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LT4276BHUFD#TRPBF
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LT4276BHUFD#TRPBF

Product Overview

Category

LT4276BHUFD#TRPBF belongs to the category of integrated circuits (ICs).

Use

This product is commonly used in power sourcing equipment (PSE) applications.

Characteristics

  • LT4276BHUFD#TRPBF is a high-power, single-port PoE++ PSE controller.
  • It supports both 2-event and 4-event classifications.
  • The device is designed to comply with IEEE 802.3bt standards.
  • It provides advanced power management features for efficient power delivery.

Package

The LT4276BHUFD#TRPBF comes in a compact 38-lead QFN package.

Essence

The essence of LT4276BHUFD#TRPBF lies in its ability to efficiently manage power delivery in PoE++ applications.

Packaging/Quantity

This product is typically packaged in reels and available in quantities suitable for industrial production.

Specifications

  • Input Voltage Range: 44V to 57V
  • Output Voltage Range: 44V to 57V
  • Maximum Output Power: 90W
  • Operating Temperature Range: -40°C to 85°C
  • Compliance: IEEE 802.3bt

Detailed Pin Configuration

The LT4276BHUFD#TRPBF has the following pin configuration:

  1. VDD
  2. VDDSENSE
  3. VDD33
  4. VDD33SENSE
  5. VDDIO
  6. VDDIOSENSE
  7. GND
  8. GND
  9. GND
  10. GND
  11. GND
  12. GND
  13. GND
  14. GND
  15. GND
  16. GND
  17. GND
  18. GND
  19. GND
  20. GND
  21. GND
  22. GND
  23. GND
  24. GND
  25. GND
  26. GND
  27. GND
  28. GND
  29. GND
  30. GND
  31. GND
  32. GND
  33. GND
  34. GND
  35. GND
  36. GND
  37. GND
  38. GND

Functional Features

  • Advanced power management algorithms for efficient power delivery.
  • Supports both 2-event and 4-event classifications.
  • Integrated detection and classification circuits.
  • Comprehensive fault protection features.
  • Programmable current limit and inrush control.

Advantages and Disadvantages

Advantages

  • High-power capability (90W).
  • Compliance with IEEE 802.3bt standards.
  • Efficient power management algorithms.
  • Comprehensive fault protection features.

Disadvantages

  • Limited to PSE applications.
  • Requires proper understanding of PoE++ standards for optimal usage.

Working Principles

LT4276BHUFD#TRPBF operates by receiving power from an external power source and efficiently delivering it to powered devices (PDs) through Ethernet cables. It incorporates advanced power management algorithms to ensure optimal power delivery while complying with IEEE 802.3bt standards. The device also provides comprehensive fault protection features to safeguard against potential failures or malfunctions.

Detailed Application Field Plans

The LT4276BHUFD#TRPBF is primarily used in power sourcing equipment (PSE) applications, where it enables the efficient delivery of power to various powered devices over Ethernet connections. Some common application fields include:

  1. Network switches
  2. Wireless access points
  3. IP cameras
  4. VoIP phones
  5. Industrial automation systems

Detailed and Complete Alternative Models

  1. LT4276A
  2. LT4276C
  3. LT4276D
  4. LT4276E
  5. LT4276F

These alternative models offer similar functionality and characteristics to the LT4276BHUFD#TRPBF, providing flexibility in choosing the most suitable option for specific applications.

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Sebutkan 10 pertanyaan dan jawaban umum terkait penerapan LT4276BHUFD#TRPBF dalam solusi teknis

Sure! Here are 10 common questions and answers related to the application of LT4276BHUFD#TRPBF in technical solutions:

  1. Q: What is LT4276BHUFD#TRPBF? A: LT4276BHUFD#TRPBF is a specific model number of a Power over Ethernet (PoE) controller IC manufactured by Analog Devices.

  2. Q: What is the purpose of LT4276BHUFD#TRPBF? A: The purpose of LT4276BHUFD#TRPBF is to provide power and data connectivity to PoE-enabled devices over an Ethernet network.

  3. Q: What are the key features of LT4276BHUFD#TRPBF? A: Some key features of LT4276BHUFD#TRPBF include IEEE 802.3af/at/bt compliance, integrated PD detection, programmable current limit, and advanced thermal management.

  4. Q: How does LT4276BHUFD#TRPBF detect powered devices (PDs)? A: LT4276BHUFD#TRPBF uses a proprietary algorithm called Autoclass to detect and classify connected PDs based on their power requirements.

  5. Q: Can LT4276BHUFD#TRPBF support both 10/100Mbps and Gigabit Ethernet? A: Yes, LT4276BHUFD#TRPBF supports both 10/100Mbps and Gigabit Ethernet speeds.

  6. Q: What is the maximum power output of LT4276BHUFD#TRPBF? A: LT4276BHUFD#TRPBF can deliver up to 90W of power to connected PDs, depending on the PoE standard being used.

  7. Q: Does LT4276BHUFD#TRPBF support power management features? A: Yes, LT4276BHUFD#TRPBF offers various power management features such as programmable current limit, thermal shutdown, and fault protection.

  8. Q: Can LT4276BHUFD#TRPBF be used in industrial applications? A: Yes, LT4276BHUFD#TRPBF is designed to operate reliably in industrial environments and can be used in a wide range of industrial applications.

  9. Q: What are the typical input voltage requirements for LT4276BHUFD#TRPBF? A: LT4276BHUFD#TRPBF typically operates from an input voltage range of 36V to 57V.

  10. Q: Are evaluation boards or reference designs available for LT4276BHUFD#TRPBF? A: Yes, Analog Devices provides evaluation boards and reference designs to help users quickly prototype and implement solutions using LT4276BHUFD#TRPBF.

Please note that the specific details and answers may vary depending on the manufacturer's documentation and application requirements.