MAX5903NNEUT+T

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PMIC (Power Management Integrated Circuit) is vital for high-end electronic products. Hot Swap Controllers allow the replacement of misbehaving or failed power modules and are applied to many consumer and business products, such as computers, routers, network switches and HDDs. The MAX5903NNEUT+T is a Hot Swap Controller specifically designed for use in Two-Wire Hot Swap Control Applications.

The Application Field and Working Principle of MAX5903NNEUT+T

The MAX5903NNEUT+T is a bidirectional two-wire Hot Swap Controller especially designed for low-voltage (< 10V systems). The Hot Swap Controller features an externally adjustable current limit up to 8A and is especially designed to provide high power capability. The advantage of this Hot Swap Controller is that it allows the removal or insertion of a failed power module in a two-wire system, while at the same time providing protection for the adjacent modules in the system by limiting the inrush current.

The MAX5903NNEUT+T is ideal for telecom, computing, and other systems requiring a simple Hot Swap Controller with current limiting either in breadboard designs or single board computer applications. The Hot Swap Controller is enabled by its programmable overcurrent threshold, which ensures that the device limits the inrush current of capacitive loads. It also offers low minimum operating voltages, making it suitable for low-voltage systems.

The Hot Swap Controller is composed of a fast-acting, temperature-stable current limiter, a regulator controller, and a low-noise low-dropout linear regulator. These three components work together to provide Hot Swap Control and protection. The fast-acting current limiter is used to cut off the connection of the hot-swappable module in the case of an overcurrent fault. The regulator controller monitors the voltage at the input of the Hot Swap Controller and sets the maximum current. The linear regulator sets the output voltage of the Hot Swap Controller.

The Hot Swap Controller also features programmable overvoltage and short-circuit protection. It can be programmed to detect and shut down when the output voltage exceeds a certain level. The short-circuit protection feature protects the Hot Swap Controller from damage caused by a short-circuited load. Finally, it offers Enhanced Thermal Shutdown, which increases the Hot Swap Controller\'s thermal protection ability.

In summary, the MAX5903NNEUT+T from Maxim Integrated is a Hot Swap Controller specifically designed for use in Two-Wire Hot Swap Control Applications. This Hot Swap Controller provides current limiting, overvoltage protection, and thermal shutdown for additional protection. The Hot Swap Controller is suitable for low-voltage systems and provides high power capability. It is widely used in telecom, computing, and other systems requiring a simple Hot Swap Controller with current limiting.

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