ISL61852HIRZ

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The ISL61852HIRZ is a Hot Swap Controller, a type of power management integrated circuit (PMIC). Hot Swap Controllers are used to enable electronic components to be safely connected and disconnected without damaging the component or other machinery. While the component is connected, the Hot Swap Controller controls current and monitors the voltage to ensure a safe operating conditions and prevent excessive power usage or overheating. The ISL61852HIRZ is ideally suited for applications that require superior fault protection and low input voltage switching.

The ISL61852HIRZ features two Hot Swap Controllers with independently adjustable current limit settings and hysteresis, enabling high precision current monitoring. Each Hot Swap Controller can be set to supply current up to 210mA, and the hysteresis window is adjustable over a range of 0.3 to 1.3V. The high performance properties of the ISL61852HIRZ make it suitable for use in a wide range of electronic and electrical applications, such as automotive power management systems, industrial board computer boards, server racks, and DC-DC converters.

The Hot Swap Controller inside the ISL61852HIRZ works through a series of steps. First, it senses the average current and average input voltage, then sets the output current limit. This limit is adjustable via two external resistor pins. Next, the Hot Swap Controller uses an internal voltage regulation loop to maintain the output voltage at a minimum, then checks to see if the input voltage has dropped below the limit. If so, the Hot Swap Controller shuts off the power to the load.

The ISL61852HIRZ also features two delay timers: a start up timer and a fast thermal protection timer. The start up timer counts the time from powering up the circuit to the moment when the output voltage is stabilized, while the fast thermal protection timer protects the load by disconnecting it if the current is too high. The Hot Swap Controller also has a power state indicator, which can be used to indicate if the output voltage is in a stable state.

The ISL61852HIRZ is a highly efficient Hot Swap Controller offering superior protection and reliability. It is capable of operating across a wide range of input voltages, making it an ideal choice for a wide variety of electronic and electrical applications. It\'s low input voltage switching properties make it an ideal choice for automotive and industrial applications, while its high current rating and adjustable current limit feature make it suitable for a wide range of other applications as well.

Overall, the ISL61852HIRZ is an ideal Hot Swap Controller for applications that require superior fault protection and low input voltage switching. Its features and performance make it suitable for use in a wide range of electronic and electrical applications.

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