ISL6119HIB-T

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The ISL6119HIB-T is a high frequency, PWM current-mode, high-side hot-swap controller. This family of products provides a fully integrated power solution for applications that demand short circuit, overcurrent, and overtemperature protection for hot-swappable low voltage DC circuits. The ISL6119HIB-T is ideal for applications that require a constantly powered and monitored circuit, as it has a low quiescent current of less than 4uA, which allows for non-intrusive power management of the hot-swappable circuit.

The ISL6119HIB-T simplifies power management design by providing two separate dedicated state machine signals (GOOD and FAULT) to the system. These signals provide real-time feedback on the status of the hot-swap circuit and can be used to quickly inform the system of any over temperature, over current, or short circuit conditions. The FAULT signal also allows the system to quickly adjust and respond to any changes in power conditions such as Voltage Droop or Over Voltage.

The ISL6119HIB-T provides key features that make it ideal for hot-swap applications. First, it has a current sense amplifier with selectable gain up to 128V/V, which provides power management design engineers with maximum precision and flexibility. Second, the ISL6119HIB-T also provides an adjustable voltage regulator, which can be used to power auxiliary loads. Lastly, the device provides adjustable current limit protection with multiple selectable ranges, which ensures that hot-swappable circuits are protected from any overcurrent conditions.

The ISL6119HIB-T has two main operating modes. In the first mode, it provides accurate wattage monitoring and current limited protection for hot-swappable DC systems. In this mode, the device monitors and compensates for DC voltage droop on the output side of the hot-swap circuit. The second mode is frequency modulation, which is used to provide effective EMI reduction. The ISL6119HIB-T can also be configured to increase current limit at high temperatures, ensuring that the system is properly protected against any thermal overloads.

Overall, the ISL6119HIB-T provides a robust and reliable solution for hot-swap applications where precise power management and high reliability are required. It is an ideal solution for applications such as portable computers, portable gaming platforms, video conferencing, and remote power systems that require short circuit, overcurrent, and overtemperature protection for hot-swappable low voltage DC circuits. The ISL6119HIB-T is available in a compact, leadless SOIC package which helps reduce board space and provides optimal thermal dissipation.

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