SLA7078MPRT

Overview

The SLA7078MPRT is a monolithic integrated circuit designed for driving two-phase unipolar stepper motors. It integrates control logic, driver circuits, and protection features into a single package. The device supports full-step and half-step operation modes. It includes built-in current limiting to protect the motor and IC from overload conditions. Thermal shutdown circuitry prevents damage due to excessive junction temperature. The component utilizes a ZIP-23 package configuration.

Feature Summary

• Integrated control logic and power drivers for two-phase unipolar stepper motors
• Built-in current limiting and thermal shutdown protection mechanisms
• Supports both full-step and half-step drive modes

Applications

• Two-phase unipolar stepper motor control systems
• Industrial automation equipment requiring precise motion control
• Office automation devices such as printers and copiers

Procurement Notes

Verify the specific suffix 'PRT' corresponds to the ZIP-23 package variant when sourcing. Confirm that the manufacturer designation aligns with Sanken Electric USA Inc. or authorized distributors. Ensure the part number matches the exact pinout and electrical specifications required for the target application design.

Selection Notes

Select this component for applications requiring integrated control and power stages for unipolar stepper motors. Consider the thermal performance and current handling capabilities relative to the motor load. Verify compatibility with the system's voltage levels and step mode requirements before implementation.

Part Context

This part belongs to the SLA7070M through SLA7078M series of two-phase unipolar stepper motor drivers manufactured by Sanken Electric. These components are designed to simplify motor control designs by combining logic and power functions. The series offers various package options to suit different thermal and spatial constraints in electronic assemblies.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation.