SLA7072MR

Overview

The SLA7072MR is a 2-Phase Unipolar Stepper Motor Driver IC manufactured by Sanken Electric. It supports 2-phase and 1-2 phase excitation modes with an integrated sequencer, eliminating the need for external logic circuits to generate drive signals. The device is designed to control stepper motors efficiently, featuring built-in protection mechanisms to ensure reliable operation under various load conditions.

Feature Summary

• Integrated sequencer for direct step/direction control
• Supports 2-phase and 1-2 phase excitation modes
• Built-in protective functions for motor driver reliability

Applications

• Unipolar stepper motor control systems
• Office automation equipment
• Industrial positioning devices

Procurement Notes

Verify the exact suffix (e.g., MR) against the manufacturer's current datasheet to confirm package type and temperature range. Ensure the ordering code matches the specific variant required for your design, as suffixes may indicate differences in packaging or environmental ratings without changing the core electrical function.

Selection Notes

Select this component when designing unipolar stepper motor drives requiring simplified interface logic. The built-in sequencer reduces microcontroller pin usage compared to discrete driver solutions. Verify that the motor's voltage and current requirements fall within the IC's specified operating limits before integration.

Part Context

This part belongs to the SLA7070M(P)R through SLA7078M(P)R family of 2-Phase Unipolar Stepper Motor Drivers from Sanken Electric. These components are engineered for applications needing robust motor control with minimal external support circuitry, leveraging Sanken's power electronics expertise for automotive and industrial markets.

Replacement Considerations

Check for other members of the SLA707xM series which may offer different current ratings or package options. Cross-reference with similar Sanken stepper drivers like the SLA7031M or SLA7042M if excitation mode compatibility differs.