ISL6115ACBZ-T

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ISL6115ACBZ-T Application Field and Working Principle

ISL6115ACBZ-T is a single-chip hot-swap controller integrated circuit (IC), it is developed by Intersil Corporation and belongs to the Power Management IC (PMIC) family of Hot Swap Controllers. A Hot Swap Controller is a specialty Microcontroller that is specifically designed to control the power flow in a hot-swappable device, such as a computer add-in card or a server tray.

Basic Structure

The ISL6115ACBZ-T Hot Swap Controller has three distinct parts. The first part is a Supervisor. This is the main circuitry that performs the Hot Swap control functions. The second part is the Programmable Interface. This is the interface circuitry that allows the supervisor to interact with the outside world. The third part is the System Interface. This is the circuitry that allows the Supervisor to interact with the system bus, be it a PCI bus or an ISA bus.

Application Field

The ISL6115ACBZ-T Hot Swap Controller is generally used in applications with limited power frameworks, such as PCI hot swap connectors, Telecom/Datacom card insertion in its chassis and hot-swapped drives in industrial systems. It is widely used in PCI Express (PCIe)-based CPU and Graphics cards, as well as hot-swappable hard drives in servers, in order to prevent downtime or data loss due to power issues.

Advantage

ISL6115ACBZ-T Hot Swap Controller has very low power consumption - only 1.0 mW - and a very small footprint. It is a very reliable Hot Swap Controller that provides superior protection for hot swappable components. It also includes a number of features like programmable power-on delay, adjustable slew rate, temperature monitoring and temperature-based power sequencing. Overall, the ISL6115ACBZ-T Hot Swap Controller is a very reliable and versatile device.

Working Principle

Hot Swap Controllers provide a way to control the power to a hot-swappable device by monitoring the power bus. The ISL6115ACBZ-T Hot Swap Controller has several pins that are used to monitor the power bus voltages and currents, as well as temperature and power status. The controller also has several pins that can be used to monitor the voltage, current and temperature of other parts of the system.

When the power bus voltages or currents exceed the preset upper or lower limits, the controller will generate a fault alert to the system. The system can then take action, such as powering down the device or taking other appropriate action. The Hot Swap Controller can also detect an overvoltage level or an overcurrent level, and it can shut off power to the device if either of these conditions occurs.

The ISL6115ACBZ-T Hot Swap Controller also provides a programmable power-on delay. This feature allows the controller to wait for a certain amount of time, such as a few seconds, before beginning to power up the device. This feature helps protect the power bus from surges, which can otherwise damage components connected to the bus. Finally, the Hot Swap Controller provides an adjustable slew rate to help protect the device from potential power supply overshoot.

Conclusion

In summary, the ISL6115ACBZ-T Hot Swap Controller is a very versatile device. It provides superior protection for hot swappable components, with features such as programmable power-on delay, adjustable slew rate, temperature monitoring and temperature-based power sequencing. It is also very reliable and consumes very low power, making it ideal for applications with limited power frameworks.

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