UCC28516NG4

Overview

The UCC28516NG4 is an advanced Power Factor Correction (PFC) and Pulse Width Modulation (PWM) combined controller manufactured by Texas Instruments. It integrates a PFC controller with a post-regulator PWM controller to simplify power supply designs. The device operates within a temperature range of -40°C to +85°C and utilizes a 20-pin SOIC package. It supports current-mode control techniques for efficient power conversion.

Feature Summary

• Integrates PFC and PWM controllers in a single component
• Supports current-mode control architecture
• Includes post-regulator functionality

Applications

• Power factor correction circuits
• Advanced power supply designs
• Combined PFC/PWM applications

Procurement Notes

Verify the specific suffix 'G4' indicates lead-free compliance and RoHS status as per official documentation. Confirm the 20-pin SOIC package dimensions match your PCB layout requirements. Ensure the operating voltage range aligns with your system's input specifications before procurement.

Selection Notes

Select this component when a unified solution for both power factor correction and voltage regulation is required. It is suitable for designs aiming to reduce component count and board space. Consider the 20-pin package size and thermal characteristics during the initial design phase.

Part Context

This part belongs to the UCC28516 family of power management ICs from Texas Instruments. It is categorized under PMIC - Power Management ICs, specifically within the Power Factor Correction sub-category. The device is designed for high-efficiency power conversion applications requiring integrated control strategies.

Replacement Considerations

Check for direct pin-to-pin replacements within the same family or series. Verify compatibility with existing control loops and feedback networks. Consult official substitution guides for any functional differences in newer revisions.