A3985SLDTR-T - Allegro MicroSystems

Manufacturer Part Number

A3985SLDTR-T

Manufacturer

allegro-microsystems

Introduction

The A3985SLDTR-T by Allegro Microsystems is a high-performance, Power Management Integrated Circuit (PMIC) designed for motor control applications. It is specially engineered for controlling stepper motors and Brushless DC (BLDC) motors, featuring an advanced controller for commutation and direction management.

Product Features and Performance

Capable of driving Bipolar stepper motors and BLDC motors

Incorporates a controller for precise commutation and direction management

Utilizes Power MOSFET technology for efficient power handling

Supports SPI interface for effective communication with microcontrollers or processors

Designed for a wide supply voltage range of 12V to 50V, accommodating various power requirements

Embedded pre-driver circuits configured as half-bridges

Step Resolution options include full and half-step for stepper motors

Operates within a temperature range of -20°C to 85°C, ensuring reliability in varying environmental conditions

Product Advantages

Flexibility in controlling different motor types (stepper and BLDC) with a single device

High efficiency due to Power MOSFET technology

Simplified design with SPI communication for system integration

Wide voltage range support enhances compatibility with different power sources and systems

Robust thermal performance for reliability in diverse operating conditions

Key Technical Parameters

Motor Type Compatibility: Bipolar Stepper, BLDC

Functionality: Controller Commutation, Direction Management

Interface: SPI

Voltage Supply Range: 12V ~ 50V

Step Resolution: 1, 1/2

Operating Temperature Range: -20°C ~ 85°C

Packaging: 38-TFSOP, 38-TSSOP

Quality and Safety Features

Adheres to stringent quality control and safety standards to ensure reliability and performance under diverse conditions.

Compatibility

Designed for general purpose applications, offering broad compatibility with a variety of stepper and BLDC motors.

SPI interface facilitates easy integration with the majority of modern microcontrollers and processors.

Application Areas

Widely applicable in various fields including robotics, industrial control systems, automotive applications, and consumer electronics that require precise motor control.

Product Lifecycle

Currently marked as Active, indicating ongoing manufacture and availability.

No indication of nearing discontinuation, ensuring long-term availability for new designs and replacements.

Several Key Reasons to Choose This Product

Versatile motor control capabilities for both stepper and BLDC motors.

Integrated Power MOSFET technology enhances power efficiency.

Flexible communication with SPI interface ensures ease of integration into designs.

Wide operating voltage and temperature ranges accommodate diverse application requirements.

Reliable performance backed by Allegro Microsystems’ reputation in motor control solutions.