ISL61852JCRZ

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The ISL61852JCRZ, a Hot Swap Controller from Intersil is a step forward in controlling power in board level applications. It is a great product for the design of power systems where board level protection and fault management are critical. The ISL61852JCRZ provides a high level of fault protection, a vast amount of additional features including power sequencing and orderly power-down, while also allowing the system to remain highly efficient.

In the world of power systems, “hot swap” controllers are essential components. They are used to control the power switching when cards or components are removed or inserted in a power system, commonly referred to as “hot plugging”. Hot swap controllers measure the inrush current of a load and then adjust the power supply current to make sure it is within the specified operation limits.

The ISL61852JCRZ is designed to address the needs of systems where fault protection and power control are important. Featuring on-board monitoring, the ISL61852JCRZ provides comprehensive protection against shorts, draws too much current, and over voltage protection. This device also features pulse-by-pulse current limit protection that is active whenever an over-current event occurs.

The ISL61852JCRZ also includes advanced power sequencing and orderly power-down for multiple power rails. Sequence tracking and fault reporting facilitate root cause analysis and maintenance during system failure. This device also includes electronic current-balance and enables distributed power management.

The ISL61852JCRZ Hot Swap Controller has three operating modes: standby, standby guard band and active. Standby mode is the default mode and the device enters this mode when power is applied to the system. In standby mode, the controller monitors and regulates the voltage, current, and temperature of the system and reports any faults. In the standby guard band mode, the controller monitors and controls the voltage, current, and temperature of the system, however it will not monitor any faults. In the active mode, the controller and system are enabled and the circuitry is allowed to conduct current.

The ISL61852JCRZ Hot Swap Controller provides extremely fast fault response times and is capable of shutting down board level circuitry in a few microseconds. This makes it an ideal device for use in high reliability applications. The low quiescent current of this device also makes it extremely power efficient, allowing it to be used in applications where power is at a premium.

Overall, the ISL61852JCRZ Hot Swap Controller is an excellent product for controlling power in board level applications. Combined with its fault protection, power sequencing and orderly power-down, low power consumption, and fast fault response times, this device is an excellent choice for anyone looking for a reliable and efficient power system design.

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