ADM1275-3ARQZ

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PMIC (Power Management IC) plays an important role in a wide range of modern applications. Hot Swap Controllers are a specialized field within PMICs that often require a higher level of safety and protection from unexpected power surges. The ADM1275-3ARQZ is one of the most efficient and advanced Hot Swap Controllers currently available. This article will provide an overview of the features and benefits of the ADM1275-3ARQZ and give a detailed explanation about its application fields and working principle.

The ADM1275-3ARQZ is designed to provide maximum power delivery and safety for hot swap applications. It is a ONE-SHOT controller with feature sets that offer protection against fault currents, inrush current levels, overvoltages, and overloads. The ADM1275-3ARQZ includes an integrated Fixed On-Time (FOT) controller which provides a fast, consistent, and accurate response to excessive load and fault conditions by controlling the output current.

The ADM1275-3ARQZ is packaged in a 5 mm x 5 mm 16-pin QFN (Quad Flat Pack) package, making it highly suitable for applications requiring a small profile and with limited board space. The device also features an integrated Power Good and fault detection, allowing for an efficient, accurate, and real-time monitoring of fault or load conditions. Additionally, the device is designed to meet the requirements of all modern power management protocols, including I2C, PMBus, and SMBus.

The ADM1275-3ARQZ has highly efficient application fields, including high-density server and telecom systems, medical applications, and FPGA systems. It can also be used in data centers, ATE equipment, and distributed power systems. Besides, it is ideal for use in hot-pluggable applications, where power must be safely delivered to the device without disruption.

The ADM1275-3ARQZ works by monitoring input voltage, output current, and temperature conditions, and then controlling the output power accordingly. The device also includes a unique built-in algorithm that prevents any sudden change in the output voltage, thus protecting the system components from any potential damage. The output voltage is balanced against the load current to maintain an accurate output voltage and power supply throughout the lifetime of the Hot Swap Controller.

The device also features advanced overcurrent protection that senses the presence of a fault and triggers the shutdown of the Hot Swap Controller before the fault current exceeds a preset value. This feature is triggered by either the increase in input voltage, decrease in current draw, or increase in the device temperature. Additionally, the ADM1275-3ARQZ is designed to operate over a wide input voltage range and supports both single-rail and dual-rail applications.

In summary, the ADM1275-3ARQZ is a highly efficient and advanced Hot Swap Controller with a range of features and benefits, including a small footprint, fast response time, wide input voltage range, and fault protection. This device is suitable for a wide range of applications, including data centers, ATE equipment, and distributed power systems. The ADM1275-3ARQZ is designed to provide maximum power delivery and protection for hot swap applications with maximum safety and reliability.

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