ISL61852BIRZ

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PMIC (Power Management Integrated Circuits) is a broad term commonly used to refer to the collection of electronic components used to regulate and control the power of electronic circuits. Amongst the different PMICs that are available, one of the more commonly used type is the Hot Swap Controller. The ISL61852BIRZ, manufactured by Infineon Technologies, is an example of a Hot Swap Controller. This application note is written to discuss the application and working principles of the ISL61852BIRZ.

The ISL61852BIRZ Hot Swap Controller is designed to protect digital components from unreliable power sources by providing sufficient output current with simultaneous transient protection. The device provides hot swap protection for up to 12V and two fully-auto-sensing ports configured for hot swap applications in 12.0V ±20%. It also includes a current-limited/current-mode autoreset circuit as well as an adjustable overtemperature detector.

The ISL61852BIRZ offers 2 independent ports with Hot Swapping protection. The main function of the Hot Swap Circuit is to provide a way to safely control the connection of a power source to an electronic device without abruptly driving an undesirable voltage spike or inrush current to the device. The Hot Swap Circuit can be configured to provide a controlled path of connection between the power source and the device, preventing any accidental damage or unexpected behavior when connecting a power source. The ISL61852BIRZ boasts an advanced Hot Swap Circuit with fully-auto sensing and adjustable current-limit function that provides protection from unexpected power source transients.

The ISL61852BIRZ Hot Swap Controller is designed to provide reliable and controlled power connections between the power source and the printed circuit board (PCB), ensuring zero-current conditions and preventing hot plug device damage. This Hot Swap Controller is designed to be compatible with a variety of circuit-protecting devices such as fuses, crowbar circuits and thermal cutoffs. This makes the ISL61852BIRZ not only reliable, but also convenient to wire it up and pass the test.

The ISL61852BIRZ Hot Swap Controller has wide range working temperature of -40℃ to +85℃ and it is also housed in a tiny DFN 5x5 package that is suitable for the general application. The device has adjustable current-limit protection in both open and short circuited situations. When over-temperature or over-current conditions occur, the device can be configured to turn off the power path and protect the electronic device from being destroyed.

The ISL61852BIRZ Hot Swap Controller is designed to be used when a reliable, efficient and controlled power connection is required between the power source and the device. It is suitable for use in applications such as mobile devices, servers, etc. as well as aerospace and automotive. With its simple connection and virtually perfect performance, it is the perfect choice for anyone looking for a safe, reliable and efficient power connection.

In conclusion, the ISL61852BIRZ Hot Swap Controller is a great choice for anyone looking for a reliable, efficient and controlled power connection between their power source and device. With its adjustable current-limit protection in both open and short circuited situations as well as adjustable overtemperature detection and tiny DFN 5x5 package, the ISL61852BIRZ is an ideal choice for a range of applications including mobile devices, servers and even aerospace and automotive.

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