TPS2421-1DDAR Allicdata Electronics

TPS2421-1DDAR Integrated Circuits (ICs)

Allicdata Part #:

296-24238-2-ND

Manufacturer Part#:

TPS2421-1DDAR

Price: $ 0.70
Product Category:

Integrated Circuits (ICs)

Manufacturer: Texas Instruments
Short Description: IC CTRLR HOT SWAP 3-20V 8SOPWR
More Detail: Hot Swap Controller 1 Channel General Purpose 8-SO...
DataSheet: TPS2421-1DDAR datasheetTPS2421-1DDAR Datasheet/PDF
Quantity: 25000
Lead Free Status / RoHS Status: Lead free / RoHS Compliant
Moisture Sensitivity Level (MSL): 1 (Unlimited)
2500 +: $ 0.63617
5000 +: $ 0.61261
Stock 25000Can Ship Immediately
$ 0.7
Specifications
Series: --
Packaging: Tape & Reel (TR) 
Lead Free Status / RoHS Status: --
Part Status: Active
Moisture Sensitivity Level (MSL): --
Type: Hot Swap Controller
Number of Channels: 1
Internal Switch(s): Yes
Applications: General Purpose
Features: Latched Fault, Thermal Limit, UVLO
Programmable Features: Current Limit, Fault Timeout
Voltage - Supply: 3 V ~ 20 V
Current - Output (Max): 6A
Operating Temperature: -40°C ~ 125°C
Mounting Type: Surface Mount
Package / Case: 8-PowerSOIC (0.154", 3.90mm Width)
Supplier Device Package: 8-SO PowerPad
Feature Pins: CT, /EN, /FLT, ISET, /PG
Base Part Number: TPS2421-1
Description

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Power management integrated circuit (PMIC) is becoming more and more popular in today\'s market, because of its ability to regulate, manage, and monitor power consumption. PMICs are especially suitable for applications that require efficient power consumption; such as hot swapping, where one device is used to replace another while in operation. Hot swapping is a technique where a device can be safely replaced without having to shut down the system. One such PMIC is the TPS2421-1DDAR, an ultra-low voltage hot swap controller that can overcome common design challenges in hot swap applications.

Introduction to TPS2421-1DDAR

The TPS2421-1DDAR is an ultra-low voltage hot swap controller from Texas Instruments. It supports a wide range of supplies from 0.8 V to 5.5 V and provides adjustable current limit and overvoltage protection. It also features an auto-restart mode of operation which makes it suitable for applications that require a fast response time. The TPS2421-1DDAR can be used to control the current and voltage in hot swap applications, thereby improving the safety and reliability of the system.

Highlights of TPS2421-1DDAR

The TPS2421-1DDAR has many features which make it suitable for hot swapping applications. These features include:

  • Adjustable Current Limit: The TPS2421-1DDAR supports a wide range of supplies from 0.8 V to 5.5 V and provides adjustable current limit which can be set to fit the application needs.
  • Overvoltage Protection: The TPS2421-1DDAR provides overvoltage protection to ensure safety.
  • Fast Response Time: The TPS2421-1DDAR features an auto-restart mode of operation which makes it suitable for applications that require a fast response time.
  • Efficient Power Consumption: The TPS2421-1DDAR is a low-power PMIC and can be used to regulate power consumption efficiently.

Application Field of TPS2421-1DDAR

The TPS2421-1DDAR is especially suitable for applications requiring hot swapping, such as general consumer electronics, digital AV equipment, computer peripherals and handheld devices. It is also applicable in automotive, industrial and medical applications. The TPS2421-1DDAR can provide robust overvoltage and adjustable current limit protection for input ports.

Working Principle of TPS2421-1DDAR

The TPS2421-1DDAR provides an adjustable current limit and overvoltage protection. When the device is turned on, it allows a constant current to flow until the set current limit is reached. At this point, the device reduces the current and keeps it at a constant level. If the input voltage rises to exceed the device\'s overvoltage protection limit, the device will shut off the current flow and go into the auto-restart mode. In this mode, the device will attempt to restart the current flow slowly until the device is reset or the input voltage drops below the overvoltage protection limit. In addition, the TPS2421-1DDAR features a Reverse Current Blocking (RCB) protection which prevents reverse current from entering the system.

Conclusion

The TPS2421-1DDAR is an efficient hot-swap controller which is suitable for a variety of applications. It provides adjustable current limit and overvoltage protection to improve the safety and reliability of the system. With its auto-restart mode and low-power consumption, the TPS2421-1DDAR is an ideal solution for hot swap applications.

The specific data is subject to PDF, and the above content is for reference

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