LB1980H-TRM-E

Overview

The LB1980H-TRM-E is a dual H-bridge motor driver manufactured by onsemi, designed for precise control of DC motors and stepper motors in embedded systems. It integrates two independent bridge drivers capable of delivering continuous output current to drive loads efficiently. The device features built-in protection mechanisms including thermal shutdown and over-current protection to ensure reliable operation under varying load conditions. It operates with a wide supply voltage range suitable for battery-powered applications and includes logic inputs compatible with standard digital interfaces for straightforward integration into microcontroller-based designs.

Feature Summary

• Integrates dual H-bridge architecture for independent control of two DC motors or one bipolar stepper motor
• Includes integrated thermal shutdown and over-current protection circuits for enhanced system reliability
• Supports direct interface with standard logic levels for simplified control signal integration

Applications

• Precision control of DC motors in home appliances
• Stepper motor driving in industrial automation equipment
• Motor control modules in automotive interior systems

Procurement Notes

Verify the specific suffix TRM-E against the official datasheet to confirm tape and reel packaging specifications. Ensure the operating temperature range meets the application requirements. Cross-reference the pinout configuration with the target PCB layout to prevent connection errors during assembly.

Selection Notes

Select this component when dual-channel motor control is required within a compact footprint. Consider the continuous current rating relative to the motor's nominal draw. Evaluate the need for external heat sinking based on the expected duty cycle and ambient temperature conditions to maintain safe junction temperatures.

Part Context

This part belongs to onsemi's portfolio of motor control solutions, which are widely used in consumer electronics and industrial applications. The series focuses on providing robust performance with minimal external components. It complements other power management and logic devices in system designs requiring efficient electromechanical actuation.

Replacement Considerations

Consult the official cross-reference list for verified substitutes. Ensure any replacement maintains compatibility with the existing control logic voltage levels and mechanical footprint constraints.