A3980KLP

Overview

The A3980KLP is a discontinued bipolar stepper motor driver from Allegro MicroSystems, designed for full integration of control and power stages. It operates on a 3V to 5.5V logic supply and supports load voltages from 7V to 50V. The device delivers 1A output current using DMOS technology. It features microstepping resolutions of 1, 1/2, 1/8, and 1/16 steps. Packaged in a 28-TSSOP-EP with exposed pad, it is rated for automotive applications under AEC-Q100 standards and functions within a junction temperature range of -40°C to 150°C.

Feature Summary

• Integrates full control and power stages for bipolar stepper motors
• Supports multiple microstepping resolutions including 1/16 step
• Automotive-grade qualification compliant with AEC-Q100 standards

Applications

• Bipolar stepper motor control in automotive systems
• Industrial motion control applications requiring integrated drive solutions
• General-purpose stepper motor driving where high reliability is required

Procurement Notes

This component is officially marked as obsolete and no longer manufactured by Allegro MicroSystems. Procurement must rely on secondary market distributors or verified surplus stock. Verify part authenticity and condition carefully, as original new production is unavailable. Cross-reference official replacement recommendations from the manufacturer before finalizing acquisition strategies.

Selection Notes

Select this part only if legacy compatibility with the A3980 family is strictly required. Note that it is end-of-life; new designs should utilize current Allegro alternatives. Ensure system voltage ranges align with the specified 3V-5.5V logic and 7V-50V load limits. Confirm thermal management capabilities match the 28-TSSOP-EP package constraints for the intended operating environment.

Part Context

The A3980KLP belongs to the A3980 series of fully integrated bipolar stepper motor drivers. It combines logic interface, control circuitry, and DMOS power outputs in a single package. This series targets applications needing precise step control without external driver components. The KLP suffix indicates the specific tape-and-reel packaging format for surface-mount assembly.

Replacement Considerations

Official similar replacements include A3980KLPTR-T from Allegro MicroSystems and TB6560AHQ,8 from Toshiba Semiconductor and Storage.