The TPS2388RTQT is a state-of-the-art octal channel Power over Ethernet (PoE) controller designed and manufactured by the renowned semiconductor company, Texas Instruments. This innovative component is tailored for use in Power Sourcing Equipment (PSE) that requires high-efficiency power delivery across Ethernet cables to Powered Devices (PDs).

Key Features

• Eight Independent PSE Channels: The TPS2388RTQT boasts eight channels that can independently control and monitor up to eight PoE devices, providing versatility for networked power solutions.
• IEEE 802.3bt Compliant: It supports the latest PoE standard, IEEE 802.3bt, which allows for up to 90W of power per port, enabling the use of more power-hungry devices over a network.
• Advanced Power Management: With its superior power management capabilities, this controller ensures efficient power allocation and prioritization for connected devices.
• Auto Maintain Power Signature (MPS): The device features an automatic MPS function, which ensures continuous communication with connected PDs for reliable operation.
• Robust Protection Features: The TPS2388RTQT is equipped with a range of protection features, including over-current, under-current, and over-temperature protection, safeguarding both the PSE and PDs from potential damage.
• Thermal Shutdown: An integrated thermal shutdown mechanism prevents overheating, contributing to the longevity and reliability of the component.

Applications

The TPS2388RTQT is ideal for a variety of applications, including:

• Network Switches and Routers
• Wireless Access Points
• IP Surveillance Cameras
• VoIP Phones
• Point of Sale (PoS) Systems

Technical Specifications

Enclosed in a 48-pin QFN package, the TPS2388RTQT operates over an industrial temperature range and requires a single 32V to 57V supply. It is designed to be easily integrated into various PSE designs, offering a compact and flexible solution for network power requirements.

Conclusion

The TPS2388RTQT from Texas Instruments represents a powerful and efficient solution for modern PoE applications, providing advanced features and protections to ensure safe and reliable power delivery over Ethernet infrastructures.