The TB62802AFG is a three-phase brushless DC (BLDC) motor driver from Toshiba Semiconductor and Storage. This integrated circuit is designed to efficiently and reliably control the speed and torque of BLDC motors in a variety of applications. It integrates many functions, contributing to simplified system designs and reduced component counts.

Applications:

• Fan motors for cooling systems (e.g., in servers, PCs, and industrial equipment)
• Pumps (e.g., for fluid circulation in appliances or industrial machinery)
• Robotics (e.g., for joint actuation and precise motor control)
• Power tools (e.g., cordless drills and saws)
• Home appliances (e.g., washing machines, refrigerators, and air conditioners)

Features:

• Three-phase full-wave drive
• Built-in PWM (Pulse Width Modulation) control for speed regulation
• Hall sensor inputs for rotor position detection
• Overcurrent protection (OCP)
• Overtemperature protection (OTP)
• Undervoltage lockout (UVLO)
• Soft switching for reduced EMI (Electromagnetic Interference)
• Built-in charge pump circuit
• Lead-free package

Benefits:

• Precise motor control: The PWM control and Hall sensor feedback enable accurate speed and torque regulation.
• High efficiency: Minimizes power loss and heat generation, contributing to longer motor life and reduced energy consumption.
• Robust protection: OCP, OTP, and UVLO safeguard the IC and the motor from damage due to abnormal operating conditions.
• Simplified system design: The integration of multiple functions reduces the need for external components, saving board space and cost.
• Reduced EMI: Soft switching minimizes electromagnetic interference, ensuring compliance with regulatory standards.
• Reliable operation: Designed for industrial and consumer applications requiring high reliability and long-term performance.

Technical Specifications:

The TB62802AFG typically operates with a supply voltage range of 7V to 42V. It provides output current up to 2.5A. The device is available in a surface-mount package. Please refer to the Toshiba datasheet for the TB62802AFG for detailed electrical characteristics, timing diagrams, and application circuit examples. The datasheet also provides comprehensive information regarding the protection features and thermal considerations for proper operation.

Furthermore, the built-in charge pump allows the device to operate with lower supply voltages, improving its compatibility with battery-powered applications. The Hall sensor inputs are designed to interface with standard Hall-effect sensors, providing accurate rotor position information to the control circuitry.