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SLA5043 Specifications

Detailed technical information and Application Scenarios

Product Details

PartNumberManufactorQuantityAvailability
SLA5043100Yes

SLA5043** is a high-current, high-voltage power amplifier IC designed for motor control applications.

The SLA5043 is a high-current, high-voltage power amplifier IC designed for motor control applications. Below are the manufacturer specifications, descriptions, and features:

Manufacturer Specifications:

  • Manufacturer: Sanken Electric Co., Ltd.
  • Type: Unipolar Stepper Motor Driver IC
  • Output Configuration: 4-phase unipolar
  • Maximum Supply Voltage (VCC): 50V
  • Output Current (per phase): 3.5A (peak)
  • Power Dissipation (Pd): 30W (with heat sink)
  • Operating Temperature Range: -20°C to +85°C
  • Package Type: SIP-23 (Single In-line Package with 23 pins)

Descriptions:

  • The SLA5043 is a monolithic IC designed for driving unipolar stepper motors in high-power applications.
  • It integrates four Darlington transistor pairs with built-in flyback diodes for inductive load protection.
  • Suitable for industrial automation, robotics, and CNC machines requiring precise motor control.

Features:

  • High Current Capability: Supports up to 3.5A per phase.
  • Built-in Flyback Diodes: Protects against back EMF from inductive loads.
  • Thermal Shutdown: Prevents overheating damage.
  • Low Saturation Voltage: Improves efficiency and reduces power loss.
  • Wide Operating Voltage Range: Compatible with 12V to 50V systems.
  • Easy Drive Logic: Simple input control for phase sequencing.

This IC is optimized for unipolar stepper motor control in demanding environments.

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