Overview
The LMD18200T/NOPB is a 3A H-Bridge motor driver integrated circuit designed by Texas Instruments. This device is optimized for motion control applications, including the driving of DC and stepper motors. It combines bipolar and CMOS control circuitry with DMOS power devices on a single monolithic structure, making it highly efficient and reliable for various motor control tasks.
Key Specifications
| Parameter | Value |
|---|---|
| Output Current | Up to 3A continuous, peak up to 6A |
| Output Voltage | Up to 55V |
| Number of Channels | 2 |
| Supply Voltage Range | 12V to 55V DC |
| Operating Temperature Range | -40°C to 125°C |
| Package Type | TO-220 (NDJ) |
| Mounting Type | Through-Hole (THT) |
| Gross Weight | 5.353 g |
Key Features
- Delivers up to 3A continuous output with peak currents up to 6A.
- Operates at supply voltages up to 55V.
- Low RDS(ON) of typically 0.33Ω per switch at 3A.
- TTL and CMOS compatible inputs.
- No “shoot-through” current.
- Thermal warning flag output at 145°C and thermal shutdown (outputs off) at 170°C.
- Internal clamp diodes and shorted load protection.
- Internal charge pump with external bootstrap capability.
Applications
- DC and stepper motor drives.
- Position and velocity servomechanisms.
- Factory automation and robots.
- Numerically controlled machinery.
- Computer printers and plotters.
Q & A
- What is the maximum continuous output current of the LMD18200T/NOPB?
The maximum continuous output current is up to 3A, with peak currents up to 6A.
- What is the operating voltage range of the LMD18200T/NOPB?
The device operates at supply voltages up to 55V, with a range of 12V to 55V DC.
- What type of inputs are compatible with the LMD18200T/NOPB?
The device has TTL and CMOS compatible inputs.
- Does the LMD18200T/NOPB have thermal protection features?
Yes, it includes a thermal warning flag output at 145°C and thermal shutdown (outputs off) at 170°C.
- What kind of load protection does the LMD18200T/NOPB offer?
The device features internal clamp diodes and shorted load protection.
- How does the LMD18200T/NOPB handle gate drive voltage?
The device uses an internal charge pump and allows for the use of external bootstrap capacitors to handle gate drive voltage.
- What is the package type and mounting type of the LMD18200T/NOPB?
The package type is TO-220 (NDJ), and the mounting type is Through-Hole (THT).
- What are some common applications of the LMD18200T/NOPB?
Common applications include DC and stepper motor drives, position and velocity servomechanisms, factory automation, and computer printers and plotters.
- Is the LMD18200T/NOPB suitable for high-frequency operations?
The device can handle higher switching frequencies with the use of external bootstrap capacitors.
- What is the operating temperature range of the LMD18200T/NOPB?
The operating temperature range is -40°C to 125°C.
