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A3977SLPTR-T Specifications

Detailed technical information and Application Scenarios

Product Details

PartNumberManufactorQuantityAvailability
A3977SLPTR-TALLEGRO 3790Yes

Part Number:** A3977SLPTR-T **Manufacturer:** Allegro MicroSystems ### **Description:** The A3977SLPTR-T is a microstepping motor driver with a built-in translator, designed for bipolar stepper motors.

Part Number: A3977SLPTR-T

Manufacturer: Allegro MicroSystems

Description:

The A3977SLPTR-T is a microstepping motor driver with a built-in translator, designed for bipolar stepper motors. It operates from a single power supply and integrates a low RDS(ON) DMOS full-bridge output stage for efficient motor control.

Key Features:

  • Microstepping Capability: Supports full, half, quarter, and eighth-step modes.
  • Wide Operating Voltage Range: 8V to 35V.
  • Output Current: Up to ±2.5A continuous, ±3.5A peak.
  • Low RDS(ON) DMOS Outputs: Reduces power dissipation.
  • Integrated Translator: Simplifies motor control by eliminating the need for external logic.
  • Mixed Decay Modes: Enhances current regulation for smooth motor operation.
  • Thermal Shutdown & Overcurrent Protection: Safeguards the device and motor.
  • Synchronous Rectification: Improves efficiency by reducing power dissipation.
  • Adjustable Current Control: Allows precise motor current regulation.
  • Package: 24-lead TSSOP with exposed thermal pad (EP).

Applications:

  • Industrial automation
  • Robotics
  • 3D printers
  • CNC machines
  • Medical equipment

This device is RoHS compliant and operates over an extended temperature range.

(End of specifications.)

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