Texas Instruments

UC3625Q

UC3625Q Description

The UC3625Q from Texas Instruments is an obsolete but robust motor driver IC designed for brushless DC (BLDC) motor control applications. Operating within a 10V to 18V supply range, this surface-mount device integrates Power MOSFET and Power Darlington technologies, ensuring efficient power handling and reliable performance. Packaged in a 28-pin PLCC (Plastic Leaded Chip Carrier) and shipped in tube packaging, the UC3625Q is suited for general-purpose motor control in industrial and consumer electronics.

UC3625Q Features

• Wide Voltage Range: Supports 10V–18V operation, accommodating diverse power requirements.
• Advanced Motor Control: Optimized for BLDC motors, offering precise speed and direction control.
• Robust Construction: Combines Power MOSFET and Darlington outputs for high-current drive capability.
• Compliance: ROHS3 compliant and REACH unaffected, meeting environmental standards.
• Reliability: Rated for MSL 3 (168 hours) moisture sensitivity and 0°C to 70°C junction temperature operation.
• Parallel Interface: Simplifies integration with microcontrollers or logic circuits.

UC3625Q Applications

The UC3625Q excels in applications requiring compact, efficient motor control, such as:

• Industrial Automation: BLDC motor drives for conveyor systems, robotics, and CNC machines.
• Consumer Electronics: Cooling fans, drones, and small appliance motors.
• Automotive Auxiliary Systems: Fuel pumps, HVAC blowers, and wiper motors.
• Medical Devices: Precision motor control in pumps and diagnostic equipment.

Conclusion of UC3625Q

While obsolete, the UC3625Q remains a high-performance solution for BLDC motor control, offering durability, compliance, and versatility. Its parallel interface and wide voltage range make it ideal for legacy systems or designs prioritizing proven reliability. Engineers seeking alternatives should consider TI’s newer motor drivers, but the UC3625Q’s balanced power handling and ease of integration ensure its relevance in specific use cases.