TPS23757PW

The TPS23757PW is a Power over Ethernet (PoE) powered device (PD) controller manufactured by Texas Instruments. It is designed to facilitate the integration of PoE technology into various applications, enabling devices to receive power and data over a single Ethernet cable. Here’s a detailed description of its features and specifications:

Key Features:

1. Power over Ethernet Compliance: The TPS23757PW complies with IEEE 802.3af and IEEE 802.3at standards, allowing it to operate as a powered device that can draw power from PoE sources.

2. Integrated Power Management: The device includes an integrated power management system that efficiently manages the power received from the Ethernet cable, ensuring optimal performance and minimal power loss.

3. Wide Input Voltage Range: The TPS23757PW supports a wide input voltage range, typically from 36V to 57V, making it suitable for various PoE applications.

4. High Efficiency: The controller is designed for high efficiency, which is crucial for minimizing heat generation and maximizing power delivery to the connected device.

5. Built-in Protection Features: It includes several protection features such as over-voltage protection (OVP), under-voltage lockout (UVLO), and thermal shutdown, ensuring the safety and reliability of the powered device.

6. Flexible Output Options: The TPS23757PW can be configured to provide different output voltages, making it versatile for various applications, including IP cameras, VoIP phones, and wireless access points.

7. Compact Package: The device is housed in a compact PowerPAD™ package, which aids in thermal management and allows for a smaller overall footprint in the final product design.

8. Ease of Integration: The TPS23757PW is designed for easy integration into existing designs, with a straightforward application circuit and comprehensive documentation provided by Texas Instruments.

Applications:

• IP Cameras: Ideal for powering surveillance cameras that require both data and power over Ethernet.
• VoIP Phones: Suitable for Voice over IP phones that benefit from PoE for simplified cabling.
• Wireless Access Points: Can be used in wireless networking equipment to provide power and connectivity.
• Industrial Automation: Useful in various industrial applications where devices need to be powered remotely.

Technical Specifications:

• Operating Temperature Range: Typically from -40°C to +85°C, making it suitable for harsh environments.
• Switching Frequency: The device operates at a high switching frequency, which helps in reducing the size of external components like inductors and capacitors.
• Control Interface: It may include interfaces for communication with microcontrollers or other devices for enhanced functionality.

Conclusion:

The TPS23757PW from Texas Instruments is a robust and efficient solution for integrating Power over Ethernet capabilities into a wide range of applications. Its combination of compliance with industry standards, high efficiency, and built-in protection features makes it an excellent choice for developers looking to simplify power delivery in networked devices.