Product Overview: TPS2421-1DDAR by Texas Instruments

The TPS2421-1DDAR is a robust, high-quality Hot Swap Power Manager designed by Texas Instruments to ensure safe board-level power management. This component is engineered to handle insertion and removal of circuit cards into live backplanes or other power sources without causing glitches or disruption in the supply voltage to the load.

Key Features

• Operating Voltage: The TPS2421-1DDAR operates over a wide input voltage range from 2.7V to 18V, making it versatile for various applications.
• Adjustable Current Limit: It offers an adjustable current limit feature that can be set by an external resistor, providing flexibility in controlling the inrush current during system start-up or card insertion.
• Fast Response to Faults: The device boasts a fast response time to overcurrent conditions, which helps in protecting the system from potential damage due to excessive power draw or short circuits.
• Circuit Breaker Functionality: The TPS2421-1DDAR includes an intelligent circuit breaker function that helps to protect the system by disconnecting the faulty load if the overcurrent condition persists.
• Thermal Shutdown: It features a thermal shutdown mechanism that turns off the device to prevent overheating, ensuring additional safety.
• Under-Voltage Lockout (UVLO): The device is equipped with UVLO protection to ensure that it operates only when the supply voltage is within the specified range.

Applications

The TPS2421-1DDAR is ideal for a variety of applications, including but not limited to:

• Servers and Telecom Equipment
• RAID Systems
• Industrial Control Systems
• Network Routers and Switches

Package and Quality

The device is offered in a compact 8-pin PowerPAD™ MSOP package, designed for efficient thermal performance and space-saving on the PCB. The TPS2421-1DDAR is part of Texas Instruments' commitment to high-quality and reliability, ensuring that it meets the stringent requirements of industrial and commercial applications.

With its comprehensive protection features and flexible design, the TPS2421-1DDAR from Texas Instruments stands out as a reliable solution for power management in critical systems.