Programmable Features:	Current Limit, Fault Timeout
Base Part Number:	UCC3912
Feature Pins:	CT, /FAULT, IMAX, /SHTDWN
Supplier Device Package:	24-HTSSOP
Package / Case:	24-TSSOP (0.173", 4.40mm Width) Exposed Pad
Mounting Type:	Surface Mount
Current - Supply:	1mA
Operating Temperature:	0°C ~ 70°C
Current - Output (Max):	4A
Voltage - Supply:	3 V ~ 8 V
Series:	--
Features:	Latched Fault, Thermal Limit
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:	Tube

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UCC3912PWPG4 Application Field and Working Principle

PMIC (Power System Management Integrated Circuits) is a form of integrated circuit designed to satisfy the need for various power management functions. Among them, hot swap controllers are designed to protect a circuit from inrush currents caused by the insertion of a load. UCC3912PWPG4 is a dedicated buffered hot-swap controller specifically designed to provide seamless insertion of a load. This IC can be used in a wide range of applications due to its robustness and cost-effectiveness.

UCC3912PWPG4 Overview

UCC3912PWPG4 is a dedicated buffered hot-swap controller specifically designed to provide seamless insertion of a load. It is offered in a compact 8-pin SOIC package, drawing minimal power from the primary side of the system. This controller is suitable for all current hot-swapping applications and includes a wide range of features that make it ideal for a variety of applications, such as server and storage applications, telecom systems and portable devices.

UCC3912PWPG4 Application Field

UCC3912PWPG4 offers a wide range of features that make it ideal for hot-swapping applications such as servers and storage systems, telecom systems, intelligent LED lighting, portable devices and more. The low quiescent current of the device makes it ideal for use in applications where battery operation is required or in high-efficiency, low-power systems.The hot swap controller can also be used in power systems with multiple power supplies and a wide range of voltages and currents. The wide range of protection features offered by the UCC3912PWPG4 make it suitable for hot-swapping applications in harsh environments. The device also offers additional protection for malfunctions such as output short-circuits and overtemperature.

UCC3912PWPG4 Working Principle

UCC3912PWPG4 is an integrated hot-swap controller designed to provide seamless insertion of a load with minimal power losses and without creating any inrush current. It works by monitoring the incoming and outgoing currents of the system and automatically switching on or off the gate of the power supply when it reaches certain levels, while also protecting against short-circuits.When the current from the incoming power supply exceeds a certain limit, the gate of the power supply is immediately switched off, thus preventing any potential inrush currents and protecting the system from any potential damage caused by such currents. Similarly, when the current from the load is too low, the gate is switched off to prevent the load from going into a negative power state.

Conclusion

UCC3912PWPG4 is a dedicated buffered hot-swap controller, ideal for a wide range of applications thanks to its robustness and cost-effectiveness. It operates by monitoring the incoming and outgoing currents of the system and automatically switching on or off the gate of the power supply when it reaches certain levels, while also protecting against short-circuits. With its low quiescent current and wide range of protection features, the UCC3912PWPG4 is ideal for hot-swapping applications such as servers, storage systems, telecom systems, intelligent LED Lighting, portable devices and more.

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