TPS2342PFPR

Features:	Latched Fault, Thermal Limit, UVLO
Base Part Number:	TPS2342
Feature Pins:	--
Supplier Device Package:	80-HTQFP (12x12)
Package / Case:	80-TQFP Exposed Pad
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C
Current - Output (Max):	100mA, 375mA, 500mA
Voltage - Supply:	1.5V, 3.3V, 5V, ±12V
Programmable Features:	Current Limit, Slew Rate
Series:	--
Applications:	PCI, PCI-X
Internal Switch(s):	Both
Number of Channels:	12
Type:	Hot Plug Controller
Moisture Sensitivity Level (MSL):	--
Part Status:	Obsolete
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Reel (TR)

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PMIC - Hot Swap Controllers - TPS2342PFPR Application Field and Working Principle

The TPS2342PFPR is an advanced hot swap controller designed to enable robust insertion and removal of systems into and out of power domains. This device is a compact, monolithic solution that provides overvoltage protection, inrush current limiting, and precision turn-on and turn-off, as well as fault monitoring, allowing targeted removal of a failed board or component. It is used in applications where a system is powered by a power source and connected to multiple individual power rails inside the system.

Application Field

The TPS2342PFPR is ideal for applications where high fault tolerance and overload protection are required, such as servers and storage systems. It ensures high reliability, as it can detect and protect against overload conditions while providing advanced fault monitoring capabilities.The TPS2342PFPR is also suitable for industrial, telecommunications, medical and automotive markets, as it provides a comprehensive set of features for the hot swap operation. Additionally, the built-in protection features allow for safe and reliable operation of the load.

Working Principle

The TPS2342PFPR uses a fixed frequency current limit architecture to regulate the loads current draw by controlling the inrush current, limiting the load current as it increases. Furthermore, the device has a built-in soft-start circuit to minimize the inrush current and reduce the amount of current drawn during startup.In case there is any fault detected in the power rail, the TPS2342PFPR will shut down the system and activate the fault protection features. It provides an open drain CHRG fault output, which can be used to provide a signal to an external system controller to indicate a fault occurred.The device also includes an adjustable overvoltage (OV) protection circuit which monitors the voltage on the power rail and will shut down the system if the voltage is too high. It also has a built-in brown-out detector (BOD), which will reduce the supply voltage for the system to ensure system stability during a low supply voltage condition.The TPS2342PFPR also provides a programmable soft start/stop function, which is adjustable over an operating range of 0.1V to 2.9V. With this, users can configure the device to start or stop the system in a smooth and controlled manner when the input voltage is either less than or greater than a certain threshold.Overall, the TPS2342PFPR is a highly reliable and robust hot swap controller, providing comprehensive protection features in a small form factor. With its broad range of features, the TPS2342PFPR is the perfect solution for a wide variety of hot swap applications.

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