The UCC28C43QDRQ1 is a high-performance, BiCMOS current-mode PWM controller from Texas Instruments, specifically engineered for automotive and industrial applications. This versatile controller is designed to deliver precise power regulation and is suitable for a wide range of power supply designs, including DC-DC converters, off-line power supplies, and other power conversion technologies.

Key Features

• Operating Range: The UCC28C43QDRQ1 operates at a voltage range of 10 V to 20 V, making it ideal for various automotive voltage systems.
• Frequency: The device offers a programmable switching frequency up to 1 MHz, allowing designers to optimize their power supply for efficiency or size.
• Current Mode Control: It uses current-mode control to provide fast response to load changes, excellent loop stability, and simplified circuit design.
• Thermal Shutdown: Equipped with a thermal shutdown feature, it ensures protection against overheating, enhancing system reliability.
• Drive Capability: The controller can source up to 1 A and sink up to 2 A, making it capable of driving a wide range of power MOSFETs and IGBTs.

Applications

• Automotive power systems
• DC to DC converters
• Battery chargers
• Power supplies for industrial equipment

Quality and Reliability

The UCC28C43QDRQ1 is qualified for automotive applications, complying with the AEC-Q100 Grade 1 standard, which means it is tested and guaranteed to perform over a temperature range of -40°C to +125°C. This ensures that the device can withstand the harsh conditions found in automotive environments.

Package and Availability

The device is available in a 14-pin SOIC package, which is compact and suitable for space-constrained applications. It is also provided in tape and reel form for ease of handling and assembly during the manufacturing process.

For detailed technical specifications, application notes, and support resources, please visit the Texas Instruments website or contact their support team.