TPS2331IPWG4

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The TPS2331IPWG4 is a Hot Swap Controller that enables a board to be safely inserted and removed from a live system. With a fully integrated Power MOSFET, the Hot Swap Controller prevents inrush current during insertion, regulates and presents an adjustable output voltage, and monitors current limits when supplied from an external power source.

The TPS2331IPWG4 is specifically designed to protect live systems, essentially the application field that it is best suited for. Basic system protection such as reverse bias and undervoltage lockout (UVLO) are included along with an adjustable output voltage limit and programmable current limit. Integrated system protection such as Thermal Shutdown (TSD), Short Circuit (SC) protection and an opto-electrical, logic-compatible UVLOs are important features that help ensure longevity in the system.

The TPS2331IPWG4 working principle is simple and effective. During insertion, the Hot Swap Controller drives the gate of the integrated Power MOSFET in order to reduce the inrush current. When the input voltage reaches the UVLO threshold, the controller turns on the Power MOSFET to establish the output connection and the load current is limited by the adjustable current limit. The output voltage is then maintained, limited and monitored by the controller.

The adjustable current limit feature of the TPS2331IPWG4 allows designers to ensure a safe system operation and prevents overloads, thus helping to prolong the life of the system. During removal, the controller monitors the input voltage and the output connection is removed, thus protecting the system from short circuits.

Overall, the TPS2331IPWG4 is a Hot Swap Controller that enables a board to be safely inserted and removed from a live system in a safe and efficient way. The integrated protection features such as reverse bias and undervoltage lockout, adjustable output voltage and current limit, thermal shutdown, short circuit protection and opto-electrical, logic-compatible UVLOs provide a reliable system that helps ensure long-term system longevity.

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