TPS2592AADRCR

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Introduction to TPS2592AADRCR

The TPS2592AADRCR is a hot swap controller designed by Texas Instruments. It is a part of the Power Management Integrated Circuit (PMIC) family. The device is designed to be used as a hot swap controller, providing power to external load devices such as asynchronous Logic orphan circuits during disconnection from the main power supply. It features a wide input voltage range from 4.7V to 20V, high output voltage from 0.6V to 4V, and adjustable output current up to 20A. The device also supports under-voltage and over-voltage control for both input and output.

Application

The TPS2592AADRCR hot swap controller is primarily used in mobile applications such as cell phones, PDAs, and portable audio and video players. However, it is also suitable for use in other circuit boards and computer-related applications where voltage regulation and current protection are required. In addition, it can be used to manage the power supply to external load devices such as sensor circuits and LED drivers.

The TPS2592AADRCR can also be used in PoE (Power-over-Ethernet) applications requiring hot swapping functionality. In these applications, a low-power, inexpensive device requires protection from over-voltage and over-current, without compromising its power-saving abilities. The TPS2592AADRCR can be used in PoE systems to protect such peripheral devices and ensure reliability and cost savings.

Working Principle

The TPS2592AADRCR works by detecting the presence of the main power source and regulating the output to provide a constant voltage and current source to the external load device. The device also features over-voltage protection and current limiting features to protect itself from damage. When the input power is removed, the controller will shut down the output to prevent any further power flow. The device also includes adjustable soft-start and power safe-start time delays for safe, reliable system operation.

The TPS2592AADRCR also offers an under-voltage lockout capability that allows the user to preset a certain voltage threshold, above which the device will automatically shut down the output. This is useful in applications where a minimum input voltage is required to be maintained to prevent potential damage to the system. Additionally, the device can be configured to automatically reset itself if the input voltage meets or exceeds the preset threshold.

The TPS2592AADRCR also offers a wide range of monitoring and control functions to ensure safe and reliable power supply operations. The device includes an over-current protection feature that will shut down the output when current value exceeds the set threshold. The device also includes an under-voltage monitoring function that will shut down the output if the input voltage falls below a predetermined voltage. The device can also be configured to provide last ditch protection by cutting off the power supply if the output voltage is abnormally low.

Overall, the TPS2592AADRCR hot swap controller is an ideal solution for both mobile and computer applications where power management, cost savings and protection from over-voltage and over-current conditions are essential.

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