Overview
The LMD18201T, manufactured by National Semiconductor (now part of Texas Instruments), is a high-performance H-Bridge motor driver IC designed for motion control applications. This component is particularly suited for driving DC and stepper motors, offering robust performance in various industrial and consumer electronics applications. Its integration of bipolar and CMOS control circuitry with DMOS power devices on a single monolithic structure makes it a reliable choice for motor control solutions.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Output Current | 3A | A | Peak current up to 6A |
| Load Voltage | 55V | V | |
| Supply Voltage | 12V to 55V | V | |
| Operating Temperature | -40°C to +125°C | °C | |
| Mounting Type | Through Hole | ||
| Package | TO-220-11 |
Key Features
- Integrated H-Bridge configuration for efficient motor control
- Combines bipolar and CMOS control circuitry with DMOS power devices
- Supports peak output currents up to 6A
- Current sensing capability via a sense resistor
- Robust design suitable for harsh environments
Applications
The LMD18201T is widely used in various applications including industrial automation, robotics, consumer electronics, and automotive systems. Its ability to drive DC and stepper motors efficiently makes it ideal for precision motion control tasks. In industrial settings, it is often employed in conveyor systems, CNC machines, and automated assembly lines. In consumer electronics, it is used in appliances like printers and scanners. Automotive applications include power window controls and seat adjustment mechanisms.
Q & A
What is the maximum output current of the LMD18201T?
The LMD18201T can handle a continuous output current of 3A, with peak currents up to 6A.
What is the operating voltage range of the LMD18201T?
The operating voltage range is from 12V to 55V.
Can the LMD18201T drive stepper motors?
Yes, the LMD18201T is designed to drive both DC and stepper motors.
What is the package type of the LMD18201T?
The LMD18201T comes in a TO-220-11 package.
Is the LMD18201T suitable for automotive applications?
Yes, it is used in automotive systems such as power window controls and seat adjustment mechanisms.
What is the operating temperature range of the LMD18201T?
The operating temperature range is from -40°C to +125°C.
Does the LMD18201T support current sensing?
Yes, current sensing can be achieved via a small sense resistor connected in series with the power ground lead.
What are the typical applications of the LMD18201T?
Typical applications include industrial automation, robotics, consumer electronics, and automotive systems.
What is the peak current capability of the LMD18201T?
The peak current capability is up to 6A.
Is the LMD18201T suitable for harsh environments?
Yes, its robust design makes it suitable for harsh environments.
