The TB6640AFTG(O,EL) is a dual H-bridge driver IC manufactured by Toshiba Semiconductor and Storage. It is designed for driving brushed DC motors in a variety of applications, providing efficient and reliable motor control. This IC is characterized by its low on-resistance, which contributes to minimal power loss and improved thermal performance.

Applications:

• Robotics: Motor control for robot wheels, arms, and other actuators.
• Consumer Electronics: Motorized lens control in cameras, and DVD/Blu-ray players.
• Office Automation: Paper feed and carriage control in printers and copiers.
• Gaming Devices: Haptic feedback systems in game controllers and other peripherals.
• Industrial Equipment: Motorized valves, dampers, and other control elements.

Features:

• Dual H-Bridge Driver: Enables independent control of two DC motors or bidirectional control of a single motor.
• Low On-Resistance: Minimizes power dissipation and improves efficiency.
• Built-in Thermal Shutdown Circuit: Protects the IC from overheating and damage.
• Overcurrent Protection: Prevents damage to the IC and the motor in case of overcurrent conditions.
• Under Voltage Lockout (UVLO): Ensures proper operation during power-up and prevents erratic behavior.
• PWM Control: Allows for precise speed and torque control of the motors.
• Small Package: Compact package for space-saving designs.

Benefits:

• Efficient Motor Control: Low on-resistance and PWM control enable efficient and precise motor operation.
• Reliable Operation: Built-in protection features ensure robust and reliable performance.
• Simplified Design: Integrated features reduce the need for external components.
• Compact Solution: Small package size allows for integration into space-constrained applications.
• Cost-Effective: Integrated functionality reduces overall system cost.

Technical Specifications:

The TB6640AFTG(O,EL) typically operates with a supply voltage range of 2.5V to 15V, making it suitable for various battery-powered and line-powered applications. It can deliver a continuous output current of up to 0.7A per channel, and supports PWM frequencies up to several hundred kHz. The IC is available in a small surface-mount package, making it easy to integrate into modern circuit board designs. The thermal shutdown and overcurrent protection features are designed to prevent damage to the device and the connected motor, ensuring reliable long-term operation.

The device is Pb-free and RoHS compliant, adhering to environmental regulations.