The TPS23521PWT is a highly sophisticated hot-swap power manager and eFuse device designed by Texas Instruments, renowned for their innovative and reliable semiconductor products. This device is specifically engineered to protect systems against the various electrical hazards that can occur when a peripheral device is inserted or removed while power is applied, commonly known as hot-swapping.

Key Features and Benefits

• Integrated eFuse: The TPS23521PWT comes with an integrated electronic fuse (eFuse) that provides a robust protection mechanism against overcurrent, short-circuit, and overvoltage, ensuring the safety and longevity of the electronic system.
• Programmable Current Limit: Users can set the current limit threshold according to their system requirements, which helps prevent damage due to excessive current draw.
• Under-Voltage Lockout (UVLO): This feature ensures that the device only operates when the input voltage is within a specified range, protecting against undervoltage conditions.
• Overvoltage Protection: The device includes overvoltage protection to safeguard the system against voltage spikes that can potentially cause harm to the connected loads.
• Thermal Shutdown: In the event of an over-temperature condition, the TPS23521PWT can shut down to prevent thermal damage.
• Fast Response Time: The device is designed to react quickly to fault conditions, thereby minimizing the risk of damage to the system.
• Power Good (PG) Output: This output provides a real-time indication that the output voltage is within the operational range, which can be used for sequencing or as a diagnostic tool.

Applications

The TPS23521PWT is suitable for a wide range of applications, particularly in systems that require reliable power management during hot-swap events. Typical applications include:

• Servers and Network Equipment
• Storage Systems
• Telecommunications Equipment
• Industrial Systems

Technical Specifications

With an operating temperature range from -40°C to 85°C and housed in a compact 14-pin TSSOP (PWT) package, the TPS23521PWT is designed for easy integration into a variety of electronic systems. The device's precision current sensing and programmable fault thresholds make it a versatile solution for managing power supply events in sensitive electronic equipment.