Manufacturer Part Number
A3977SEDTR-T
Manufacturer
allegro-microsystems
Introduction
Power Management IC for Bipolar Stepper Motors
Product Features and Performance
Fully integrated driver for bipolar stepper motors
Half-bridge output configuration
Interface logic compatible
DMOS technology driven
Multiple step resolution settings: full, half, quarter, and eighth steps
Suitable for general-purpose stepper motor applications
Product Advantages
High current output capability up to 2.5A
Wide voltage supply range from 3V to 5.5V
Operates across a broad voltage load range of 8V to 35V
Can withstand high operating temperatures ranging from -20°C to 150°C
Key Technical Parameters
Motor Type - Stepper: Bipolar
Output Configuration: Half Bridge (4)
Interface: Logic
Step Resolution: 1, 1/2, 1/4, 1/8
Current - Output: 2.5A
Voltage - Supply: 3V ~ 5.5V
Voltage - Load: 8V ~ 35V
Operating Temperature: -20°C ~ 150°C (TJ)
Quality and Safety Features
High-temperature durability
Integrated power stages for reliability
Compatibility
Surface mount configuration
44-LCC (J-Lead) package
Application Areas
General-purpose stepper motor control applications
Product Lifecycle
Obsolete status
Availability of replacements or upgrades should be checked with the manufacturer or vendors
Several Key Reasons to Choose This Product
Suitable for applications requiring a high level of integration to reduce complexity
High-temperature endurance for demanding environments
Capable of driving a wide range of bipolar stepper motors
Compact surface mount package for space-constrained applications
Flexible step resolution catering to various precision requirements
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A3977SEDTR