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TPS23753PWRG4
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TPS23753PWRG4

Product Overview

Category

The TPS23753PWRG4 belongs to the category of integrated circuits (ICs) and specifically falls under the Power over Ethernet (PoE) controllers.

Use

This IC is primarily used in PoE applications, where it enables the delivery of power and data over a single Ethernet cable. It provides a cost-effective solution for powering various devices such as IP cameras, wireless access points, and VoIP phones.

Characteristics

  • Power over Ethernet controller
  • Supports IEEE 802.3af/at standards
  • Integrated DC-DC converter
  • High efficiency operation
  • Low power consumption
  • Wide input voltage range
  • Overcurrent and overvoltage protection
  • Thermal shutdown protection

Package

The TPS23753PWRG4 comes in a small outline integrated circuit (SOIC) package. This package offers good thermal performance and ease of handling during assembly.

Essence

The essence of the TPS23753PWRG4 lies in its ability to simplify the implementation of Power over Ethernet technology by integrating key functions into a single IC. It eliminates the need for external components, reducing overall system cost and complexity.

Packaging/Quantity

The TPS23753PWRG4 is typically available in tape and reel packaging, with a quantity of 2500 units per reel.

Specifications

  • Input Voltage Range: 36V to 57V
  • Output Voltage Range: 3.3V to 12V
  • Maximum Output Power: 25W
  • Operating Temperature Range: -40°C to +85°C
  • Control Interface: I2C/SMBus

Detailed Pin Configuration

The TPS23753PWRG4 has a total of 20 pins. The pin configuration is as follows:

  1. VDD: Power supply voltage input
  2. VDDP: Power supply voltage for internal digital circuitry
  3. GND: Ground reference
  4. PWRGD: Power good output indicating successful power delivery
  5. ISET: Current limit setting pin
  6. VREF: Reference voltage output
  7. FB: Feedback voltage input for output regulation
  8. EN: Enable pin to control device operation
  9. SDA: Serial data input/output for I2C communication
  10. SCL: Serial clock input for I2C communication 11-20. NC: No connection

Functional Features

  1. Integrated DC-DC Converter: The TPS23753PWRG4 incorporates a high-efficiency DC-DC converter, eliminating the need for an external converter in PoE applications.

  2. IEEE 802.3af/at Compliance: This IC fully supports the IEEE 802.3af/at standards, ensuring compatibility with a wide range of PoE-enabled devices.

  3. Overcurrent and Overvoltage Protection: The TPS23753PWRG4 includes built-in protection mechanisms to safeguard against overcurrent and overvoltage conditions, enhancing system reliability.

  4. Thermal Shutdown Protection: In case of excessive temperature, the IC automatically shuts down to prevent damage, ensuring safe operation even under challenging environmental conditions.

Advantages and Disadvantages

Advantages

  • Integration: The TPS23753PWRG4 integrates multiple functions into a single IC, reducing component count and simplifying system design.
  • Cost-effective: By eliminating the need for external components, this IC helps lower overall system cost.
  • Efficiency: The integrated DC-DC converter ensures high efficiency power conversion, minimizing energy losses.
  • Protection Mechanisms: Built-in overcurrent, overvoltage, and thermal shutdown protection enhance system reliability.

Disadvantages

  • Limited Output Power: The maximum output power of 25W may not be sufficient for high-power PoE applications.
  • Control Interface: The I2C/SMBus control interface may require additional circuitry for communication with the host system.

Working Principles

The TPS23753PWRG4 operates by receiving power and data from an Ethernet cable connected to a PoE switch or injector. It extracts the power from the cable, regulates it using the integrated DC-DC converter, and delivers it to the connected device. The IC also communicates with the host system through the I2C/SMBus interface, allowing for control and monitoring of various parameters.

Detailed Application Field Plans

The TPS23753PWRG4 finds extensive application in the following fields:

  1. IP Cameras: This IC enables the deployment of PoE-powered IP cameras, eliminating the need for separate power cables and simplifying installation.

  2. Wireless Access Points: By integrating power and data transmission, the TPS23753PWRG4 facilitates the implementation of PoE-enabled wireless access points, providing flexibility in network deployment.

  3. VoIP Phones: Powering VoIP phones over Ethernet cables using the

Luettele 10 yleistä kysymystä ja vastausta, jotka liittyvät TPS23753PWRG4 :n soveltamiseen teknisissä ratkaisuissa

Sure! Here are 10 common questions and answers related to the application of TPS23753PWRG4 in technical solutions:

  1. Q: What is TPS23753PWRG4? A: TPS23753PWRG4 is a Power over Ethernet (PoE) controller IC designed for use in various applications that require power delivery over Ethernet cables.

  2. Q: What are the key features of TPS23753PWRG4? A: Some key features of TPS23753PWRG4 include IEEE 802.3at-compliant PoE, integrated DC-DC converter, advanced power management, and support for various power sourcing equipment (PSE) types.

  3. Q: How does TPS23753PWRG4 enable Power over Ethernet? A: TPS23753PWRG4 integrates the necessary circuitry to extract power from an Ethernet cable and convert it into usable voltage levels for powering devices.

  4. Q: Can TPS23753PWRG4 be used in both low-power and high-power PoE applications? A: Yes, TPS23753PWRG4 supports a wide range of power levels, making it suitable for both low-power and high-power PoE applications.

  5. Q: What types of devices can be powered using TPS23753PWRG4? A: TPS23753PWRG4 can power a variety of devices such as IP cameras, wireless access points, VoIP phones, and other network-connected devices.

  6. Q: Does TPS23753PWRG4 provide protection against overvoltage and overcurrent conditions? A: Yes, TPS23753PWRG4 includes built-in protection features like overvoltage, overcurrent, and short-circuit protection to safeguard the connected devices.

  7. Q: Can TPS23753PWRG4 be used in both 5V and 12V PoE applications? A: Yes, TPS23753PWRG4 supports both 5V and 12V output voltages, allowing it to be used in a wide range of PoE applications.

  8. Q: What is the maximum power that TPS23753PWRG4 can deliver? A: TPS23753PWRG4 can deliver up to 25.5W of power, making it suitable for powering higher-power devices.

  9. Q: Does TPS23753PWRG4 support Power Sourcing Equipment (PSE) detection? A: Yes, TPS23753PWRG4 includes PSE detection capabilities, allowing it to identify compatible PSEs and negotiate power delivery.

  10. Q: Are there any application notes or reference designs available for TPS23753PWRG4? A: Yes, Texas Instruments provides application notes and reference designs that can help users implement TPS23753PWRG4 in their specific technical solutions.

Please note that these answers are general and may vary depending on the specific implementation and requirements of your technical solution. It's always recommended to refer to the datasheet and documentation provided by the manufacturer for accurate information.