UCC28051DRG4

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Among the many power management ICs (PMICs) available, the UCC28051DRG4 series is a high-performance power factor correction (PFC) controller created by Texas Instruments (TI). This controller enables high-performance and high-integrity power factor correction power conversion circuit applications. It is used in a wide range of applications including appliances, lighting, computers, and motor drives.

The UCC28051DRG4 solves many of the problems associated with traditional PFC designs, such as overshoot, undershoot, efficiency loss, and system level startup conditions. It helps improve the reliability and robustness of the system by keeping the power factor greater than 0.99, helping to reduce the total harmonic distortion (THD), and providing fast transient response.

The IC has a wide voltage operating range of 6.0 V to 42 V and is designed to be a stand-alone solution, minimizing the number of external components. Its integrated error amplifier, peak current mode control, and low-side and high-side gate drivers simplify the design, help reduce cost and minimize size. The IC has an input line sensitivity range of 6 to 135 Vrms, which makes it ideal for use with a wide range of AC input voltages. The output voltage of the UCC28051DRG4 can be adjusted from –2 V to +20 V.

The UCC28051DRG4 is an ideal choice for high performance PFC solutions. It is versatile and provides a wide range of features, including a high level of integration and a low total bill of materials (BOM) cost. The device includes low-side and high-side gate drivers, a peak current-mode-control loop, and a voltage regulation loop. The low-side and high-side gate drivers are used to control the output voltage of the converter. The peak current-mode-control is used to control the input power and the voltage regulation loop is used to regulate the output voltage. All of these features ensure a high efficiency.

In addition, the device provides protection against current and voltage overloads, as well as under-voltage and over-voltage conditions. It also has an adjustable hysteretiс current limit threshold and foldback limit. This combination provides an additional level of system integrity, allows the user to customize the device to their specific application.

The UCC28051DRG4 works by accepting an AC input and converting it to a DC output that can be used by the load. The device monitors the phase angle between the current and voltage to ensure the load and converter are synchronized. The controller has an adjustable PFC-Loop that can be adjusted to meet the application requirements. The device also has an adjustable peak current limit threshold and a foldback limit that can be used to protect the system in case of overloads. The output voltage can be adjusted via the voltage regulation loop, which allows the users to adjust the output voltage depending on the application needs.

The UCC28051DRG4 is highly integrated and versatile, and is an ideal choice for high performance PFC designs. It offers the flexibility of easy customization for various applications, and helps improve system reliability and performance.

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