MP6518GF-P

Overview

The MP6518GF-P is a fully integrated bipolar stepper motor driver manufactured by Monolithic Power Systems. It supports an input voltage range of 8V to 35V and delivers a continuous output current of 1.5A. The device incorporates a built-in translator accepting step, direction, and enable signals for simplified control. It offers selectable full, half, quarter, and eighth microstepping resolutions. Integrated features include over-temperature protection, under-voltage lockout, and phase current regulation.

Feature Summary

• Fully integrated driver combining control logic and power MOSFETs in a single package
• Built-in translator simplifies interface by accepting standard step and direction inputs
• Programmable current regulation with multiple microstepping resolution options
• Comprehensive protection mechanisms including thermal shutdown and undervoltage lockout

Applications

• Bipolar stepper motor control systems
• Motion control applications requiring precise positioning
• Industrial automation equipment
• Medical devices utilizing stepper actuators

Procurement Notes

Verify the specific suffix against official MPS documentation to confirm exact packaging and tape-and-reel specifications. Confirm that the component meets required environmental standards such as RoHS compliance for the target application. Cross-reference the datasheet revision date to ensure all electrical characteristics align with design requirements before finalizing procurement orders.

Selection Notes

Select this component when a compact solution for bipolar stepper motors is required without external logic. The integrated translator reduces microcontroller pin count compared to drivers lacking translation capabilities. Ensure the system supply voltage remains within the 8V to 35V operating range. Verify that the 1.5A current rating matches the motor coil requirements while accounting for thermal dissipation constraints in the chosen package.

Part Context

This part belongs to the MP6518 family of stepper motor drivers from Monolithic Power Systems. It is designed for applications needing efficient drive performance in a small footprint. The GF-P designation indicates a specific package variant, typically a TSSOP with exposed pad, optimized for surface mount assembly and thermal management.

Replacement Considerations

Consult official MPS substitution guides for verified alternatives. Generic cross-references may not match the integrated translator functionality or specific electrical parameters.