ISL61862HIRZ-T

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ISL61862HIRZ-T, an enhanced Hot Swap Controller from Intersil, is specifically designed to provide board-level inrush current overload protection. The integration of the ISL61862HIRZ-T into power equipment and thermal management systems bestows the board with improved reliability and fault isolation capability, which makes it an ideal option of Power Management Interface Circuits (PMIC).

The ISL61862HIRZ-T is an adjustable, low-side synchronous buck controller implemented in a 20-lead Thin Shrink Small Outline Package (TSSOP) that supports voltage output up to 30V, current output of up to 4A, and enables up to 80W output of power. Its fast response time and broad customer-adaptability makes the ISL61862HIRZ-T an ideal candidate for maximizing performance and reliability in applications such as servers, desktops, and notebooks. Moreover, the device’s adjustable turn-on and off currents, along with its integrated inrush current limiters and fault-condition generator make it well-suited for power systems with external power- sequencing requirements, such as the ones used in automotive systems.

In essence, the ISL61862HIRZ-T present several advantages over its predecessors and competitors, such as better overload protection, improved reliability, and shorter response times. Its key features include adjustable current limit and fault protection, as well as integrated inrush current ramp and adjustable current limit. All of these specifications contribute to the premise of maximum reliability offered by the device.

At the heart of the ISL61862HIRZ-T lies its working principle. The device uses a low-side synchronous buck controller to provide a voltage output up to 30V and current output of up to 4A. The Controller monitors its 3 state-pins,including current sense, input sense, and common pin, for any fault conditions and instantly shut-down the system if a fault is detected. It also monitors the inrush current ramp and trips the power if it exceeds the adjustable limit. Finally, the adjustable voltage and current settings are adjusted by external resistors, enabling maximal adjustability.

In conclusion, the ISL61862HIRZ-T is an enhanced Hot Swap Controller from Intersil designed to provide board-level inrush current overload protection. Its fast response time, broad adjustability and key features, such as adjustable current limit and fault protection, make it an ideal candidate for power systems with external power-sequencing requirements, such as the ones used in automotive systems. The integration of this device into power equipment and thermal management systems bestows the board with improved reliability and fault isolation capability which contribute to the maximum reliability of the system.

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