LTC4222CUH#PBF

Programmable Features:	Auto Retry, Current Limit, Fault Timeout, Latched Fault, OVP, UVLO
Base Part Number:	LTC4222
Feature Pins:	/ALERT, CONFIG, /EN1, /EN2, FB1, FB2, GPIO1, GPIO2, ON, OV1, OV2, SOURCE1, SOURCE2, SS, TIMER, UV1, UV2
Supplier Device Package:	32-QFN (5x5)
Package / Case:	32-WFQFN Exposed Pad
Mounting Type:	Surface Mount
Current - Supply:	3mA
Operating Temperature:	0°C ~ 70°C
Current - Output (Max):	--
Voltage - Supply:	2.9 V ~ 29 V
Series:	--
Features:	I²C
Applications:	General Purpose
Internal Switch(s):	No
Number of Channels:	2
Type:	Hot Swap Controller, Monitor
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tube

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Introduction of LTC4222CUH#PBF PMIC - Hot Swap Controllers

The LTC4222CUH#PBF is a PMIC - Hot Swap Controllers used for managing the high power demands of integrated circuits in a system. With its adaptive current limiting feature, it is ideal for applications that use both high current demand and high peak current demand. The LTC4222CUH#PBF also offers high speed turn-on and quick turn-off protection, making it well-suited for applications that demand high reliability and cost savings.

Working Principle

The LTC4222CUH#PBF operates using a low quiescent current, thus maximizing current delivery and minimizing power dissipation. A simple current sense system containing the LTC4222CUH#PBF and a sense resistor is used to calculate the voltage across the power supply rail with a constant current flowing. This voltage is used to control the current delivered to the load.The LTC4222CUH#PBF also features an accuracy current limit setting range of 100mA to 20A. The current limit is adjustable and the direction of current is from the source to the load. When the current reaches the set threshold, the LTC4222CUH#PBF reduces the voltage across the power supply rail and limits the current flow to the load.In addition to current limiting, the LTC4222CUH#PBF also features over temperature protection, protection against inversion, reverse current protection, and under-voltage lockout. These features, combined with the fastest response times in the industry, make the LTC4222CUH#PBF an ideal hot swap controller.

Application Field

The LTC4222CUH#PBF is primarily used in applications that require a fast and reliable hot swap controller. These include, but are not limited to, applications such as notebook computers, servers, graphics cards, and embedded systems.The LTC4222CUH#PBF is also suitable for switching power supplies, motor controllers, and distributed power systems. Moreover, it is commonly used in applications where hot swappable components are required such as medical equipment, storage systems, industrial network systems, and telecommunications equipment.The LTC4222CUH#PBF is also well-suited for handheld electronic devices due to its low quiescent current and turn-on and turn-off protection. In addition, it is used in industrial control and automation due to its flexible current limiting capabilities and its ability to detect inversions.The LTC4222CUH#PBF is an ideal hot swap controller for wide range applications and is an ideal choice for applications that require high speed, flexible current limit features, and guaranteed reliability. The LTC4222CUH#PBF is designed to be used in the most demanding conditions and is an ideal choice for engineers looking for an all-in-one solution for their power management needs.

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