MAX5929LHEEG+T

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PMIC (Power Management Integrated Circuit) is a key component in electronic systems that provides the power supply, voltage and current regulation and power control. Hot Swapping is a technique used to safely remove or insert power from an electronic device or system, by disconnecting the power supply and reconnecting it safely, so that components withstand the process without damage. The MAX5929LHEEG+T is a PMIC Hot Swap Controllers which offers fault protection in Hot Swap applications.

The MAX5929LHEEG+T Hot Swap Controllers monitor power up and down ramps and provide reliable power sequencing through a configurable timing arrangement. The extended voltage range combined with high-current sourcing efficiency allows automatic precharge of the circuit with a minimal operating current. This device has built-in protection that makes it suitable for use in current-sensitive applications, through the Onboard current limit and fault protection precharge delay thresholds.

The MAX5929LHEEG+T Hot Swap Controllers feature a high-performance constant current-limit control loop with an upstream current-limit (UCL) comparator. This serves as the primary current limiting element, allowing precise current limit control over a wide temperature range. An adjustable threshold current-limit (TCL) is also included and this serves as the secondary current-limiting element. The UCL and the TCL comparators together form a fully digital current-limit control loop and provide additional system-level fault protection.

The MAX5929LHEEG+T Hot Swap Controllers provide surge protection and also feature a wide input voltage window from 1.62 V to 28 V, allowing a high voltage range to be used in applications that require specific low startup voltages. The device\'s XCell power saving mode reduces power consumption, while the configurable soft-start prevents inrush current during powerup. The MAX5929LHEEG+T is a highly integrated Hot Swap Controller with a broad range of features.

In terms of its applications, the MAX5929LHEEG+T Hot Swap Controllers can be employed as power control and fault protection solutions for industrial control, telecom and computing systems, as well as communications, automotive, and any applications requiring Hot Swap protection. This include FPGA power, ASIC power, and disk drive power. The MAX5929LHEEG+T enables precise voltage and current regulation for Hot Swap circuits.

The working principle of the MAX5929LHEEG+T Hot Swap Controllers is based on the integrated overcurrent sensing, load current sensing and load current foldback current limit protection and fault isolation. This device also features an adjustable voltage foldback and threshold voltage limit. When the input integrated voltage drops below the voltage foldback level, the device enters an automatic ON/OFF state, which prevents damage if the input voltage is too low. When the input voltage exceeds the threshold voltage limit level, the device will go into the the fault interlock state to ensure sufficient protection.It also provides current limit protection through the TCL comparator and over-temperature protection.

The MAX5929LHEEG+T Hot Swap Controllers offer a comprehensive array of features and protections that contribute to reliable Hot Swap operations. This device has a robust architecture that enables it to offer high surge protection and high width input voltage window and is an excellent choice for Hot Swap applications in industrial, telecom and computing systems.

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