Manufacturer Part Number
A4979GLPTR-T
Manufacturer
allegro-microsystems
Introduction
The A4979GLPTR-T is a fully integrated motor driver from Allegro Microsystems, designed for driving bipolar stepper motors. It combines control and power stages in one compact package.
Product Features and Performance
Fully integrated driver for bipolar stepper motors
Supports half-bridge output configuration
SPI and Step/Direction interface options
Utilizes DMOS technology for efficient performance
Offers step resolution options of 1, 1/2, 1/4, 1/16 for precise control
Operates over a wide voltage supply range of 3V to 5.5V
Can drive loads with voltages from 7V to 50V
High temperature operational range from -40°C to 150°C (TJ)
Product Advantages
Integration of control and power stage simplifies design and reduces external component count
Flexible step resolution enhances motor control precision
Wide voltage capabilities enable use with various power supplies and motors
High-temperature endurance ensures reliability in demanding applications
Key Technical Parameters
Current Output: 1.5A
Voltage Supply: 3V ~ 5.5V
Voltage Load: 7V ~ 50V
Operating Temperature: -40°C ~ 150°C (TJ)
Packaging: Tape & Reel (TR)
Package / Case: 28-TSSOP (0.173", 4.40mm Width) Exposed Pad
Quality and Safety Features
Built with robust DMOS technology for reliability
High-temperature resistance enhances safety in various operating conditions
Compatibility
Versatile supply and load voltage ranges suitable for a variety of stepper motors
Application Areas
Suitable for general-purpose applications involving bipolar stepper motor driving
Product Lifecycle
Status: Active
Not currently near discontinuation, with ongoing support and availability
Several Key Reasons to Choose This Product
Combines control and power stage for streamlined application design
High precision in motor control with variable step resolution
Reliable operation across broad voltage and temperature ranges
Supports a wide array of stepper motors, enhancing adaptability
Active product lifecycle status ensures long-term support and availability
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