Manufacturer Part Number
A3981KLPTR-T
Manufacturer
allegro-microsystems
Introduction
The A3981KLPTR-T is a fully integrated stepper motor driver from Allegro Microsystems, designed for powering and controlling bipolar stepper motors.
Product Features and Performance
Fully integrated driver for bipolar stepper motors
Supports a variety of step resolutions: full, half, quarter, and sixteenth step
Utilizes DMOS technology for improved performance
Integrates control and power stage in one device
Offers Half Bridge (4) output configuration
SPI and Step/Direction interface options for versatile control
Operates within a wide voltage range: 3V to 5.5V (Supply), and 7V to 28V (Load)
Capable of delivering up to 1.4A current output
Supports extreme operating temperature range from -40°C to 150°C (TJ)
Product Advantages
High integration reduces complexity and the need for additional components
Flexible step resolution enhances precision in motor control
Broad voltage and current support accommodates a range of motor sizes and types
High-temperature operation suitable for automotive and industrial applications
Robust DMOS technology enhances performance and reliability
Key Technical Parameters
Motor Type: Bipolar Stepper
Step Resolution: 1, 1/2, 1/4, 1/16
Current Output: 1.4A
Voltage Supply: 3V ~ 5.5V
Voltage Load: 7V ~ 28V
Operating Temperature: -40°C ~ 150°C (TJ)
Mounting Type: Surface Mount
Package / Case: 28-TSSOP with Exposed Pad
Quality and Safety Features
Built to meet automotive grade requirements
Robust against thermal and electrical stress
Compatibility
Interface compatibility with SPI and Step/Direction inputs allows easy integration into existing systems
Application Areas
Automotive applications
Industrial Automation
Precision positioning systems
Robotics
Product Lifecycle
Status: Active
Not currently nearing discontinuation, ensuring long-term availability
Check with manufacturer for possible future upgrades or replacements
Several Key Reasons to Choose This Product
High integration and performance for comprehensive motor control
Support for a range of motor operating parameters and easy interfacing options
Robust design suitable for demanding applications
Long-term availability as an active product
Manufactured by Allegro Microsystems, a reputable name in motor control solutions