MP5021GQV-P

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A PMIC – Hot Swap Controllers is a device which helps regulate and manage power to the system effectively. It contains several components like control pins, voltage regulation circuits and hot swap controllers. The MP5021GQV-P is an integrated controller which provides power-on reset, alert function, and current monitoring functions needed for hot swap applications.

Application Field

The MP5021GQV-P is particularly suitable for hot swap circuit in Servers, RAID systems, Industrial PCs, large-scale mini-switches and network equipment. It can maintain the power supply during the process of hot-plug and hot-swap. It also provides voltage regulator functions, which can control the increase and decrease of the system’s power consumption. In addition, it can prevent the system circuit and components from damage, effectively guaranteeing the safety of the entire system.

Working Principle

The MP5021GQV-P utilizes the input voltage and a current monitor to provide a reset signal to the system. The processor core voltage can be monitored and as soon as it drops below a predetermined threshold, the MP5021GQV-P will generate a reset signal causing the system to shutdown safely and preventing further damage.

Additionally, the MP5021GQV-P can detect inrush currents, which may result from hot plugging or unplugging, and will limit current accordingly. The MP5021GQV-P contains an integrated signal pin that can rapidly alert the system of an over-current or under-voltage fault, preventing any damage caused by hot-plugging or hot-swapping.

The MP5021GQV-P also provides voltage reference functions, which can maintain the system’s output voltage stable and provide a low-noise operation environment.

Lastly, the MP5021GQV-P contains two power-on reset control pins that are used by system designers to create a reset sequence. This sequence can be easily adjusted by varying the power-on time of each pin. The MP5021GQV-P is a compact way to integrate all the important features needed for a hot swap system.

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