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SLA7043 Specifications

Detailed technical information and Application Scenarios

Product Details

PartNumberManufactorQuantityAvailability
SLA7043SK406Yes

SLA7043** is a high-current, unipolar stepper motor driver IC manufactured by **Allegro MicroSystems**.

The SLA7043 is a high-current, unipolar stepper motor driver IC manufactured by Allegro MicroSystems.

Specifications:

  • Output Current: Up to 3 A per phase
  • Supply Voltage (VS): 10V to 46V
  • Logic Voltage (VCC): 4.5V to 5.5V
  • PWM Current Control: Fixed off-time chopping
  • Step Modes: Full-step, half-step, and microstepping (via external control)
  • Thermal Protection: Built-in thermal shutdown
  • Package: 18-pin SIP (Single In-line Package)

Descriptions:

  • Designed for driving unipolar stepper motors with high torque and precision.
  • Features PWM current regulation for smooth motor operation.
  • Includes thermal shutdown to prevent overheating.
  • Compatible with microcontroller-based stepper motor control systems.

Features:

  • High Current Output: Supports up to 3A per phase.
  • Wide Voltage Range: Operates from 10V to 46V.
  • Chopper Drive: Reduces power dissipation.
  • Protection Circuits: Overheat shutdown and under-voltage lockout.
  • Easy Interface: Works with standard logic-level signals (TTL/CMOS).

This IC is commonly used in CNC machines, 3D printers, robotics, and industrial automation for precise stepper motor control.

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