TPS2590RSAR Integrated Circuits (ICs)

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The TPS2590RSAR, belonging to the PMIC - Hot Swap Controllers family, is a robust device designed to provide overcurrent protection (OCP) and to support a wide range of voltage, current and power levels. This Hot Swap Controller replaces the countless discrete Hot Swap components previously used to control the power in a wide range of systems and applications.

The TPS2590RSAR is a low-side Hot Swap MOSFET Controller solution for connecting a load, such as a power supply, to a power circuit. The device also features a high-side current sense circuit that provides feedback and regulation of the load current. This functionality provides dynamic power control when connecting and disconnecting a load from a live power source.

The TPS2590RSAR provides the following functions:

• Overcurrent protection (OCP) to limit the maximum load current.
• Overvoltage protection (OVP) to protect the load from high source voltages.
• Undervoltage protection (UVP) to protect the load from low source voltages.
• Short-circuit/load fault detection and automatic shutdown.
• Control input to enable and disable the MOSFET.
• Thermal shutdown to protect the system from overheating.
• 85V rated gate drive for robust MOSFET switching.
• A low current sense resistor to minimize power dissipation.

The main application fields of the app include: Battery Powered Equipment, Network Edge Equipment, Dual PCIE Power Supply Requirements, Hot-Plug Systems,High Current Bus Architecture and Automotive.

TPS2590RSAR is a simple, readily-available device that offers maximum flexibility and reliability in controlling the power in systems and applications that require overcurrent protection and dynamic power control. This device integrates all the functionality required to complete a Hot Swap application while providing the use of a low current sense resistor.

The TPS2590RSAR provides users with a comprehensive list of features in order to achieve maximum flexibility. The device offers comprehensive protection against overcurrent and overvoltage conditions, as well as thermal and undervoltage protection. Furthermore, the gate drive of the device is rated at 85V, which eliminates the need to use an external gate driver.

The device utilizes a low current sense resistor to minimize power dissipation and allows for better control of the current. This is especially useful in applications that require precise current control. The device also has an adjustable overvoltage threshold and deadtime control features, which provide users with further flexibility when operating their system.

The working principle of the TPS2590RSAR is based on the use of a current sense MOSFET, which is connected to the hot-swappable system and load. The Hot Swap Controller monitors the current draw of the load, and if the value exceeds the supplied threshold it will activate the MOSFET, disconnecting the load from the power source. At the same time, the controller will send a signal to the system to inform it that a fault has occurred. The controller will then shut down the system and the MOSFET will remain off until the fault has been corrected.

In summary, the TPS2590RSAR is a powerful and reliable Hot Swap Controller solution that provides users with maximum flexibility and reliability in controlling the power in systems and applications that require overcurrent protection and dynamic power control.

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