UCC28060D

Overview

The UCC28060D is a single-chip interleaved power factor correction (PFC) controller from Texas Instruments, designed for multi-kilowatt communications, server, and industrial systems. It implements two-phase average current-mode control to simplify power design and enhance system reliability. The device achieves a power factor rating greater than 0.9, improving energy efficiency through advanced current synthesis and accurate sensing. Key electrical specifications include a programmable switching frequency range of 30 kHz to 300 kHz and selectable frequency dithering for reduced electromagnetic interference (EMI). It features highly linear multiplier output with internal voltage feed-forward correction for near-unity power factor operation.

Feature Summary

• Interleaved average current mode PWM control for superior efficiency and high power factor
• Advanced current synthesizer ensuring accurate current sensing and phase management
• Highly linear multiplier output with internal voltage feed-forward correction
• Programmable switching frequencies and selectable frequency dithering for EMI reduction

Applications

• Multi-kilowatt communication systems
• Server power supplies
• Industrial power systems

Procurement Notes

Verify the specific suffix 'D' corresponds to the SOIC-20 package variant when sourcing. Confirm that the component matches the official Texas Instruments datasheet parameters for the UCC28060 series. Ensure compatibility with interleaved PFC designs requiring two-phase control. Cross-reference ordering information with authorized distributors to guarantee authenticity and traceability.

Selection Notes

Select this controller for applications requiring high-efficiency power factor correction in multi-kilowatt ranges. The interleaved architecture reduces input and output ripple currents compared to single-phase solutions. Consider the programmable frequency range for optimizing magnetic component size and EMI performance. Ensure the design supports the necessary thermal management for industrial or server environments.

Part Context

The UCC28060D belongs to the UCC28060/UCC28070 family of interleaved PFC controllers. These devices are engineered to provide robust power factor correction for high-power density applications. The family utilizes average current-mode control to deliver precise regulation and improved dynamic response across varying load conditions.

FAQ

What control mode does the UCC28060D utilize?

The UCC28060D utilizes two-phase average current-mode control for interleaved power factor correction.

How does the UCC28060D manage electromagnetic interference?

It provides selectable frequency dithering to reduce electromagnetic interference (EMI) emissions.