Texas Instruments

LMD18201T

LMD18201T Description

The LMD18201T from Texas Instruments is a high-performance 3A half-bridge motor driver designed for brushed DC and bipolar stepper motors. Operating within a 12V to 55V supply range, it integrates robust power handling with precision control, making it ideal for general-purpose motor applications. Packaged in a TO-220-11 through-hole module, this driver features a parallel interface for straightforward integration into control systems. Although marked as Not For New Designs, it remains a reliable choice for legacy systems requiring high-voltage, high-current motor control with ROHS3 compliance and REACH unaffected status.

LMD18201T Features

• Wide Voltage Range: Supports 12V–55V input, accommodating diverse motor requirements.
• High Current Output: Delivers 3A continuous current, suitable for demanding loads.
• Dual Half-Bridge Configuration: Enables flexible control of brushed DC or bipolar stepper motors.
• Robust Construction: TO-220-11 package ensures thermal efficiency and mechanical durability.
• Compliance: Meets ROHS3 and REACH environmental standards.
• Legacy Reliability: Proven performance in industrial applications, though not recommended for new designs.

LMD18201T Applications

• Industrial Automation: Precision control in conveyor systems, actuators, and CNC machinery.
• Robotics: Drives brushed DC motors in robotic arms and mobile platforms.
• Stepper Motor Systems: Ideal for positioning systems requiring bipolar stepper motor control.
• Legacy Equipment Upgrades: Suitable for retrofitting older systems needing high-voltage motor drivers.

Conclusion of LMD18201T

The LMD18201T excels in high-voltage, high-current motor control, offering a balance of power, reliability, and ease of integration. While phased out for new designs, its wide operating range and robust half-bridge topology make it a dependable choice for legacy industrial and robotics applications. Engineers valuing proven performance in 12V–55V systems will find this driver a pragmatic solution.