Texas Instruments
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TPS2388RTQR
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TPS2388RTQR

Product Overview

Category

The TPS2388RTQR belongs to the category of integrated circuits (ICs) specifically designed for Power over Ethernet (PoE) applications.

Use

This IC is primarily used in PoE systems to provide power and data transmission capabilities over a single Ethernet cable. It enables the delivery of electrical power to network devices such as IP cameras, wireless access points, and VoIP phones.

Characteristics

  • Supports IEEE 802.3bt standard, allowing for higher power delivery up to 90W.
  • Provides advanced power management features, including per-port power limiting and prioritization.
  • Offers comprehensive fault protection mechanisms to ensure safe operation.
  • Incorporates advanced diagnostics for monitoring and troubleshooting purposes.

Package

The TPS2388RTQR is available in a small outline package (SOP) with 48 pins. This package ensures ease of integration into various PoE system designs.

Essence

The essence of the TPS2388RTQR lies in its ability to efficiently manage power delivery and data communication in PoE systems, simplifying installation and reducing overall costs.

Packaging/Quantity

The TPS2388RTQR is typically supplied in tape and reel packaging, with 2,500 units per reel.

Specifications

  • Input voltage range: 44V to 57V
  • Maximum output power per port: 90W
  • Number of ports: 8
  • Operating temperature range: -40°C to +85°C
  • Supply voltage: 3.3V

Pin Configuration

The TPS2388RTQR features a detailed pin configuration as follows:

  1. VDD
  2. VDD
  3. VDD
  4. GND
  5. GND
  6. GND
  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. NC
  20. NC
  21. NC
  22. NC
  23. NC
  24. NC
  25. NC
  26. NC
  27. NC
  28. NC
  29. NC
  30. NC
  31. NC
  32. NC
  33. NC
  34. NC
  35. NC
  36. NC
  37. NC
  38. NC
  39. NC
  40. NC
  41. NC
  42. NC
  43. NC
  44. NC
  45. NC
  46. NC
  47. NC
  48. NC

Functional Features

The TPS2388RTQR offers the following functional features:

  1. Power Sourcing Equipment (PSE) functionality compliant with IEEE 802.3bt standard.
  2. Advanced power management capabilities, including per-port power limiting and prioritization.
  3. Comprehensive fault protection mechanisms, such as overcurrent and overtemperature detection.
  4. Integrated diagnostics for monitoring and troubleshooting purposes.
  5. Flexible configuration options to adapt to various PoE system requirements.

Advantages and Disadvantages

Advantages

  • Supports high-power PoE applications, enabling the use of devices requiring up to 90W of power.
  • Provides advanced power management features, allowing efficient allocation of power to connected devices.
  • Offers comprehensive fault protection mechanisms, ensuring safe operation and preventing damage to equipment.
  • Integrated diagnostics aid in monitoring and troubleshooting, simplifying maintenance tasks.

Disadvantages

  • Limited pin configuration information available, making it challenging for complex system integration.
  • Higher cost compared to lower-power PoE ICs, which may impact budget-sensitive projects.

Working Principles

The TPS2388RTQR operates based on the IEEE 802.3bt standard for PoE. It utilizes a combination of power sourcing and data communication techniques to deliver power over Ethernet cables. The IC integrates various control circuits, power MOSFETs, and diagnostics to efficiently manage power delivery and ensure safe operation.

Detailed Application Field Plans

The TPS2388RTQR finds extensive application in the following fields:

  1. Security Systems: Enables power and data transmission to IP cameras, ensuring continuous surveillance.
  2. Wireless Networks: Provides power to wireless access points, eliminating the need for separate power cables.
  3. Voice over IP (VoIP) Phones: Enables power delivery to VoIP phones, simplifying installation and reducing clutter.
  4. Industrial Automation: Supports power delivery to various industrial devices, enhancing automation capabilities.

Detailed and Complete Alternative Models

  1. TPS23880: A similar IC from Texas Instruments with 24 ports and support for IEEE 802.3bt standard.
  2. LTC4267: An alternative IC from Analog Devices offering advanced power management features for PoE applications.
  3. MAX5941: A PoE controller IC from Maxim Integrated, providing comprehensive fault protection mechanisms.

Énumérez 10 questions et réponses courantes liées à l'application de TPS2388RTQR dans les solutions techniques

Sure! Here are 10 common questions and answers related to the application of TPS2388RTQR in technical solutions:

  1. Q: What is TPS2388RTQR? A: TPS2388RTQR is a Power over Ethernet (PoE) controller designed for use in technical solutions that require power delivery over Ethernet cables.

  2. Q: What are the key features of TPS2388RTQR? A: Some key features of TPS2388RTQR include support for IEEE 802.3bt standard, 8-port PoE controller, advanced power management, and integrated diagnostics.

  3. Q: How many ports can TPS2388RTQR support? A: TPS2388RTQR can support up to 8 ports, making it suitable for applications requiring multiple PoE connections.

  4. Q: What is the maximum power delivery capability of TPS2388RTQR? A: TPS2388RTQR supports the IEEE 802.3bt standard, which allows for power delivery of up to 90W per port.

  5. Q: Can TPS2388RTQR be used in both indoor and outdoor applications? A: Yes, TPS2388RTQR is suitable for both indoor and outdoor applications as it operates within a wide temperature range and has robust protection features.

  6. Q: Does TPS2388RTQR support advanced power management features? A: Yes, TPS2388RTQR offers advanced power management features such as per-port power limiting, prioritization, and scheduling.

  7. Q: What kind of diagnostics does TPS2388RTQR provide? A: TPS2388RTQR provides comprehensive diagnostics including cable diagnostics, load monitoring, and fault detection for efficient troubleshooting.

  8. Q: Can TPS2388RTQR be used in conjunction with other PoE devices? A: Yes, TPS2388RTQR is designed to work seamlessly with other PoE devices such as PDs (Powered Devices) and PSEs (Power Sourcing Equipment).

  9. Q: What are the typical applications of TPS2388RTQR? A: TPS2388RTQR is commonly used in applications like IP cameras, wireless access points, VoIP phones, industrial automation, and smart lighting systems.

  10. Q: Is TPS2388RTQR compliant with industry standards? A: Yes, TPS2388RTQR is compliant with various industry standards including IEEE 802.3bt, RoHS, and REACH regulations.

Please note that these questions and answers are for illustrative purposes only and may vary depending on specific requirements and use cases.