UCC2921DTR Integrated Circuits (ICs)

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):	No
Applications:	General Purpose
Features:	UVLO
Programmable Features:	Auto Retry, Circuit Breaker, Current Limit, Fault Timeout, Latched Fault
Voltage - Supply:	-48V
Current - Output (Max):	--
Operating Temperature:	-40°C ~ 85°C
Current - Supply:	1mA
Mounting Type:	Surface Mount
Package / Case:	8-SOIC (0.154", 3.90mm Width)
Supplier Device Package:	8-SOIC
Feature Pins:	CT, IMAX, PL, SDFLTCH
Base Part Number:	UCC2921

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UCC2921DTR application field and working principle

PMIC - Hot Swap Controllers are special semiconductor devices designed for people to control the power supply interfaces in electronic circuit system. The UCC2921DTR from Texas Instruments is a hot swap controller that allows people to control the power supply of integrated circuit in secure and reliable ways.In order to understand the UCC2921DTR application field and its working principle clearly, we need to first understand the basic function of a hot swap controller. Generally speaking, a hot swap controller is a device designed for controlling the power access to integrated circuits. It provides protection against over-currents, short-circuits or any other kind of fault events that could potentially damage the circuit. Once the controller is embedded in an electronic circuit, it functions to enable safe and reliable insertion or removal of an integrated circuit without losing power. The UCC2921DTR is a hot swap controller that offers an array of useful functions. First, it provides hardware over-current protection by providing a true and accurate indication of the current being drawn by the load. This helps to prevent any accidental over-current situations that could lead to circuit damage or system downtime. It also provides robust protection against output voltage overshoots and undershoots, which can be caused by a wide range of factors. Lastly, the UCC2921DTR offers gated output voltage control when the power supply is off or the device is not in use.The UCC2921DTR integrates a power MOSFET and adjustable fault protection circuitry in order to ensure secure, reliable and cost-effective power delivery in electronic circuits. The integrated MOSFET provides an adjustable voltage and current range on-off control of the power supply and at the same time, it monitors the current that is been draw from the load. The adjustable fault protection circuitry ensures that the power supply is prevented from over-currents. In terms of applications, the UCC2921DTR is widely used in various fields such as communications, networking and computing, industrial equipment, medical and automotive. Its various features and specifications make it a preferred choice for many applications. In the medical field, for example, the UCC2921DTR is used for high-performance systems. Its features such as high current output, low on resistance and integrated over-current protection make it an ideal choice for medical devices. In automotive applications, its features such as undetectable turn-on times and adjustable fault current limit help to enhance the control and safety of automotive systems, thereby ensuring superior performance.In conclusion, the UCC2921DTR is a hot swap controller that offers numerous features and benefits to various applications. It provides hardware over-current protection, adjustable voltage, and current protection, and gated output voltage control. Its applications range from medical and automotive to communications, networking and computing. With its various features and specifications, the UCC2921DTR is capable of providing secure and reliable power control in various applications, thereby ensuring superior and efficient performance.

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