Texas Instruments

UCC28502DWG4

UCC28502DWG4 Description

The UCC28502DWG4 is a Power Factor Correction (PFC) controller IC designed for average current mode operation, offering high performance and efficiency in power management applications. Manufactured by Texas Instruments, this IC is housed in a 20SOIC package and is suitable for surface mount applications. Despite its obsolete status, the UCC28502DWG4 remains a reliable choice for specific power management needs.

UCC28502DWG4 Features

• Mode of Operation: The UCC28052DWG4 operates in average current mode, providing precise control over the input current waveform, which enhances power factor correction and reduces harmonic distortion.
• Switching Frequency: With a switching frequency of 100kHz, the IC ensures efficient power conversion and minimal electromagnetic interference (EMI), making it suitable for applications requiring high-frequency operation.
• Supply Voltage Range: The IC operates within a supply voltage range of 9.7V to 18V, offering flexibility in power supply design and ensuring compatibility with various power sources.
• Current Draw: The UCC28502DWG4 has a low startup current of 150 µA, which minimizes power consumption during the initial startup phase, contributing to overall system efficiency.
• Compliance and Safety: The IC is REACH unaffected and ROHS3 compliant, ensuring it meets stringent environmental and safety standards. Additionally, it has a moisture sensitivity level (MSL) of 2 (1 Year), making it suitable for a wide range of manufacturing environments.
• Packaging: The UCC28502DWG4 is available in a tube package, which facilitates easy handling and integration into surface mount assembly processes.

UCC28502DWG4 Applications

The UCC28502DWG4 is ideal for applications requiring efficient power factor correction and high-frequency operation. Specific use cases include:

• AC-DC Power Supplies: Enhances the efficiency and performance of power supplies by correcting the power factor and reducing harmonic distortion.
• High-Power LED Lighting: Provides precise current control, ensuring consistent brightness and extended lifespan of LED systems.
• Telecommunications Equipment: Ensures reliable power management in telecom infrastructure, where high-frequency operation and low EMI are critical.
• Industrial Control Systems: Offers robust power management solutions for industrial applications, where precise control and high efficiency are paramount.

Conclusion of UCC28502DWG4

The UCC28502DWG4 from Texas Instruments is a versatile PFC controller IC that excels in average current mode operation. Its high switching frequency, low startup current, and broad supply voltage range make it suitable for a variety of power management applications. Despite being marked as obsolete, the UCC28502DWG4 remains a reliable choice for specific needs, offering compliance with environmental and safety standards. Its unique features and advantages over similar models make it an ideal solution for AC-DC power supplies, high-power LED lighting, telecommunications equipment, and industrial control systems.