UCC3919PWTR

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UCC3919PWTR is designed for PMIC (Power Management IC) - Hot Swap Controllers as a robust power supply management solution. It enhances system performance by efficiently controlling a wide range of critical power supply components, including hot swap FETs, hot-plug power supplies, custom power systems, and battery charging circuits. UCC3919PWTR is optimized for ultra-low voltage electrical power applications, such as digital components and some isolated power supply modules.

UCC3919PWTR can effectively reduce power loss and enhance power efficiency. Besides, it also features a DC voltage protector or a MOSFET (metal-oxide-semiconductor field-effect transistors) current limiter that can provide galvanic isolation from the load. In addition, UCC3919PWTR can be easily configured with a wide range of externally selectable parameters allowing the user to further customize their application performance.

The working principle of UCC3919PWTR can be divided into two parts, the voltage control and the current control. In the voltage control, the embedded microcontroller continuously monitors the input voltage and adjusts the output voltage accordingly. It can be configured to provide either linear or constant-frequency regulation. The current control part consists of two internal MOSFET drivers, which switch two low-side FETs that control the current. The current threshold is set with a programmable value, either through the I2C or via the power good pin.

UCC3919PWTR is used in a wide range of applications, including backup power systems, telemetry, power distribution, telecom infrastructure, medical devices, automotive, consumer electronics and industrial systems. It is designed to efficiently provide power supplies in hot-plug applications, offering voltage and current control in addition to advanced diagnostics, shutdown and protection.

UCC3919PWTR can provide two distinct services: turn-on or off the device as well as controlling the voltage and current. By using standard measurement methods, it can detect the current or voltage of power being provided to a device. This allows the device to adjust the output power accordingly, based on user programming.

UCC3919PWTR also has a high-side biasing voltage source that can be used to reduce a system\'s total power consumption by providing a power boost. It is especially useful in applications that require a high precision of control, such as high-performance servers or large system clusters. With its robust power supply design, UCC3919PWTR is able to provide a reliable circuit protection, as well as effective management of system power.

UCC3919PWTR is a highly reliable and efficient solution for providing power supply in hot-plug applications. Its hot swap controller design can provide excellent protection against short-circuits and other power supply problems, while allowing for low power consumption and better system performance. Its combination of self-diagnostics, efficient power supply management, and controlled current and voltage output makes it the ideal choice for many hot-plug power supply applications.

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