Texas Instruments

TPS2377D-1

TPS2377D-1 Description

The TPS2377D-1 from Texas Instruments is a highly integrated Power over Ethernet (PoE) Powered Device (PD) controller designed for IEEE 802.3af (PoE) compliant applications. Housed in an 8-pin SOIC package, this surface-mount IC provides a compact and efficient solution for powering PoE-enabled devices. With a wide input voltage range (0V to 57V) and 12.95W maximum power delivery, it supports a variety of low-power applications. The device features an internal switch, eliminating the need for external MOSFETs, and operates with a low supply current of 240µA, enhancing energy efficiency. Compliant with RoHS3 and REACH standards, it is suitable for environmentally conscious designs.

TPS2377D-1 Features

• Single-Channel PD Controller: Integrates a complete PoE interface with IEEE 802.3af compliance.
• Internal Power MOSFET: Reduces external component count and simplifies PCB layout.
• Low Quiescent Current (240µA): Optimizes power efficiency in standby or low-load conditions.
• Wide Input Voltage Range (0V–57V): Ensures compatibility with various PoE power sources.
• Compact 8-SOIC Package: Ideal for space-constrained applications.
• Robust Protection: Includes thermal and overcurrent safeguards for reliable operation.
• RoHS3 & REACH Compliant: Meets stringent environmental regulations.

TPS2377D-1 Applications

The TPS2377D-1 is ideal for PoE-powered devices requiring compact, efficient power management, such as:

• IP Phones & VoIP Devices: Provides reliable power and data over Ethernet.
• Wireless Access Points: Simplifies installation by eliminating separate power supplies.
• Security Cameras (IP Cameras): Enables centralized power delivery in surveillance systems.
• IoT Sensors & Edge Devices: Supports low-power remote deployments.
• Industrial Automation: Powers sensors and controllers in PoE-enabled networks.

Conclusion of TPS2377D-1

The TPS2377D-1 stands out as a highly integrated, efficient PoE PD controller, offering simplified design, low power consumption, and robust compliance with industry standards. Its internal switch, wide voltage range, and compact form factor make it an excellent choice for space-sensitive, power-efficient PoE applications. Whether in telecom, security, or IoT, this controller delivers reliable performance while reducing system complexity and cost.