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The BA6664FM is a motor driver IC manufactured by ROHM Semiconductor. Below are its key specifications, descriptions, and features:

Specifications:

• Manufacturer: ROHM Semiconductor
• Type: Brushless DC Motor Driver IC
• Operating Voltage Range: 4.5V to 15V
• Output Current: Up to 1.5A (peak)
• Package: SSOP-B20 (Surface Mount)
• Control Method: PWM (Pulse Width Modulation)
• Built-in Protection Features: Overcurrent, Thermal Shutdown, Undervoltage Lockout (UVLO)
• Commutation Method: Hall Sensor Input (120° or 150° drive)
• Operating Temperature Range: -20°C to +85°C

Descriptions:

The BA6664FM is designed for driving small brushless DC motors efficiently. It integrates a pre-driver, protection circuits, and logic control to simplify motor drive applications. It supports both 120° and 150° commutation methods, making it suitable for various motor types.

Features:

• Low Power Consumption: Optimized for energy efficiency.
• Hall Sensor Input: Supports motor position detection.
• FG (Frequency Generator) Output: Provides speed feedback.
• Forward/Reverse Rotation Control: Adjustable via input pins.
• Soft Switching: Reduces motor noise and EMI.
• Compact Package: SSOP-B20 for space-saving PCB designs.

This IC is commonly used in applications such as cooling fans, small appliances, and office automation equipment.

(Note: Always refer to the official datasheet for detailed electrical characteristics and application guidelines.)