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Pololu 3543 Motor Driver and Power Distribution Board for Romi Chassis
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SKU: TES-EV02588
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Pololu 3543 Motor Driver and Power Distribution Board for Romi Chassis
The Pololu 3543 is a specialized motor driver and power distribution board engineered specifically for the Romi chassis ecosystem, providing integrated dual motor control with onboard power management capabilities. Roboticists, embedded systems engineers, and educational institutions utilize this board to build autonomous mobile robots with precise motor speed and direction control while managing power distribution from a single battery source. This product solves the critical challenge of coordinating motor actuation with power delivery in compact robot platforms, eliminating the need for external motor drivers and distribution modules.
Product Overview
The Pololu 3543 motor driver and power distribution board combines two essential functions into a single PCB solution designed for seamless integration with Romi chassis platforms. The board features dual 1.2A continuous motor drivers capable of bidirectional control, allowing independent speed regulation and direction switching for left and right wheel motors. The integrated power distribution circuitry manages voltage regulation from the main battery pack, providing stable power to both motors and auxiliary components through dedicated output connectors. This consolidated approach reduces wiring complexity, minimizes voltage drops across multiple connection points, and ensures synchronized power delivery critical for balanced robot locomotion.
The board operates on the principle of H-bridge motor control architecture, where each motor channel utilizes complementary MOSFET pairs to enable forward, reverse, and dynamic braking operations. The power distribution section incorporates voltage regulation stages that maintain consistent output levels despite fluctuations in battery voltage, essential for maintaining predictable motor performance throughout the discharge cycle. The design includes integrated protection features such as current limiting and thermal shutdown mechanisms, safeguarding both the board and connected motors from damage due to stalled conditions or excessive current draw. The compact form factor allows direct mounting onto Romi chassis platforms without requiring additional mechanical modifications.
Key Specifications
| Specification | Details |
| Product Type | Motor Driver and Power Distribution Board |
| 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 |
| Motor Channels | 2 independent channels for dual motor control |
| Continuous Current Rating | 1.2A per channel |
| Peak Current Rating | 2.5A per channel |
| Operating Voltage Range | 4.5V to 11V DC |
| Control Interface | PWM speed control with digital direction pins |
Key Features
- Dual independent motor channels enabling simultaneous left and right wheel control with individual speed and direction regulation for precise robot navigation
- Integrated power distribution with voltage regulation providing stable output to motors and auxiliary circuits despite battery voltage variations
- Bidirectional motor control supporting forward, reverse, and dynamic braking modes essential for responsive robot maneuvers
- PWM speed control interface allowing microcontroller-based speed regulation from 0 to 100 percent motor power
- Compact form factor optimized for direct integration with Romi chassis without external mounting hardware
- Built-in current limiting and thermal shutdown protection safeguarding against motor stalling and overcurrent conditions
Applications and Use Cases
- Educational robotics projects including STEM competitions and university mobile robot platforms requiring coordinated dual motor control
- Autonomous navigation systems where synchronized motor operation is critical for maintaining straight-line motion and precise turning
- Research platforms for robot kinematics and dynamics studies utilizing the Romi chassis as a standardized mobile base
- Line-following and obstacle-avoidance robots requiring rapid motor speed adjustments based on sensor feedback
- Swarm robotics implementations where multiple Romi platforms equipped with this board coordinate movement patterns
How to Use
Begin by securely mounting the Pololu 3543 board onto your Romi chassis using the provided mounting holes and standoffs, ensuring proper alignment with the motor connectors. Connect the left and right wheel motors to the designated motor output connectors, observing correct polarity to ensure forward motion when positive control signals are applied. Connect the battery pack to the main power input connector, which typically accepts 4 to 8 AA batteries or equivalent 4.5V to 11V DC source. The board will automatically regulate voltage to the motors while providing clean power distribution to onboard microcontroller and sensor circuits.
Interface the motor control pins to your microcontroller or robot control board using PWM signals for speed control and digital GPIO pins for direction selection. Configure your microcontroller software to generate PWM frequencies between 10kHz and 20kHz for optimal motor performance and minimal audible noise. Use the speed control pins to vary the duty cycle from 0 to 100 percent, with intermediate values producing proportional motor speeds ideal for smooth acceleration and deceleration profiles. Test motor operation in both directions and verify that both channels respond identically to identical control signals, indicating proper power distribution and balanced motor performance across your robot platform.
Frequently Asked Questions
What is the maximum continuous current per motor channel?
The Pololu 3543 provides 1.2A continuous current per motor channel with peak ratings up to 2.5A. This specification ensures reliable operation of standard Romi-compatible motors under normal load conditions. Exceeding continuous ratings for extended periods may trigger thermal shutdown protection and reduce board lifespan.
Can I use this board with motors rated above 1.2A?
The board is specifically designed for motors matching the Romi chassis specifications, typically drawing 0.5A to 1.0A per motor during normal operation. Using motors with higher current requirements may cause the board to enter thermal shutdown or damage internal MOSFETs. For higher current applications, consider Pololu's larger motor driver boards designed for heavier robot platforms.
How do I achieve smooth acceleration in my robot?
Implement PWM ramp-up sequences in your microcontroller code, gradually increasing the duty cycle over 200 to 500 milliseconds rather than applying full power instantly. This approach reduces mechanical stress on the chassis, improves traction by preventing wheel slip, and enables more precise motion control for autonomous navigation algorithms.
Does the board include reverse polarity protection?
The Pololu 3543 does not include reverse polarity protection. Connecting the battery backwards will damage the board permanently. Always verify battery polarity before connecting power, and consider adding an external diode or XT60 connector with integrated protection for added safety in field deployments.
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.
Why Buy from The Engineer Store
- Genuine Products: Sourced directly from authorized distributors with authentication
- Expert Team: Our technical team validates every product before listing
- Fast Shipping: Dispatched within 1-5 days from our Bengaluru warehouse
- Pan-India Delivery: 7-8 days to Mumbai, Delhi, Chennai, Hyderabad, Pune, Kolkata
- Payment Options: COD, UPI, credit/debit cards, net banking, EMI available
- Technical Support: 24/7 expert guidance via email and WhatsApp
- Returns: 7-day return policy on manufacturing defects only
Buy Pololu 3543 Motor Driver and Power Distribution Board for Romi Chassis Online in India
Purchase the Pololu 3543 Motor Driver and Power Distribution Board for Romi Chassis online at The Engineer Store, India's trusted source for genuine electronics. We deliver across Bengaluru, Mumbai, Delhi, Chennai, Hyderabad, Pune, Kolkata, Ahmedabad, Jaipur, and Surat. Get the best price on Pololu 3543 Motor Driver and Power Distribution Board for Romi Chassis with fast shipping and expert support.
Our team in Bengaluru is available 24/7 to support your journey from product selection to project completion.
Pololu 3543 Motor Driver and Power Distribution Board for Romi Chassis
The Pololu 3543 is a specialized motor driver and power distribution board engineered specifically for the Romi chassis ecosystem, providing integrated dual motor control with onboard power management capabilities. Roboticists, embedded systems engineers, and educational institutions utilize this board to build autonomous mobile robots with precise motor speed and direction control while managing power distribution from a single battery source. This product solves the critical challenge of coordinating motor actuation with power delivery in compact robot platforms, eliminating the need for external motor drivers and distribution modules.
Product Overview
The Pololu 3543 motor driver and power distribution board combines two essential functions into a single PCB solution designed for seamless integration with Romi chassis platforms. The board features dual 1.2A continuous motor drivers capable of bidirectional control, allowing independent speed regulation and direction switching for left and right wheel motors. The integrated power distribution circuitry manages voltage regulation from the main battery pack, providing stable power to both motors and auxiliary components through dedicated output connectors. This consolidated approach reduces wiring complexity, minimizes voltage drops across multiple connection points, and ensures synchronized power delivery critical for balanced robot locomotion.
The board operates on the principle of H-bridge motor control architecture, where each motor channel utilizes complementary MOSFET pairs to enable forward, reverse, and dynamic braking operations. The power distribution section incorporates voltage regulation stages that maintain consistent output levels despite fluctuations in battery voltage, essential for maintaining predictable motor performance throughout the discharge cycle. The design includes integrated protection features such as current limiting and thermal shutdown mechanisms, safeguarding both the board and connected motors from damage due to stalled conditions or excessive current draw. The compact form factor allows direct mounting onto Romi chassis platforms without requiring additional mechanical modifications.
Key Specifications
| Specification | Details |
| Product Type | Motor Driver and Power Distribution Board |
| 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 |
| Motor Channels | 2 independent channels for dual motor control |
| Continuous Current Rating | 1.2A per channel |
| Peak Current Rating | 2.5A per channel |
| Operating Voltage Range | 4.5V to 11V DC |
| Control Interface | PWM speed control with digital direction pins |
Key Features
- Dual independent motor channels enabling simultaneous left and right wheel control with individual speed and direction regulation for precise robot navigation
- Integrated power distribution with voltage regulation providing stable output to motors and auxiliary circuits despite battery voltage variations
- Bidirectional motor control supporting forward, reverse, and dynamic braking modes essential for responsive robot maneuvers
- PWM speed control interface allowing microcontroller-based speed regulation from 0 to 100 percent motor power
- Compact form factor optimized for direct integration with Romi chassis without external mounting hardware
- Built-in current limiting and thermal shutdown protection safeguarding against motor stalling and overcurrent conditions
Applications and Use Cases
- Educational robotics projects including STEM competitions and university mobile robot platforms requiring coordinated dual motor control
- Autonomous navigation systems where synchronized motor operation is critical for maintaining straight-line motion and precise turning
- Research platforms for robot kinematics and dynamics studies utilizing the Romi chassis as a standardized mobile base
- Line-following and obstacle-avoidance robots requiring rapid motor speed adjustments based on sensor feedback
- Swarm robotics implementations where multiple Romi platforms equipped with this board coordinate movement patterns
How to Use
Begin by securely mounting the Pololu 3543 board onto your Romi chassis using the provided mounting holes and standoffs, ensuring proper alignment with the motor connectors. Connect the left and right wheel motors to the designated motor output connectors, observing correct polarity to ensure forward motion when positive control signals are applied. Connect the battery pack to the main power input connector, which typically accepts 4 to 8 AA batteries or equivalent 4.5V to 11V DC source. The board will automatically regulate voltage to the motors while providing clean power distribution to onboard microcontroller and sensor circuits.
Interface the motor control pins to your microcontroller or robot control board using PWM signals for speed control and digital GPIO pins for direction selection. Configure your microcontroller software to generate PWM frequencies between 10kHz and 20kHz for optimal motor performance and minimal audible noise. Use the speed control pins to vary the duty cycle from 0 to 100 percent, with intermediate values producing proportional motor speeds ideal for smooth acceleration and deceleration profiles. Test motor operation in both directions and verify that both channels respond identically to identical control signals, indicating proper power distribution and balanced motor performance across your robot platform.
Frequently Asked Questions
What is the maximum continuous current per motor channel?
The Pololu 3543 provides 1.2A continuous current per motor channel with peak ratings up to 2.5A. This specification ensures reliable operation of standard Romi-compatible motors under normal load conditions. Exceeding continuous ratings for extended periods may trigger thermal shutdown protection and reduce board lifespan.
Can I use this board with motors rated above 1.2A?
The board is specifically designed for motors matching the Romi chassis specifications, typically drawing 0.5A to 1.0A per motor during normal operation. Using motors with higher current requirements may cause the board to enter thermal shutdown or damage internal MOSFETs. For higher current applications, consider Pololu's larger motor driver boards designed for heavier robot platforms.
How do I achieve smooth acceleration in my robot?
Implement PWM ramp-up sequences in your microcontroller code, gradually increasing the duty cycle over 200 to 500 milliseconds rather than applying full power instantly. This approach reduces mechanical stress on the chassis, improves traction by preventing wheel slip, and enables more precise motion control for autonomous navigation algorithms.
Does the board include reverse polarity protection?
The Pololu 3543 does not include reverse polarity protection. Connecting the battery backwards will damage the board permanently. Always verify battery polarity before connecting power, and consider adding an external diode or XT60 connector with integrated protection for added safety in field deployments.
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.
Why Buy from The Engineer Store
- Genuine Products: Sourced directly from authorized distributors with authentication
- Expert Team: Our technical team validates every product before listing
- Fast Shipping: Dispatched within 1-5 days from our Bengaluru warehouse
- Pan-India Delivery: 7-8 days to Mumbai, Delhi, Chennai, Hyderabad, Pune, Kolkata
- Payment Options: COD, UPI, credit/debit cards, net banking, EMI available
- Technical Support: 24/7 expert guidance via email and WhatsApp
- Returns: 7-day return policy on manufacturing defects only
Buy Pololu 3543 Motor Driver and Power Distribution Board for Romi Chassis Online in India
Purchase the Pololu 3543 Motor Driver and Power Distribution Board for Romi Chassis online at The Engineer Store, India's trusted source for genuine electronics. We deliver across Bengaluru, Mumbai, Delhi, Chennai, Hyderabad, Pune, Kolkata, Ahmedabad, Jaipur, and Surat. Get the best price on Pololu 3543 Motor Driver and Power Distribution Board for Romi Chassis with fast shipping and expert support.
Our team in Bengaluru is available 24/7 to support your journey from product selection to project completion.