LMD18200T/NOPB

Overview

The LMD18200T/NOPB is a fully integrated H-bridge motor driver manufactured by Texas Instruments, designed for controlling brushed DC and bipolar stepper motors. It operates within a supply voltage range of 12 V to 55 V and delivers an output current of 3 A. The device utilizes Bi-CMOS and DMOS technology and features a TO-220-11 through-hole package. It functions as a half-bridge type controller with parallel interface control, supporting a maximum operating junction temperature of 150°C and a standard ambient range of -40°C to +125°C.

Feature Summary

• Fully integrated H-bridge architecture combining control logic and power stages
• Capable of driving both brushed DC and bipolar stepper motors
• Parallel interface for straightforward digital control integration

Applications

• Hydraulic pump systems
• Linear actuator control
• General-purpose motor motion control

Procurement Notes

Verify RoHS compliance status carefully, as conflicting data exists between the NOPB suffix indicating compliance and older non-compliant variants. Confirm the specific manufacturing lot against the latest Product Change Notification (PCN) documents to ensure material consistency. Validate that the TO-220-11 pinout matches the target PCB footprint design requirements before finalizing procurement orders.

Selection Notes

Select this component when a single-chip solution for high-current motor control is required without external discrete power FETs. It is suitable for applications needing bidirectional drive capabilities within a 55V limit. Consider thermal management strategies due to the through-hole package's power dissipation characteristics in enclosed environments.

Part Context

This part belongs to the LMD18200 series from Texas Instruments, specifically engineered for robust motor driving applications. It serves as a successor or alternative to legacy National Semiconductor designs, maintaining compatibility while offering updated manufacturing standards. The NOPB designation indicates lead-free packaging compliant with modern environmental directives.

Replacement Considerations

• LMD18200T/LF14

FAQ

What is the maximum junction temperature rating?

The maximum operating junction temperature is rated at 150°C.

Does this driver support bipolar stepper motors?

Yes, the LMD18200T/NOPB is explicitly designed to drive bipolar stepper motors in addition to brushed DC motors.