TPS2590RSAT

Features:	Thermal Limit, UVLO
Base Part Number:	TPS2590
Feature Pins:	/EN, /RTRY, IFLT, ILIM, CT, /FLT
Supplier Device Package:	16-QFN (4x4)
Package / Case:	16-VQFN Exposed Pad
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C
Current - Output (Max):	5.5A
Voltage - Supply:	3 V ~ 20 V
Programmable Features:	Auto Retry, Circuit Breaker, Current Limit, Fault Timeout, Latched Fault
Series:	--
Applications:	General Purpose
Internal Switch(s):	Yes
Number of Channels:	1
Type:	Hot Swap Controller
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Reel (TR)

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PMIC - Hot Swap Controllers

PMIC (Power Management Integrated Circuit) is one of the most essential components in modern electronic products. It is used to control the power of a device. Hot Swap Controllers are a major category of PMIC that provide a wide range of features including managing power to facilitate the hot-swappable communications between any type of device, power-on reset and power failure protection. The TPS2590R is a Hot Swap Controller integrated circuit from Texas Instruments, which offers a wide range of features to improve system reliability, scalability and protection within a variety of applications.

TPS2590R Overview

The TPS2590R is a single-channel Hot Swap controller that provides a wide range of features to simplify the design and to help achieve faster time-to-market. The device includes hot-swap and load switch control, fault protection and monitoring, board rail voltage Margining, power-on reset circuitry and other functions needed to protect the system and its components. It is capable of controlling hot-swap events on any single-phase node down to 2.6v and can accurately measure and monitor voltages up to 24v. Furthermore, it also includes advanced and accurate protection levels as well as SMBus/I2C interfaces.

TPS2590R Features

The TPS2590R delivers a wide range of features to improve system reliability, scalability, and protection. The device features a flexible control system for hot-swap events, ensuring reliable operation and protection for the system and its components. It has advanced protection features including overvoltage, low voltage and overtemperature protection. It also features power-on reset and power failure protection. Additionally, the device provides different falling and rising threshold levels configurable to detect a power failure and to react accordingly. Its power-on reset circuit is also configurable and enables designers to adjust the reset signals to best suit their system.

TPS2590R Applications

The TPS2590R is applicable in a wide range of applications. It is used in automotive and industrial applications, including power over Ethernet (PoE), hard disk drives, tablets, and desktop computers. The device is also suitable for use in data centers and server over-current protection. Additionally, it is used in telecommunications and home automation applications, among others.

TPS2590R Working Principle

The TPS2590R is based on the Hot Swap controller architecture, which enables the safe integration of any new board or device into a system. It contains four distinct functions: a Hot Swap controller, a supply voltage monitoring circuit, a power-on reset circuit, and a fault protection circuit, all of which work together to ensure safe and reliable operation of a system. The Hot Swap controller dynamically monitors the input and output supply lines, continuously comparing them to their respective thresholds. If any of the lines exceeds the threshold, the Hot Swap controller sends a signal to the load switch to disconnect the board or device. Moreover, it also monitors the board supply rail and sends out a signal whenever the voltage level goes below the threshold. On the other hand, the Supply Voltage Monitoring Circuit continuously monitors the voltage levels on the supply lines and sends out a signal when the supply voltage exceeds the maximum input voltage. It also sends out a signal whenever the voltage level falls below the minimum level. Additionally, it sends out a control signal to the Load Switch when the supply voltage is within the acceptable range.The Power-on Reset Circuit is responsible for resetting the system when the power is turned on. It monitors the voltage levels on the input and output supply lines and sends out a reset signal when the voltage levels are within an acceptable range. Finally, the Fault Protection Circuit monitors the system for faults and sends out a signal when it detects a fault on any of the channels. Overall, the TPS2590R is an integrated Hot Swap controller suitable for a variety of applications. Its flexibility in operating over a wide range of input and output voltage levels along with its built-in fault protection circuitry, make it an ideal solution for any application requiring hot-swap operations.

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