LV8743V-TLM-E

Overview

The LV8743V-TLM-E is a bipolar stepper motor driver manufactured by onsemi, designed for motion control applications. It operates within a supply voltage range of 4.5V to 5.5V and supports load voltages up to 35V. The device features a 44-SSOPK package with exposed pad for thermal management. It integrates full control and power stages using Bi-CMOS technology. The component supports step resolutions of 1, 1/2, and 1/4. It functions as a four half-bridge output configuration suitable for driving bipolar stepper motors in various industrial and consumer electronics systems.

Feature Summary

• Integrates complete control logic and power stage circuitry for simplified system design
• Supports multiple step resolution modes including full, half, and quarter stepping
• Utilizes Bi-CMOS technology for efficient operation and robust performance

Applications

• Motion control systems requiring precise stepper motor positioning
• Industrial automation equipment utilizing bipolar stepper drives
• Consumer appliances integrating compact motor control solutions

Procurement Notes

Verify current availability status as the component may be discontinued or subject to limited distribution channels. Confirm package integrity and moisture sensitivity level handling requirements prior to assembly. Ensure compatibility with existing board layouts due to specific pinout configurations. Review official datasheets for updated environmental compliance and RoHS status before finalizing procurement decisions.

Selection Notes

Select this component when designing systems requiring integrated bipolar stepper motor control with low supply voltage constraints. Consider the 44-SSOPK package dimensions for PCB layout optimization. Evaluate thermal dissipation needs given the exposed pad design. Verify interface compatibility with host controllers supporting parallel input signals. Assess operating temperature range suitability for the intended application environment.

Part Context

This part belongs to onsemi's line of motor drivers and controllers, specifically targeting bipolar stepper motor applications. It represents a solution combining control and power stages in a single IC. The series focuses on providing efficient motion control capabilities within compact form factors. It serves as an alternative to discrete driver solutions, offering reduced component count and simplified design processes for engineers developing motion control hardware.

Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. Users should consult official manufacturer resources for potential cross-references or newer generation replacements. Verify electrical and mechanical compatibility if considering alternative components from other manufacturers.