LB11970FV-MPB-H

Overview

The LB11970FV-MPB-H is a stepper motor driver manufactured by onsemi, designed for precise motion control applications. It integrates power output stages capable of driving bipolar stepper motors with peak currents up to 2.5 A per phase. The device features an internal chopper circuit for constant current regulation and supports multiple step modes including full-step, half-step, and micro-stepping configurations. Key functional attributes include overcurrent protection, thermal shutdown, and under-voltage lockout to ensure reliable operation in industrial environments.

Feature Summary

• Integrated bipolar stepper motor driver with built-in chopper control for stable current regulation
• Supports full-step, half-step, and micro-stepping drive modes for smooth motion control
• Includes comprehensive protection mechanisms such as overcurrent detection and thermal shutdown

Applications

• Industrial automation equipment requiring precise positioning
• Office automation devices such as printers and scanners
• Security systems involving automated locks or barriers

Procurement Notes

Verify the exact suffix MPB-H against the manufacturer's latest datasheet to confirm package type and tape/reel specifications. Ensure compatibility with system voltage levels and logic inputs before integration. Cross-reference the component status as distribution availability may vary by region.

Selection Notes

Select this component when a single-chip solution for bipolar stepper motors is required. It is suitable for designs needing integrated current chopping and multiple stepping modes without external discrete components. Consider thermal management requirements based on the expected load current and ambient operating conditions.

Part Context

This part belongs to onsemi's LB11970 series of stepper motor drivers. The series is engineered for cost-effective and compact motion control solutions. The specific model variant indicates a particular packaging configuration intended for surface-mount assembly in consumer and industrial electronics.

Replacement Considerations

Consult official cross-reference lists for direct pin-compatible alternatives. Verify that any substitute maintains identical voltage ratings, current capabilities, and control interface logic to ensure seamless integration.