Texas Instruments
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TPS23841PAPG4
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TPS23841PAPG4

Product Overview

Category

The TPS23841PAPG4 belongs to the category of Power over Ethernet (PoE) controllers.

Use

This product is primarily used in PoE applications to provide power and data transmission capabilities over Ethernet cables.

Characteristics

  • Supports IEEE 802.3bt standard for high-power PoE applications.
  • Provides up to 90W of power per port.
  • Features advanced power management and protection mechanisms.
  • Offers flexible power allocation and prioritization options.
  • Supports various detection and classification methods.

Package

The TPS23841PAPG4 comes in a small outline package (SOP) with 20 pins.

Essence

The essence of this product lies in its ability to efficiently deliver power and data over Ethernet cables, simplifying the installation and management of network devices.

Packaging/Quantity

The TPS23841PAPG4 is typically packaged in reels or tubes, with a quantity of 250 units per reel/tube.

Specifications

  • Input voltage range: 44V to 57V
  • Operating temperature range: -40°C to 125°C
  • Maximum power dissipation: 2.5W
  • Maximum current consumption: 10mA
  • Supported Ethernet standards: 10BASE-T, 100BASE-TX, 1000BASE-T

Detailed Pin Configuration

  1. VDD
  2. VDD
  3. NC
  4. NC
  5. NC
  6. NC
  7. NC
  8. NC
  9. NC
  10. NC
  11. NC
  12. NC
  13. NC
  14. NC
  15. NC
  16. NC
  17. NC
  18. NC
  19. GND
  20. GND

Functional Features

  • Integrated detection and classification algorithms for efficient power management.
  • Advanced protection mechanisms to prevent damage to connected devices.
  • Flexible power allocation and prioritization options based on device requirements.
  • Support for various PoE standards, including IEEE 802.3af, 802.3at, and 802.3bt.

Advantages and Disadvantages

Advantages

  • High-power delivery capability enables the use of PoE in a wide range of applications.
  • Efficient power management features optimize energy usage.
  • Comprehensive protection mechanisms ensure the safety of connected devices.
  • Flexibility in power allocation allows for customization based on specific requirements.

Disadvantages

  • Higher cost compared to traditional non-PoE solutions.
  • Requires compatible PoE-enabled devices for full functionality.

Working Principles

The TPS23841PAPG4 operates by detecting and classifying connected devices to determine their power requirements. It then allocates the appropriate amount of power to each device while ensuring that the total power consumption does not exceed the available power budget. The controller continuously monitors the power delivery process and provides protection against overcurrent, overvoltage, and other potential issues.

Detailed Application Field Plans

The TPS23841PAPG4 is widely used in various applications, including: 1. IP cameras and surveillance systems 2. Wireless access points 3. VoIP phones 4. Industrial automation equipment 5. Building management systems 6. IoT devices

Detailed and Complete Alternative Models

  1. TPS23842PAPG4: Similar to TPS23841PAPG4 with additional features for enhanced power management.
  2. TPS23754PWPR: PoE controller with integrated DC-DC converter for simplified power delivery.
  3. LTC4267CGN#PBF: Multiport PoE controller with advanced diagnostics and monitoring capabilities.

These alternative models offer similar functionality and can be considered based on specific application requirements.

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Перечислите 10 распространенных вопросов и ответов, связанных с применением TPS23841PAPG4 в технических решениях.

Sure! Here are 10 common questions and answers related to the application of TPS23841PAPG4 in technical solutions:

  1. Q: What is TPS23841PAPG4? A: TPS23841PAPG4 is a Power over Ethernet (PoE) powered device (PD) controller that integrates all the necessary functions for a PoE PD.

  2. Q: What is the maximum power that TPS23841PAPG4 can handle? A: TPS23841PAPG4 can handle up to 90W of power, making it suitable for high-power PoE applications.

  3. Q: Can TPS23841PAPG4 support both IEEE 802.3af and IEEE 802.3at standards? A: Yes, TPS23841PAPG4 supports both IEEE 802.3af (PoE) and IEEE 802.3at (PoE+) standards.

  4. Q: What are the key features of TPS23841PAPG4? A: Some key features of TPS23841PAPG4 include advanced power management, integrated DC-DC converter, programmable LED drivers, and comprehensive fault protection.

  5. Q: How many ports can TPS23841PAPG4 support? A: TPS23841PAPG4 can support up to four PoE ports, allowing for multiple devices to be powered simultaneously.

  6. Q: Is TPS23841PAPG4 compatible with various Ethernet speeds? A: Yes, TPS23841PAPG4 is compatible with 10 Mbps, 100 Mbps, and 1 Gbps Ethernet speeds.

  7. Q: Can TPS23841PAPG4 provide power classification for connected devices? A: Yes, TPS23841PAPG4 supports power classification according to the IEEE 802.3af/at standards.

  8. Q: Does TPS23841PAPG4 have built-in thermal protection? A: Yes, TPS23841PAPG4 has built-in thermal protection to prevent overheating and ensure safe operation.

  9. Q: Can TPS23841PAPG4 be used in industrial applications? A: Yes, TPS23841PAPG4 is suitable for a wide range of applications, including industrial automation, surveillance systems, and smart buildings.

  10. Q: What is the input voltage range for TPS23841PAPG4? A: TPS23841PAPG4 operates with an input voltage range of 36V to 57V, which is typical for PoE systems.

Please note that these answers are general and may vary depending on the specific implementation and requirements of your technical solution.