ISL6161CBZA-T

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PMIC (Power Management Integrated Circuits) are integral components in today\'s electronic systems. Hot Swap Controllers are a subset of power management, used to provide overvoltage, undervoltage, and short circuit protection for hot-swappable load boards. ISL6161CBZA-T is a particularly popular Hot Swap Controller, used in a variety of applications including automotive, consumer, and industrial. The features, benefits, and working principle of the ISL6161CBZA-T are outlined below.

Features and Benefits

The ISL6161CBZA-T Hot Swap Controller features three primary functions: overvoltage (OVP) protection, undervoltage (UVP) protection, and short circuit protection. The OVP and UVP protection functions provide system level protection against voltage transients and input voltage droops. In addition, the device is rated to support continuous currents up to 6A and supports a 30ms start up time. The device also includes on-board diagnostics and error reporting, allowing designers to efficiently diagnose and solve any issue related to the device.

As for the benefits of the ISL6161CBZA-T, the device provides a high accuracy of ±1% voltage accuracy with a wide input voltage range of 3.3V to 36V. The device is also highly flexible and easily configurable with selectable timing parameters and start-up delay time. Lastly, the device is available in both an SOIC-8 and TSSOP-14 package, allowing designers to choose the size and form factor that best suits their application.

Application Fields

The ISL6161CBZA-T is used in a variety of applications across automotive, consumer, and industrial industries. In automotive applications, the device is utilised for spark plug load protection, side view tap protection, and vehicle lamp power management. In consumer devices, the device can be used for hot plug charging and data syncing with USB Type-C ports on laptop and handheld devices. Finally, in the industrial space, the device is often used as a power management IC for industrial communication and machine control.

Working Principle

The working principle of the ISL6161CBZA-T Hot Swap Controller can be broken down into three key stages: power-up, power-down and error notification. During the power-up stage, the device switches a FET in order to power the load. This process is controlled by a hysteresis stage, which sources the input supply to the device. The hysteresis is most often set to 4.7V. During the power-down stage, the device will switch off the FET as soon as the input voltage is below the hysteresis voltage. Lastly, an error notification is sent if any OVP, UVP, or short circuit errors are detected during either the power-up or power-down stages.

In conclusion, the ISL6161CBZA-T is a highly versatile Hot Swap Controller, capable of providing overvoltage, undervoltage, and short circuit protection for a range of applications. The device supports wide input voltages and high current ratings, as well as error reporting and on-board diagnostics. Moreover, the device is highly flexible and easily configurable with selectable timing parameters and start-up delay time. All of these features make this Hot Swap Controller an excellent choice for an array of automotive, consumer, and industrial applications.

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