Product Overview: TPS2376DDA-HG4

The TPS2376DDA-HG4 is a robust, feature-rich Power over Ethernet (PoE) interface and DC-DC controller device designed by Texas Instruments. This integrated circuit is specifically engineered to facilitate the implementation of PoE Powered Devices (PDs) in accordance with the IEEE 802.3at (PoE+) standard, as well as being backward compatible with IEEE 802.3af (PoE).

Key Features

• Compliance with PoE Standards: The TPS2376DDA-HG4 fully supports the IEEE 802.3at standard for PoE+, ensuring compatibility with newer PoE+ sources while maintaining interoperability with existing PoE systems.
• Advanced Power Management: This device offers a programmable classification signature, which allows the PD to communicate its power needs to the Power Sourcing Equipment (PSE). Additionally, it features an under-voltage lockout (UVLO) for 2-event classification, ensuring reliable operation.
• Enhanced Protection: The TPS2376DDA-HG4 incorporates a range of protective features including thermal shutdown, overload and short-circuit protection, and a robust 100-V transistor to safeguard the PD from electrical anomalies.
• Efficient DC-DC Conversion: As a DC-DC controller, the device supports a variety of topologies such as flyback, forward converter, or buck/boost, enabling flexible design options for efficient power conversion.
• Package and Temperature Range: The device comes in a compact HTSSOP (High-Temperature Shrink Small-Outline Package) with 14 pins and is designed to operate over an industrial temperature range of -40°C to 85°C.

Applications

The TPS2376DDA-HG4 is ideal for a wide range of applications that require PoE capabilities. These include:

• VoIP Phones
• Wireless Access Points
• Security Cameras
• Network Routers and Switches
• Industrial Controls

Conclusion

With its comprehensive feature set and adherence to industry standards, the TPS2376DDA-HG4 from Texas Instruments stands out as a versatile and reliable solution for powering a variety of devices over Ethernet cables. It is an excellent choice for designers looking to create efficient, safe, and compliant PoE-enabled systems.