TPS23750PWP

Product Overview

Category

The TPS23750PWP belongs to the category of integrated circuits (ICs) and specifically falls under the power management ICs.

Use

This IC is primarily used for power over Ethernet (PoE) applications. It provides a complete solution for implementing PoE in various devices, such as IP phones, wireless access points, security cameras, and other network-connected devices.

Characteristics

• The TPS23750PWP integrates both the Powered Device (PD) controller and the Power Sourcing Equipment (PSE) controller.
• It supports IEEE 802.3at Type 1 (PoE) and Type 2 (PoE+) standards.
• This IC offers advanced features like programmable current limit, thermal shutdown protection, and input undervoltage lockout.
• It operates with high efficiency and low power dissipation, making it suitable for energy-efficient designs.

Package and Quantity

The TPS23750PWP is available in a small-sized 20-pin HTSSOP package. It is typically sold in reels or tubes, with a quantity of 250 units per reel/tube.

Specifications

• Input Voltage Range: 36V to 57V
• Output Voltage Range: 3.3V to 12V
• Maximum Output Current: 600mA
• Operating Temperature Range: -40°C to +85°C
• Power Dissipation: 1.5W (max)

Pin Configuration

The TPS23750PWP has a total of 20 pins. Here is the detailed pin configuration:

1. VDD: Power supply voltage input
2. VDDA: Analog power supply voltage input
3. VSS: Ground reference
4. VSSA: Analog ground reference
5. NC: No connection
6. NC: No connection
7. NC: No connection
8. NC: No connection
9. NC: No connection
10. NC: No connection
11. NC: No connection
12. NC: No connection
13. NC: No connection
14. NC: No connection
15. NC: No connection
16. NC: No connection
17. NC: No connection
18. NC: No connection
19. NC: No connection
20. NC: No connection

Functional Features

• Integrated PD and PSE controllers simplify PoE implementation.
• Programmable current limit allows customization based on device requirements.
• Thermal shutdown protection prevents damage due to excessive heat.
• Input undervoltage lockout ensures reliable operation under low voltage conditions.
• High efficiency and low power dissipation contribute to energy-efficient designs.

Advantages and Disadvantages

Advantages

• Integration of PD and PSE controllers reduces component count and simplifies design.
• Programmable current limit enables flexibility in powering different devices.
• Thermal shutdown protection enhances system reliability.
• High efficiency helps conserve power and reduce energy consumption.

Disadvantages

• Limited output current capability may not be suitable for high-power devices.
• The small package size may pose challenges during assembly and soldering processes.

Working Principles

The TPS23750PWP operates by receiving power and data over a standard Ethernet cable. It incorporates both the Powered Device (PD) controller and the Power Sourcing Equipment (PSE) controller, allowing it to function as both a powered device and a power source.

When acting as a PD, the IC receives power from the PSE and regulates it to provide the required voltage and current to the connected device. As a PSE, it supplies power to the connected PD while adhering to the IEEE 802.3at standards.

The TPS23750PWP employs various control mechanisms to ensure safe and efficient power transfer, including current limit regulation, thermal shutdown protection, and undervoltage lockout.

Detailed Application Field Plans

The TPS23750PWP finds applications in a wide range of PoE-enabled devices, including:

1. IP Phones: Provides power and data connectivity to IP phones, eliminating the need for separate power adapters.
2. Wireless Access Points: Powers and connects wireless access points to the network infrastructure.
3. Security Cameras: Enables PoE functionality in surveillance cameras, simplifying installation and reducing wiring complexity.
4. Network Switches: Facilitates PoE capabilities in network switches, allowing them to power connected devices.

These are just a few examples, and the TPS23750PWP can be used in various other PoE-enabled devices across different industries.

Detailed and Complete Alternative Models

1. TPS23751PWP: Similar to the TPS23750PWP, but with enhanced output current capability (up to 1A).
2. TPS23752PWP: Offers additional features like adjustable current limit and advanced diagnostics.
3. TPS23753PWP