TPS23861PWR

The TPS23861PWR is a Power over Ethernet (PoE) powered device (PD) controller manufactured by Texas Instruments. It is designed to facilitate the integration of PoE capabilities 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. PoE Standards Compliance: The TPS23861PWR supports IEEE 802.3af (PoE), IEEE 802.3at (PoE+), and IEEE 802.3bt (PoE++), allowing it to deliver power levels up to 60W, making it suitable for a wide range of applications, including IP cameras, wireless access points, and VoIP phones.

2. Integrated Power Management: The device includes integrated power management features that allow for efficient power distribution and management. It can handle multiple powered devices and manage power allocation dynamically.

3. High Efficiency: The TPS23861PWR is designed for high efficiency, minimizing power loss during operation. This is particularly important in applications where thermal management is a concern.

4. Multiple Port Support: The controller can manage multiple ports, making it ideal for multi-port PoE switches or hubs. It can support up to 8 ports, allowing for flexible network configurations.

5. Advanced Protection Features: The device includes various protection mechanisms such as overcurrent protection, thermal shutdown, and under-voltage lockout, ensuring reliable operation and safeguarding connected devices.

6. Flexible Configuration: The TPS23861PWR can be configured for different applications through external components, allowing designers to tailor the solution to their specific needs.

7. Communication Interface: It features an I2C interface for communication with a host microcontroller, enabling monitoring and control of the PoE system.

8. Compact Package: The device is housed in a compact HTQFP (Thin Quad Flat Pack) package, which is suitable for space-constrained designs.

Applications:

• IP Cameras: Ideal for powering surveillance cameras that require both data and power over Ethernet.
• Wireless Access Points: Supports the deployment of wireless networks by powering access points without the need for separate power sources.
• VoIP Phones: Enables the use of VoIP phones in environments where power outlets are limited.
• Network Switches: Can be integrated into PoE switches to provide power to multiple devices simultaneously.

Electrical Characteristics:

• Input Voltage Range: Typically operates within a range of 44V to 57V, suitable for standard PoE applications.
• Output Power: Capable of delivering up to 60W per port, depending on the PoE standard being used.
• Operating Temperature Range: Designed to operate in a wide temperature range, making it suitable for various environmental conditions.

Conclusion:

The TPS23861PWR from Texas Instruments is a versatile and efficient PoE controller that simplifies the integration of power and data delivery in networked devices. Its compliance with multiple PoE standards, combined with advanced features and protection mechanisms, makes it an excellent choice for designers looking to implement PoE solutions in their products.