UCC2895QDWRQ1 Integrated Circuits (ICs)

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Power management integrated circuit (PMIC) 1 devices can conveniently provide the voltage levels and amount of current needed by a variety of subsystems, allowing for the optimized management of all elements of the power supply. PMIC can come in a variety of forms, from AC-DC converters and offline switcher, to voltage regulator and current regulator, depending on the type of device and its power management needs. UCC2895QDWRQ1 is an example of an AC-DC and offline switcher PMIC.

The UCC2895QDWRQ1 AC-DC and offline switcher PMIC is an offline single-stage AC-DC converter with power factor correction (PFC) stage. This device is intended for use in commercial or industrial power applications requiring high efficiency, high power factor, and tight output regulation. UCC2895QDWRQ1 is designed to provide up to 50W of output power and is rated at 87% efficiency with power factor correction.

The UCC2895QDWRQ1 requires an input voltage of up to 370V AC, making it suitable for a wide range of applications. This device also features a comprehensive suite of protections including overvoltage, undervoltage, and overtemperature. Additionally, UCC2895QDWRQ1 includes an integrated, low-loss primary-side PFC controller, allowing for the optimized management of power delivery, increasing efficiency and maximizing system power accuracy.

The working principle of UCC2895QDWRQ1 is based on two major stages working in tandem. First, the PFC stage provides active power factor correction, resulting in high power factor (greater than 0.90) over a broad input voltage range. This resolves any power issues related to harmonics and eliminates wasted power, improving efficiency and overall system performance. The second stage is the offline power stage which is a single-stage AC-DC converter with a peak current mode control that ensures the tightest required load regulation. This performs all buck-switching, resulting in quick transient response and efficient power conversion.

UCC2895QDWRQ1 is an ideal AC-DC and offline switcher PMIC device for a variety of demanding applications including industrial, automotive, telecommunications, and appliances. Its active PFC stage allows for a smooth, power-efficient distribution of power, while its peak current mode control provides highly accurate output regulation even under tight load conditions. With up to 50W output power and up to 370V AC input voltage, UCC2895QDWRQ1 is a great choice for a wide range of power management applications.

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