ISL61853PIRZ-T

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The ISL61853PIRZ-T is a controller IC that is part of the hot-swap (HS) controller family of ICs from Intersil. Hot swap controllers are designed to be used in applications in which a power bus (e.g., an array of power supplies) needs to be disconnected from its load during its power-on process, often in order to protect against electric surges or other hazardous conditions. The ISL61853PIRZ-T is a high-performance, low-cost HS controller with a flexible features set that allows for efficient and effective control of hot-swap operations.

The ISL61853PIRZ-T features a wide range of features for protecting the load from over-voltage, over-current, and short circuit conditions. It also has adjustable current and voltage limiting, as well as over-temperature protection. Additionally, it has soft-turn on/off and fault indication, and a guaranteed 2-ms turn-on time to prevent over-voltage spikes. The ISL61853PIRZ-T also has a clock-based PWM controller that allows for frequency and duty cycle control.

The ISL61853PIRZ-T is ideally suited for hot-swap applications such as medical, communication and computing, industrial automation, data center, automotive, and other applications where a high-performance, low-cost solution is desired. Some of the key applications of the ISL61853PIRZ-T include: servers, storage, integrated circuits, and switching power supplies.

In terms of the working principle of the ISL61853PIRZ-T, the controller’s core component is an ultra-low intensity Precision Regulator that is optimized for low quiescent current and high efficiency. The regulator provides the high level of performance required for the protection of the load from over-voltage, over-current and short circuit conditions, and ensures reliable operation of the power system. The regulator also features adjustable current and voltage limiting for maximum flexibility, as well as soft-turn-on/off and fault indication.

The ISL61853PIRZ-T also has several monitoring functions to monitor the health of the power system and to detect and prevent possible faults. The controller has an efficient Undervoltage Lockout (UVLO) circuit that prevents accidental connection of the load during power-up, and also has adjustable current limiting and over-temperature protection. Additionally, the controller features a clock-based PWM controller which allows for frequency and duty cycle control.

The ISL61853PIRZ-T is a high-quality and cost-effective hot-swap controller that is suitable for protecting the load from various power and fault conditions, and ensures reliable, efficient, and error-free operation. Its wide range of features and adjustable parameters make it ideal for a variety of applications, and its compact size and low-cost make it an ideal solution for cost-controlled applications.

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