online in India
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