Product Overview: Texas Instruments UCC28070QPWRQ1

The UCC28070QPWRQ1 is an advanced power factor correction (PFC) controller from Texas Instruments, specifically designed to meet the rigorous demands of automotive and industrial applications. This integrated circuit is engineered to enhance the efficiency and reliability of systems that require power factor correction, such as electric vehicles, industrial motor drives, and power supplies.

Key Features

• Interleaved Dual-Phase Operation: The UCC28070QPWRQ1 operates two PFC converters in an interleaved fashion, which reduces input and output ripple currents, thereby minimizing the required size of the magnetic and filter components.
• Advanced Current-Shaping: It employs advanced current shaping techniques to achieve near-unity power factor, which ensures compliance with international power quality standards and reduces stress on the power grid.
• Wide-Range Input Voltage: This controller is capable of handling a wide input voltage range, making it versatile for various global automotive and industrial power standards.
• Programmable Switching Frequency: The device allows for a programmable switching frequency up to 500kHz, which can be optimized for the application to reduce electromagnetic interference (EMI) or to improve efficiency.
• Robust Protection Features: It includes an array of protection features such as overvoltage, undervoltage, overcurrent, and thermal shutdown, ensuring the safety and longevity of the end application.

Automotive-Quality Standards

The UCC28070QPWRQ1 meets stringent automotive quality standards, including AEC-Q100 qualification. This ensures reliable operation under the harsh conditions typically found in automotive environments, such as wide temperature ranges and exposure to vibrations and shocks.

Package and Availability

This PFC controller is available in a 20-pin TSSOP (Thin Shrink Small Outline Package) with PowerPAD™ for enhanced thermal performance. The compact package size allows for a smaller PCB footprint, which is crucial in space-constrained automotive applications.

Applications

• Automotive Power Supplies
• Electric and Hybrid Electric Vehicles
• Industrial Motor Drives
• AC-DC Power Supplies

The Texas Instruments UCC28070QPWRQ1 is a robust and versatile PFC controller that delivers high efficiency and reliability, making it an ideal choice for designers looking to enhance the performance of their power systems in automotive and industrial settings.