A3982SLBTR-T

Overview

The A3982SLBTR-T is a dual full-bridge motor driver manufactured by Allegro MicroSystems. It operates with a supply voltage range of 8 V to 35 V and delivers an output current of 2 A. The device supports microstepping resolutions of 1, 1/2, and 1/4 steps. It functions within a temperature range of -20 °C to +85 °C and utilizes a 24-pin SOIC-Wide package.

Feature Summary

• Integrates control logic and power stages for bipolar stepper motors
• Supports variable microstepping resolution including half and quarter steps
• Features built-in current regulation and thermal shutdown protection

Applications

• Two-legged robot actuation systems
• Microcontroller-based motion control interfaces
• General purpose bipolar stepper motor driving

Procurement Notes

Verify the specific suffix against official datasheets to confirm package type and tape-and-reel specifications. Confirm RoHS compliance status as it varies by manufacturing batch. Ensure the ordering code matches the required pin configuration and moisture sensitivity level for your assembly process.

Selection Notes

Select this component when a fully integrated solution for bipolar stepper motors is required. It is suitable for applications needing 2 A drive capability with variable microstepping. Verify that the 8 V to 35 V supply range aligns with your system power architecture.

Part Context

This part belongs to the A3982 series of motor drivers from Allegro MicroSystems. It is designed to simplify the interface between microcontrollers and bipolar stepper motors by combining logic and power DMOS technology in a single package.

Replacement Considerations

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