UCC28516DW Description
The UCC28516DW is a high-performance Power Factor Correction (PFC) controller designed by Texas Instruments. This IC operates in average current mode and is optimized for high-efficiency power conversion in a wide range of applications. The UCC28516DW features a switching frequency of 200kHz, ensuring fast transient response and high power density. It is designed to operate within a supply voltage range of 9.7V to 18V, making it suitable for various input voltage scenarios. The device is packaged in a 20SOIC format, which is ideal for surface mount applications, providing robustness and ease of integration into compact designs.
UCC28516DW Features
- Average Current Mode Control: The UCC28516DW employs average current mode control, which ensures precise regulation of the input current, leading to high power factor correction and low total harmonic distortion (THD). This mode of operation is particularly beneficial in applications requiring high efficiency and power quality.
- Wide Input Voltage Range: With a supply voltage range of 9.7V to 18V, the UCC28516DW can accommodate a variety of input voltage conditions, making it versatile for different power supply designs.
- High Switching Frequency: The 200kHz switching frequency allows for the use of smaller inductors and capacitors, reducing the overall size and cost of the power supply while maintaining high efficiency.
- Low Startup Current: The UCC28516DW requires only 100 µA for startup, which minimizes power consumption during the initial power-up phase, contributing to energy savings.
- Compliance and Packaging: The device is REACH unaffected and RoHS3 compliant, ensuring it meets stringent environmental and safety standards. It is available in a tube package, which is suitable for surface mount technology (SMT) and facilitates automated assembly processes.
- Moisture Sensitivity Level (MSL): The MSL rating of 1 (Unlimited) means the UCC28516DW can be stored and handled without the need for special moisture protection, simplifying logistics manufacturing and processes.
UCC28516DW Applications
The UCC28516DW is ideal for a variety of applications where high efficiency, power density, and power factor correction are critical. These applications include:
- Switching Power Supplies: Ideal for high-efficiency power supplies in consumer electronics, industrial equipment, and telecommunications infrastructure.
- Solar Inverters: Enhances the power quality and efficiency of solar inverters, ensuring optimal energy conversion and grid compatibility.
- Motor Drives: Provides efficient power conversion for motor drives, contributing to energy savings and improved performance.
- Uninterruptible Power Supplies (UPS): Ensures reliable and efficient power conversion in UPS systems, maintaining power quality during critical operations.
Conclusion of UCC28516DW
The UCC28516DW from Texas Instruments stands out as a robust and versatile PFC controller, offering significant advantages over similar models. Its average current mode control, wide input voltage range, and high switching frequency make it an excellent choice for applications requiring high efficiency and power density. The low startup current and compliance with environmental standards further enhance its appeal. The UCC28516DW is particularly well-suited for applications in switching power supplies, solar inverters, motor drives, and UPS systems, where its performance benefits can lead to substantial energy savings and improved power quality.