TEA3718SDP

Overview

The TEA3718SDP is a bipolar stepper motor driver from STMicroelectronics, housed in a PowerDIP-16 through-hole package. It operates within a supply voltage range of 10 V to 45 V and delivers an output current of 1.5 A. The device features LS-TTL compatible logic inputs, built-in protection diodes, and thermal overload protection. Designed for unstabilized motor supplies, it supports half-step and full-step modes with continuous or stepped current control ranging from 5 mA to 1500 mA.

Feature Summary

• Supports half-step and full-step operation modes for precise motor positioning
• Includes built-in protection diodes and thermal overload protection mechanisms
• Features LS-TTL compatible logic inputs for microprocessor integration
• Enables continuous or stepped current control for optimized motor performance

Applications

• LS-TTL controlled stepper motor systems
• Microprocessor-controlled stepper motor drives
• Applications requiring bipolar drive for maximum motor performance
• Systems utilizing unstabilized motor supply voltages

Procurement Notes

Verify the specific suffix 'SDP' against the official STMicroelectronics datasheet to confirm the exact package variant and electrical ratings. Ensure compatibility with the target application's voltage and current requirements before procurement. Cross-reference the manufacturer part number with authorized distributors to validate authenticity and availability status.

Selection Notes

Select this component when a robust bipolar stepper driver with integrated protection is required. It is suitable for designs needing LS-TTL interface compatibility and operation with unstabilized power supplies. Consider the 1.5 A output capability and thermal management needs relative to the specific motor load and ambient operating conditions.

Part Context

The TEA3718 belongs to a family of stepper motor drivers designed for complete control and drive units using minimal external components. This series supports wide voltage ranges and offers flexible current control options. The SDP designation indicates a specific through-hole packaging configuration within the broader TEA3718 product line.

Replacement Considerations

Consult the official datasheet for confirmed substitute part numbers within the TEA3718 series. Verify pinout compatibility and electrical specifications before replacing the component.