MP6500GU-Z

Overview

The MP6500GU-Z is a bipolar stepper motor driver from Monolithic Power Systems, housed in a 24-QFN (5x5 mm) package. It operates on a supply voltage range of 4.5V to 35V and delivers an output current of 2.5A. The device integrates two full-bridge drivers with internal current sensing and regulation, eliminating the need for external sense resistors. It supports step resolutions including full, half, quarter, and eighth steps. Operating junction temperature ranges from -40°C to +125°C.

Feature Summary

• Integrates internal current sampling and regulation capabilities
• Supports multiple stepping modes from full to eighth step
• Includes comprehensive protection mechanisms such as overcurrent, overvoltage, undervoltage lockout, and thermal shutdown

Applications

• Printer motor control systems
• General purpose bipolar stepper motor applications

Procurement Notes

Verify the specific suffix 'Z' indicates RoHS compliance status according to manufacturer documentation. Confirm the QFN-24 package dimensions match PCB layout requirements. Ensure thermal management strategies account for the specified power dissipation limits under intended load conditions.

Selection Notes

Select this component when a compact solution for bipolar stepper motors is required without external current sensing resistors. It is suitable for designs needing integrated logic level compatibility with 3.3V or 5V inputs. Consider the thermal performance characteristics if operating near maximum current ratings.

Part Context

This part belongs to the MP6500G series of integrated stepper motor drivers. It shares functional similarities with other variants like the MP6500GU-P, differing primarily in packaging or compliance specifications. The series is designed to provide space-saving solutions for motion control applications.

Replacement Considerations

MP6500GU-P is a documented alternative within the same product family.