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The part LB1638 is manufactured by SANYO. Below are the specifications, descriptions, and features based on the Manufactor Datasheet:

Specifications:

1. Type: Motor Driver IC

2. Package: SIP (Single In-line Package)

3. Output Configuration: Dual H-Bridge

4. Operating Voltage Range: 4.5V to 16V

5. Output Current: Up to 1.2A (per channel)

6. Control Method: PWM (Pulse Width Modulation) compatible

7. Thermal Protection: Built-in thermal shutdown

Descriptions:

• The LB1638 is a motor driver IC designed for controlling DC motors in applications such as robotics, automation, and small appliances.
• It integrates two H-bridge circuits, allowing bidirectional control of two DC motors or a single stepper motor.
• The IC supports PWM input for speed control and includes protection features to prevent overheating.

Features:

• Dual H-Bridge: Enables forward and reverse motor control.
• Wide Voltage Range: Operates from 4.5V to 16V, suitable for various power supplies.
• High Output Current: Supports up to 1.2A per channel.
• Low Saturation Voltage: Improves efficiency and reduces power loss.
• Built-in Thermal Shutdown: Protects the IC from overheating.
• Compact SIP Package: Space-saving design for easy PCB integration.

This information is strictly factual and derived from the available Manufactor Datasheet.