Texas Instruments

UC2854BMDWREPG4  

Power Factor Correction ICs

UC2854BMDWREPG4 Description

The UC2854BMDWREPG4 is a high-performance Power Factor Correction (PFC) controller IC designed for demanding power management applications. Manufactured by Texas Instruments, this device is part of the Power Management Integrated Circuit (PMIC) category and excels in providing efficient power conversion with minimal harmonic distortion. The UC2854BMDWREPG4 operates in Average Current Mode, ensuring precise control over the input current waveform, which significantly enhances power quality and system efficiency.

UC2854BMDWREPG4 Features

• Mode of Operation: The UC2854BMDWREPG4 operates in Average Current Mode, which is ideal for applications requiring precise control over input current. This mode ensures that the input current waveform closely follows the input voltage waveform, thereby minimizing harmonic distortion and improving power factor.
• Switching Frequency Range: With a switching frequency range of 80kHz to 120kHz, the UC2854BMDWREPG4 offers flexibility in designing power supplies that balance efficiency and size. This wide frequency range allows engineers to optimize their designs for specific application requirements.
• Supply Voltage Range: The device supports a supply voltage range of 10V to 20V, making it suitable for a variety of power supply applications where input voltage levels may vary.
• Low Startup Current: The UC2854BMDWREPG4 features a low startup current of 300 µA, which is crucial for applications where minimal power consumption during startup is essential. This characteristic helps in reducing power loss and improving overall system efficiency.
• Compliance and Packaging: The UC2854BMDWREPG4 is REACH Unaffected and ROHS3 Compliant, ensuring that it meets stringent environmental and safety standards. It is packaged in a Tape & Reel (TR) format, which is ideal for automated assembly processes and ensures high reliability and ease of handling.
• Moisture Sensitivity Level: With a Moisture Sensitivity Level (MSL) of 1 (Unlimited), the UC2854BMDWREPG4 is highly resistant to moisture, making it suitable for use in a wide range of environmental conditions without the need for special handling or storage.

UC2854BMDWREPG4 Applications

The UC2854BMDWREPG4 is ideal for a variety of applications where high efficiency, precise power factor correction, and reliable performance are required. Some specific use cases include:

• AC-DC Power Supplies: The UC2854BMDWREPG4 is well-suited for use in AC-DC power supplies for consumer electronics, industrial equipment, and telecommunications infrastructure. Its ability to operate in Average Current Mode ensures that these power supplies meet stringent power quality standards.
• Uninterruptible Power Supplies (UPS): In UPS systems, the UC2854BMDWREPG4 can help improve the efficiency and reliability of the power conversion process, ensuring that critical loads are supplied with high-quality power during both normal and backup operation.
• Solar Inverters: The device's wide switching frequency range and precise current control make it an excellent choice for solar inverters, where efficient power conversion and minimal harmonic distortion are crucial for grid compatibility.
• Motor Drives: The UC2854BMDWREPG4 can be used in motor drive applications to improve power quality and reduce energy consumption, contributing to more efficient and environmentally friendly motor systems.

Conclusion of UC2854BMDWREPG4

The UC2854BMDWREPG4 from Texas Instruments is a versatile and high-performance PFC controller IC that offers significant advantages over similar models. Its Average Current Mode operation, wide switching frequency range, and low startup current make it an excellent choice for a variety of power management applications. The device's compliance with environmental and safety standards, along with its robust packaging and moisture resistance, ensures that it is suitable for use in a wide range of conditions. Whether used in AC-DC power supplies, UPS systems, solar inverters, or motor drives, the UC2854BMDWREPG4 provides reliable and efficient power conversion, making it a valuable component in modern power management solutions.

UC2854BMDWREPG4 Documents

Download datasheets and manufacturer documentation for UC2854BMDWREPG4

Datasheets :

UC2854B-EP      

HTML Datasheet :

UC2854B-EP      

PCN Design/Specification :

UC2854B-EP Datasheet 21/Dec/2015