ISL61853KIRZ

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ISL61853KIRZ is an integrated hot-swappable controller from Intersil Corporation. It provides a compact and highly efficient solution for power supply and over-current solutions, allowing system integrators and end-users to deploy hot-swap solutions while taking up minimal board space.

The ISL61853KIRZ Hot Swap Controller is designed to provide the system with a fail-safe protection against overcurrents, shorts, and system interruptions. This controller is designed to guard against continuous overloads and provides system protection and power supply integrity. With its adjustable overcurrent threshold, it allows system designers to optimize the protection speed and current level.

The application field of this Hot Swap Controller includes industries like server, storage, telecommunication, industrial automation and medical equipment. The key features of this Hot Swap Controller include adjustable current logic, adjustable overcurrent time delay, thermal foldback and UVLO.

The working principle of this Hot Swap Controller is quite simple. The power supply provided to the Hot Swap Controller is monitored by an on-board Analog-to-Digital Converter. This converter measures the supply current and compares it to the set thresholds. In case of an overcurrent event, the Hot Swap Controller will trigger a "shutdown" signal, cutting off the power supply to the hot-swaped components. The on-board comparator will then restart the output power when the current flows below the set thresholds.

The ISL61853KIRZ can handle a wide range of supply voltages, ranging from 4.5V to 18.0V. In addition, it has current setting of 1.2A to 40.0A and adjustable overcurrent threshold with 10%, 33% and 50% of the rated current limits. It also provides thermal foldback and UVLO as built-in features to protect the system from thermal stress.

The ISL61853KIRZ is a compact and highly efficient solution for hot-swap applications. It provides adjustable current logic, overcurrent time delay, UVLO and thermal foldback, making it well suited for a wide range of high-power industrial applications.

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