MAX5903AAEUT+T Integrated Circuits (ICs)

Series:	Simple Swapper™
Packaging:	Tape & Reel (TR)
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Type:	Hot Swap Controller
Number of Channels:	1
Internal Switch(s):	No
Applications:	General Purpose
Features:	Auto Retry, Fault Timeout, Thermal Limit
Programmable Features:	UVLO
Voltage - Supply:	9 V ~ 72 V
Current - Output (Max):	--
Operating Temperature:	-40°C ~ 85°C
Current - Supply:	1mA
Mounting Type:	Surface Mount
Package / Case:	SOT-23-6
Supplier Device Package:	SOT-23-6
Feature Pins:	DRAIN, (ON, /OFF), PGOOD
Base Part Number:	MAX5903

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Introduction

The MAX5903AAEUT+T is a high-performance, versatile Hot Swap controllers with intelligent switching circuitry and integrated 3.2V/8A power supply rail. It is an ideal component for system durability, flexibility, and high efficiency. With its unique closed loop feedback algorithm and advanced over-temperature protection feature, the MAX5903AAEUT+T provides a highly reliable alternative to conventional Hot Swap controllers. This paper will discuss the application field and working principle of the MAX5903AAEUT+T Hot Swap controller.

Application Field of MAX5903AAEUT+T

The MAX5903AAEUT+T Hot Swap controller is ideally used in conjunction with a road-side controller, a power supply, and a load switch. By using this integrated system, the Hot Swap controller can provide superior load regulation, efficient load protection, and high-performance load shedding. Its integral 3.2V/8A power supply rail ensures that the system can reliably support any hot swappable device. It can also be used in combination with an existing power supply to provide further system robustness.The MAX5903AAEUT+T Hot Swap controller is commonly applied in a variety of environments, such as power distribution systems, portable electronics, military, automotive, healthcare and many more. The controller is highly integrated and within its small SMT package, it offers a complete range of Hot Swap functions.

Working Principle of MAX5903AAEUT+T

The MAX5903AAEUT+T Hot Swap controller uses an advanced closed loop feedback algorithm to dynamically control the input power to the load. It continuously monitors the voltage and current levels at the load to optimize the system power efficiency. This algorithm is active even during hot swaps, ensuring that safe, consistent, and power efficient operations. The controller also integrates an advanced over-temperature protection feature. This feature monitors the temperature across its power channel during hot swappable operations. If the temperature rises above a predetermined level, the controller will automatically reduce their power demand, thus preventing any generated heat from damaging the components connected to the Hot Swap controller. The MAX5903AAEUT+T Hot Swap controller provides a range of monitoring and protection features, such as current sensing and protection, voltage sensing, over-temperature protection, and open circuit protection. This ensures that the Hot Swap controller is always well protected and regulated, no matter what application it is used in.

Conclusion

The MAX5903AAEUT+T Hot Swap controller is a highly reliable and efficient device intended for a wide range of applications. Its integrated closed loop feedback algorithm and advanced over-temperature protection features make it a perfect choice for any hot swappable system. With its highly integrated design, the MAX5903AAEUT+T is capable of providing reliable and power efficient operations, ensuring the safety and durability of any system.

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