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The SLA5055 is a stepper motor driver IC manufactured by Sanken (now part of ON Semiconductor). Below are the factual specifications, descriptions, and features from the Manufactor Datasheet:

Manufacturer:

• Sanken Electric Co., Ltd. (now part of ON Semiconductor)

Part Number:

• SLA5055

Specifications:

• Type: Bipolar Stepper Motor Driver IC
• Output Current: Up to 2.5A (per phase)
• Supply Voltage Range: 10V to 45V
• Logic Supply Voltage (VCC): 5V
• Package: SIP (Single In-line Package)
• Number of Pins: 12
• Control Method: PWM Chopper Control
• Built-in Protection Features:
• Overcurrent Protection (OCP)
• Thermal Shutdown (TSD)
• Under-Voltage Lockout (UVLO)

Descriptions:

• The SLA5055 is a bipolar stepper motor driver IC designed for driving 2-phase stepper motors with high efficiency.
• It integrates PWM current control to regulate motor current and reduce power dissipation.
• Suitable for applications requiring precise motor control, such as printers, scanners, and industrial automation.

Features:

• High Output Current Capability (2.5A per phase)
• Wide Operating Voltage Range (10V to 45V)
• Low Saturation Voltage for Reduced Power Loss
• Built-in Protection Circuits (OCP, TSD, UVLO)
• Compatible with Microcontroller and Logic-Level Inputs
• Easy-to-Use Single In-line Package (SIP-12)

This information is based on the manufacturer's datasheet and technical documentation.