The TPS2370DR is a high-performance Power over Ethernet (PoE) Interface and DC/DC Controller from Texas Instruments, designed to simplify the implementation of Power Sourcing Equipment (PSE) compatible with the IEEE 802.3af standard. This integrated circuit is tailored for applications such as network switches, routers, and mid-span power injectors that require efficient power delivery to powered devices (PDs) like IP cameras, wireless access points, and VoIP phones.

Key Features

• Compliance with IEEE 802.3af: The TPS2370DR ensures that your PSE designs meet the specifications for PoE, allowing for compatibility with a wide range of PDs.
• Integrated DC/DC Controller: With an onboard DC/DC controller, this IC simplifies the design process by reducing the number of external components required for power conversion.
• Programmable Power Classification: It supports programmable power classification signatures, enabling PSEs to allocate the appropriate power levels to each PD based on its specific needs.
• Advanced Protection Features: The device includes over-current, under-voltage lockout, and thermal shutdown protection to ensure reliable operation under various conditions.
• Enhanced Thermal Performance: Housed in an 8-pin SOIC package, the TPS2370DR is designed for improved thermal dissipation, ensuring stable performance even at higher power levels.

Applications

The versatility of the TPS2370DR makes it an ideal choice for a variety of PoE applications, including:

• Enterprise networking equipment such as switches and routers
• Mid-span PoE power injectors
• Industrial automation systems
• IP surveillance cameras and security systems
• Smart home devices and IoT gateways

Technical Specifications

The TPS2370DR operates over a wide input voltage range, typically from 44V to 57V, and can support PDs with power requirements up to 15.4W. Its integrated 100V MOSFET ensures robust operation and compatibility with high-voltage applications. The package's small form factor allows for compact PSE designs without compromising on power or efficiency.

For designers and engineers looking to integrate PoE capabilities into their products, the TPS2370DR offers a reliable and efficient solution backed by Texas Instruments' reputation for quality and performance.