LB1973M-TLM-E

Overview

The LB1973M-TLM-E is a monolithic integrated circuit designed for motor control applications, manufactured by ON Semiconductor. It features an H-bridge driver configuration capable of driving DC motors with a continuous output current of up to 2A per channel. The device operates within a supply voltage range of 4.5V to 36V and includes built-in protection mechanisms such as thermal shutdown and short-circuit protection. It utilizes a compact SSOP-10 package, facilitating integration into space-constrained designs requiring reliable bidirectional motor control.

Feature Summary

• Integrated H-bridge architecture for bidirectional DC motor drive
• Built-in thermal shutdown and short-circuit protection circuits
• Wide operating supply voltage range supporting diverse power systems
• Compact surface-mount packaging for efficient board layout

Applications

• Home appliance motor control systems
• Industrial automation actuators
• Office equipment drive mechanisms
• Battery-powered tool motor drivers

Procurement Notes

Verify the manufacturer origin, as ON Semiconductor acquired Sanyo's semiconductor business. Confirm the specific suffix 'TLM-E' matches the required RoHS compliance and tape-and-reel packaging format. Ensure the component date code aligns with current production standards to avoid obsolete stock issues during assembly.

Selection Notes

Select this component when a single-chip solution for bidirectional DC motor control is required. It is suitable for applications needing moderate current handling without external heat sinks under normal conditions. Consider the operating temperature range and supply voltage compatibility with the target system's power rails before finalizing the design.

Part Context

This part belongs to the LB19xx series of motor driver ICs from ON Semiconductor, formerly Sanyo. These devices are widely used in consumer electronics and industrial controls due to their reliability and integrated protection features. The series represents a transition point where Sanyo's legacy automotive and industrial components were integrated into ON Semi's portfolio.

Replacement Considerations

Check for direct equivalents like the LB1973M or other H-bridge drivers from ON Semiconductor with similar pinouts and current ratings. Verify that any substitute maintains the same thermal characteristics and protection logic to ensure circuit compatibility.