ISL61863HIRZ-T

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

Power management integrated circuits (PMICs) are an increasingly important component of modern electronics. Among these integrated circuits, hot swap controllers play a key role in ensuring the safe operation of electronic systems by monitoring voltages and limiting currents when systems are powered up or down. The ISL61883HIRZ-T is a hot swap controller particularly suited for load switch applications. This article explores the application field and working principle of the ISL61883HIRZ-T.

Application Field of the ISL61883HIRZ-T

The ISL61883HIRZ-T is a single-output hot swap controller designed for load switch applications. It is particularly suited for system boards and memory cards, as it can provide extremely accurate current limiting protection to sensitive components during normal operations and hot swapping. The ISL61883HIRZ-T offers a number of advantages over other hot swap controllers, such as current sense accuracy, fast settling time, adjustable current trip limit and thermal slowdown protection.

The ISL61883HIRZ-T can be used in applications that need to manage power draw and thermal control over multiple power domains. It is also suitable for hot insertion in systems with dense boards or limited space. In addition, the ISL61883HIRZ-T is suitable for use in applications that require a high level of reliability and safety, such as vital or critical systems.

Working Principle of the ISL61883HIRZ-T

The ISL61883HIRZ-T operates by actively monitoring the current flowing through its load switch channel. It compares the voltage at its input and output pins with a reference voltage to ensure that the voltage drop across the channel does not exceed a predetermined value. If this voltage drop does exceed the predetermined value, the ISL61883HIRZ-T will shut down the channel and prevent further current flow.

In order to limit the amount of current flowing through the channel, the hot swap controller uses an internal limiting resistor. This is set to a resistance level that allows the maximum amount of current to pass through the channel while still providing enough voltage drop to shut down the switch. The resistance value of this resistor can be adjusted via the ISL61883HIRZ-T’s programmable current limit control input.

In addition, the ISL61883HIRZ-T is equipped with thermal shutdown protection. This feature is designed to protect the integrated circuit from overheating due to high current draw. It monitors the temperature of the IC and shuts down the load switch channels if the temperature gets too high.

The ISL61883HIRZ-T also includes an overvoltage protection feature. This feature monitors the voltage at the input and output pins and shuts down the load switch channels if the voltage drops below or rises above the predetermined limit.

Finally, the ISL61883HIRZ-T offers undervoltage protection. This feature continuously monitors the input and output pins and shuts down the load switch channels if the voltage drops below the predetermined limit.

The ISL61883HIRZ-T is a highly advanced hot swap controller capable of providing reliable current limiting and protection in load switch applications. Its wide range of features makes it an ideal choice for a variety of applications, from system boards to memory cards.

The specific data is subject to PDF, and the above content is for reference