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LMD18200T Full-Bridge Motor Driver: Features, Applications, and Selection Guide www.censtry.comban site
LMD18200T, developed by Texas Instruments (TI), is a fully integrated H-Bridge motor driver designed for high-power DC motor applications. With strong drive capability and a simplified control interface, it’s widely used in robotics, automation systems, electric vehicles, and industrial drives. This article explains its key parameters, applications, package details, and provides alternative model suggestions.
1. Product Overview: What Is LMD18200T?
The LMD18200T is a full-bridge driver IC capable of delivering up to 3A continuous output current and supporting up to 55V supply voltage. It integrates current limiting, thermal shutdown, undervoltage lockout, and PWM control—reducing the need for external components and simplifying motor control designs.
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2. Key Specifications
Parameter Value
Supply Voltage Range (VS) 12V to 55V
Continuous Output Current 3A
Peak Output Current 6A (non-repetitive)
Output Clamp Voltage 60V
PWM Frequency Supported Up to 20kHz
Package Type TO-220-11 (Through-Hole)
Operating Temperature Range –40°C to +150°C (Junction Temp)
3. Features & Advantages
✅ Full H-Bridge Configuration – Supports forward, reverse, brake, and coast modes
✅ High Current Output – Suitable for driving medium to high-power DC motors
✅ Built-in Protection – Includes thermal, overcurrent, and undervoltage protections
✅ PWM Compatible – Easy integration with controllers like STM32, Arduino, and more
4. Typical Applications
The LMD18200T is ideal for a variety of applications, including:
Robotic movement control
Electric scooters, wheelchairs, and mobility devices
Industrial automation systems
Sliding doors and track-based transport controls
Motor control in consumer and commercial electronics
5. Recommended Alternatives
If LMD18200T is unavailable or exceeds your budget, consider these alternative motor drivers:
Alternative Model Notes
L298N Lower current (2A), budget-friendly for small motors
VNH2SP30 Higher current (up to 14A), suitable for heavy loads
DRV8412 High-end dual full-bridge driver for dual motor systems
6. Package & Thermal Considerations
The TO-220-11 package offers excellent thermal dissipation and is suitable for through-hole PCB mounting. For high-current operation, adding a heatsink is recommended to ensure reliable performance and avoid thermal shutdown.
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7. Where to Buy LMD18200T?
To avoid counterfeit parts and ensure consistent delivery, it’s best to purchase from authorized distributors. Censtry Electronics offers genuine LMD18200T units in stock along with datasheets and technical support:
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8. Conclusion
The LMD18200T is a highly reliable and integrated motor driver ideal for a wide range of power control applications. Its full-bridge design, robust drive capacity, and built-in protections make it an excellent choice for designers looking for a solid and efficient DC motor control solution.
Whether you're building an industrial automation system or a smart mobility device, LMD18200T is a component worth considering.
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