ISL61861FCBZ-T

Programmable Features:	--
Base Part Number:	ISL6186
Feature Pins:	/EN1, /FLT
Supplier Device Package:	8-SOIC
Package / Case:	8-SOIC (0.154", 3.90mm Width)
Mounting Type:	Surface Mount
Current - Supply:	57µA
Operating Temperature:	0°C ~ 70°C
Current - Output (Max):	1.5A
Voltage - Supply:	2.5 V ~ 5.5 V
Series:	--
Features:	Auto Retry, Fault Timeout, Thermal Limit, Turn On Voltage, UVLO
Applications:	USB
Internal Switch(s):	Yes
Number of Channels:	2
Type:	Hot Swap Controller
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Reel (TR)

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Introduction

ISL61861FCBZ-T is a high-performance Hot Swap Controller from Intersil. It is designed to provide a compact, simple and cost-effective solution for managing power components in board-level applications. It supports up to 69V operation and has a fast current sense amplifiers for high-current operation.

PMIC - Hot Swap Controllers

Hot swap controllers are an important type of power management integrated circuits (PMICs). They are used to manage the power supply to computing and other electronic systems. They provide functions such as over-voltage and over-current protection, power supply sequencing, voltage/current monitoring and control.

ISL61861FCBZ-T Application Field and Working Principle

ISL61861FCBZ-T is designed for power-up sequencing, current-limit protection, and voltage monitoring and control in board-level applications. It provides a complete management solution for board designers who require an easy-to-use, cost-effective, high-performance hot swap controller. The working principle of the ISL61861FCBZ-T hot swap controller is based on its integrated MOSFET switch. A fully isolated, wide-input, high-voltage power source connects to the hot swap controller through the Vin and Vout pins. The controller monitors the current passing through the MOSFET switch and can reduce the voltage at the Vout pin if too much current flows through it. This limits the current passing through the device, protecting it from over-current conditions. The controller also features a fault protection circuit which trips a CLEAR/FAULT signal when an over-voltage or over-current condition is detected at the output. In addition, the controller has programmable voltage and current threshold settings, as well as a programmable fault timeout. This allows the designer to customize the behavior of the device to suit the application\'s needs.

Conclusion

The ISL61861FCBZ-T is an advanced hot swap controller designed to make managing the power supply to board-level systems easier, simpler and cost-effective. Its integrated current sensing and reporting capabilities, fault protection circuit and programmable settings make it an ideal solution for managing power components in board-level applications.

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