E-TEA3718SP

Overview

The E-TEA3718SP is a bipolar stepper motor driver from STMicroelectronics, designed for LS-TTL or microprocessor-controlled applications. It integrates logic inputs, current sensing, monostable timing, and an output stage with built-in protection diodes. The device operates with a supply voltage of 4.75V to 5.25V and supports load voltages from 10V to 45V. It delivers an output current of 1.5A in a 16-pin PowerDIP package.

Feature Summary

• Integrates control and power stages for complete stepper motor drive solutions
• Features LS-TTL compatible logic inputs for direct interface
• Includes built-in current sensor and monostable timer functionality
• Output stage incorporates protection diodes for circuit safety

Applications

• LS-TTL controlled stepper motor systems
• Microprocessor-driven motion control units
• Integrated stepper motor drive circuits

Procurement Notes

Verify component authenticity through authorized STMicroelectronics distributors. Confirm the specific suffix matches the required package type. Check RoHS compliance status against local regulatory requirements. Ensure storage conditions meet moisture sensitivity level specifications before assembly.

Selection Notes

Select this component for applications requiring integrated bipolar stepper motor control. Verify that the 1.5A output current meets load requirements. Ensure the operating temperature range aligns with environmental conditions. Confirm compatibility with LS-TTL logic levels for input signals.

Part Context

This part belongs to the TEA3718 series of stepper motor drivers. It provides a complete solution combining logic control and power driving capabilities. The series is designed to simplify the design of stepper motor interfaces by integrating essential functions into a single IC.

Replacement Considerations

E-TEA3718SDP is a documented equivalent part number within the same product family.