A3932SLD-T

Overview

The A3932SLD-T is a three-phase brushless DC motor controller manufactured by Allegro Microsystems. It integrates power MOSFETs and supports parallel or PWM interfaces for commutation and direction management. The device operates within a supply voltage range of 18V to 50V and functions reliably across a temperature range of -20°C to 85°C. It utilizes a 38-pin TSSOP surface-mount package, providing a compact solution for general-purpose BLDC applications requiring integrated driver capabilities.

Feature Summary

• Integrates three half-bridge pre-drivers with internal power MOSFETs
• Supports both parallel logic and PWM control interfaces
• Includes dedicated circuitry for commutation and direction management

Applications

• General-purpose brushless DC motor control
• Industrial motion control systems
• Automotive ignition controllers

Procurement Notes

Verify the specific suffix configuration against official datasheets to ensure compatibility with required interface modes and thermal performance. Confirm that the selected variant meets the necessary voltage and current specifications for the target application environment.

Selection Notes

Select this component when a single-chip solution for three-phase BLDC motors is required. Ensure the design accommodates the 18V to 50V operating range and the specific pinout of the 38-pin TSSOP package for proper integration.

Part Context

This part belongs to the A3932 series of motor drivers designed for robust operation in demanding environments. It serves as an integrated solution combining control logic with power switching elements, simplifying the design process for complex motor drive applications.

Replacement Considerations

A3938SLDTR-T is listed as a parameter-equivalent replacement option.