ISL61851HIBZ

Programmable Features:	--
Base Part Number:	ISL6185
Feature Pins:	/EN1, /EN2, /FLT1, /FLT2
Supplier Device Package:	8-SOIC
Package / Case:	8-SOIC (0.154", 3.90mm Width)
Mounting Type:	Surface Mount
Current - Supply:	50µA
Operating Temperature:	-40°C ~ 85°C
Current - Output (Max):	1.1A
Voltage - Supply:	2.3 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:	Tube

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Introduction

The ISL61851HIBZ is a hot-swap controller designed by Intersil Corporation. It is designed to provide a safe, efficient and fault-tolerant power distribution system in industrial and commercial applications. The ISL61851HIBZ is a monolithic device suitable for high power switching applications and provides a total system power monitoring solution. This device also helps to improve system reliability by providing load? Current protection and monitoring for power interfaces and devices.

Application field

The ISL61851HIBZ is mainly used in server hot-swapping applications, where high power devices can be switched off and on with minimum disruption. It can also be used in power distribution systems in automotive and industrial applications. It can be used to provide transparent power switching with controlled current limiting and precise voltage monitoring and control.

Working principle

The ISL61851HIBZ works by providing current and voltage monitoring and control, as well as over-current protection. The device has an over-current (OC) threshold that can be programmed to provide the desired current level, and it has an adjustable voltage threshold. The output of the device can be configured as a push-pull or an open drain output. The output voltage is monitored using the voltage sense input. The device also has a power good signal that indicates when the output voltage is within the specified limits. In the event of an over-current condition, the device will shut down the output until the current is reduced and the output voltage is restored. The ISL61851HIBZ also features several parameters that can be programmed to optimize the performance of the device. These include the voltage monitoring threshold, the over-current threshold, and the output drive strength. These parameters provide flexibility and ensure that the device will perform as desired in different applications.

Conclusion

The ISL61851HIBZ is a high performance, hot-swap controller designed to provide efficient, safe and fault-tolerant power management in various applications. It features a wide array of configurable parameters, adjustable voltage and current thresholds, and a power good indicator. It is ideal for applications such as server hot-swapping, automotive and industrial power distribution systems.

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