TB67H450 2CH 50V 3.5A DC Brushed Motor Driver IC SOP-8

TB67H450 2-Channel 50V 3.5A DC Brushed Motor Driver IC (SOP-8) delivers robust, high-efficiency control for brushed DC motors in robotics, automation, and industrial systems. This dual-channel driver supports PWM speed control and integrates protection features for reliable operation under heavy loads.

Key Features:

• Dual-Channel Control: Drives two brushed DC motors independently with 3.5A continuous current per channel.
• High Voltage Support: Handles up to 50V DC input for industrial-grade applications.
• PWM Speed Control: Enables precise motor speed adjustment via pulse-width modulation.
• Built-in Protections: Integrates thermal shutdown, overcurrent, and under-voltage lockout (UVLO) safeguards.
• SOP-8 Package: Compact surface-mount design for space-constrained PCBs.

Technical Specifications:

• Operating Voltage: 10V–50V DC
• Output Current: 3.5A per channel (peak 5A)
• Control Interface: Logic-level inputs (3.3V/5V compatible)
• PWM Frequency: Up to 100 kHz
• Efficiency: >90% (typical at full load)

Mechanical Specifications:

• Package Type: SOP-8 (Surface-Mount)
• Pin Material: Lead-free, RoHS-compliant tin plating
• Thermal Resistance: 40°C/W (junction-to-ambient)

Dimensions:

• Package Size: 4.9mm × 3.9mm × 1.75mm (L×W×H)
• Lead Pitch: 1.27mm

Pinout and Wiring:

• Pin 1 (VCC1): Logic power supply (3.3V/5V)
• Pin 2 (IN1): Channel 1 PWM control input
• Pin 3 (GND): Ground connection
• Pin 4 (OUT1): Channel 1 motor output
• Pin 5 (OUT2): Channel 2 motor output
• Pin 6 (IN2): Channel 2 PWM control input
• Pin 7 (VM): Motor power supply (10V–50V)
• Pin 8 (VCC2): Additional logic supply (optional)

Datasheet Reference:

• Download the TB67H450 datasheet from the manufacturer’s website for detailed schematics, timing diagrams, and application notes.

Applications:

• Robotics: Controls drive motors in DIY robots and automated systems.
• CNC Machines: Powers brushed motors in small-scale CNC setups.
• Industrial Automation: Integrates into conveyor belts and actuator controls.
• Automotive: Drives auxiliary motors in automotive electronics.

Equivalent Models:

• DRV8871: Single-channel alternative with similar current ratings.
• L298N: Dual H-bridge driver (DIP package, lower voltage).
• VNH5019: High-current motor driver with SPI interface.

Package Includes:

• 1 x TB67H450 2-Channel Motor Driver IC (SOP-8)