ISL6532ACRZ

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The ISL6532ACRZ is a product within the family of high performance Integrated Hot Swap Controllers manufactured by Intersil Corporation. Designed to control the insertion, removal, and protection of plug-in boards, the ISL6532ACRZ provides efficient power distribution and monitoring of the condition during bus insertion and removal while ensuring the safety of the system.

The ISL6532ACRZ provides a variety of features to control the insertion and removal of up to 32 hot swap I/O channels. It offers an extensive set of fault protection features, active current limit, inrush current reduction and soft start, programmable current measurement for power management and hot swap control. This device is an ideal choice for applications requiring very fast yet accurate and reliable hot swapping control.

The primary application field for the ISL6532ACRZ is pluggable computer buses. This type of component is commonly used for pluggable I/O expansion buses such as PCI Express and Infiniband, as well as for hot swappable HDD/SSD drives, and power supply units.

The working principle of the ISL6532ACRZ involves the use of a current limit feature which limits the inrush current and a power-good feature that monitors the output of the device and provides a fail-safe reset under certain fault conditions. A timer circuit is also used to provide an insertion pulse after the insertion has been detected by the power-good comparator, so that the board can be initialized correctly. The device contains an on-chip pull-down circuit to provide an active current limit feature, which will turn off the external MOSFET when the output current reaches the set limit.

In addition to its current limit feature, the ISL6532ACRZ provides a power-good feature that allows the host control system to monitor the output of the device and detect any possible fault conditions. This feature also allows the device to detect when the system is completely powered up and ready for use. It also provides an adjustable soft start delay, which can be used to reduce the instantaneous inrush current when a board is inserted.

The features offered by the ISL6532ACRZ allow it to be used in a wide variety of hot swap applications. It provides a reliable solution for power management and hot swap control in pluggable computer bus systems, and can provide a high level of protection for the system against possible damage caused by incorrect power supply. Its combination of current limit and power-good feature provides a fail-safe mechanism that ensures the system is never in a faulty state.

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