LTC4215IUFD-1#PBF

Programmable Features:	Auto Retry, Current Limit, Fault Timeout, Latched Fault
Base Part Number:	LTC4215
Feature Pins:	/ALERT, FB, OV, SOURCE, SS
Supplier Device Package:	24-QFN (5x4)
Package / Case:	24-WFQFN Exposed Pad
Mounting Type:	Surface Mount
Current - Supply:	3mA
Operating Temperature:	-40°C ~ 85°C
Current - Output (Max):	--
Voltage - Supply:	2.9 V ~ 15 V
Series:	--
Features:	I²C, OVP, UVLO
Applications:	General Purpose
Internal Switch(s):	No
Number of Channels:	1
Type:	Hot Swap Controller, Monitor
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tube

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Introduction

The LTC4215IUFD-1#PBF is a hot swap controller and providing system designers with exceptional protection and control of their power delivery systems. It is one of the many types of PMICs and Hot Swap Controllers available in the market. It offers integrated circuit protection, fast load current and source current rating, robust load current limiting and protection features for hotswap-enabled systems, and high accuracy monitoring of source and load voltages.

Application Field

The LTC4215IUFD-1#PBF can be used in many fields, such as servers, network switching, high end workstations and other high power applications. The device can be used to monitor and control the power supply and the health of the system while the power supply is being hot swapped. By monitoring voltage levels and detecting the presence of current in the high-side and low-side circuit, the device ensures that voltages remain within safe tolerances during the hot swap process. The device also provides fast and accurate current limit functionality, allowing the power supply system to be hot swapped safely and quickly.The device can also be used in applications such as high power brakelight systems, power supplies, and other circuits that require fault protection. It is also suitable for high current charging applications, such as charging batteries in electric vehicles.

Working Principle

The working principle for the LTC4215IUFD-1#PBF hot swap controller is based on the underlying idea of ensuring system protection and reliability by using precision and fast current limiting. The device monitors both the source voltage and the load voltage, enabling it to detect any irregularities in the system. Once a fault occurs, the device will limit the current and protect the system from being damaged.The device also incorporates a unique load current rating system that ensures the system designer can accurately calculate the maximum current. It also includes a low power operational mode to reduce power consumption, as well as an enable input that allows the power supply system to be safely enabled and disabled.

Conclusion

In conclusion, the LTC4215IUFD-1#PBF is a powerful and flexible hot swap controller. It provides precision current limit protection and current rating, while allowing the system to be safely enabled and disabled. With its integrated circuit protection and robust load current limiting features, the device is an ideal solution for power delivery systems that require fault protection and hot swapping capabilities.

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