UC3770ANG4

Overview

The UC3770ANG4 is a high-performance stepper motor controller and driver manufactured by Texas Instruments. It features a full-bridge output configuration capable of delivering up to 2 A of output current. The device operates within a supply voltage range of 10 V to 45 V and draws a typical operating supply current of 33 mA. Designed for through-hole mounting, it is housed in a 16-pin PDIP package. The component supports an extended commercial temperature range from 0°C to +70°C, ensuring reliable operation in various industrial environments.

Feature Summary

• Integrates a full-bridge driver architecture for direct stepper motor control
• Provides high output current capability suitable for demanding motion applications
• Features low operating supply current for improved power efficiency
• Supports standard through-hole PCB mounting for robust mechanical stability

Applications

• High-performance stepper motor drive systems
• Industrial motion control equipment
• Automated machinery positioning stages
• General-purpose motor driver circuits

Procurement Notes

Verify the specific suffix G4 against the manufacturer's datasheet to confirm lead-free compliance and RoHS status. Ensure the ordering part number matches the required package type and temperature grade. Cross-reference with official Texas Instruments documentation to validate availability and production lifecycle status before finalizing procurement decisions.

Selection Notes

Select this component when a dedicated full-bridge stepper driver with integrated logic is required. It is suitable for designs needing moderate current handling without external power transistors. Consider the PDIP-16 package constraints for board space. Verify that the input signal requirements align with the system's logic levels and timing specifications.

Part Context

This device belongs to the UC3770A series of stepper motor controllers. It is designed to simplify the interface between microcontrollers and stepper motors by integrating necessary drive circuitry. The series offers a compact solution for motion control applications, reducing the component count compared to discrete implementations.

Replacement Considerations

The UC3770AN is the non-green variant of this component. Verify if lead-free compliance is mandatory for the target application. Check datasheet revisions for any functional differences between the AN and ANG4 designations.