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LTC4267IDHC-3#TRPBF
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LTC4267IDHC-3#TRPBF

Product Overview

Category

The LTC4267IDHC-3#TRPBF belongs to the category of integrated circuits (ICs) specifically designed for power management applications.

Use

This product is primarily used for power sourcing equipment (PSE) in Power over Ethernet (PoE) systems. It enables the efficient delivery of power and data over a single Ethernet cable, eliminating the need for separate power cables.

Characteristics

  • Integrated circuit for PoE applications
  • Supports IEEE 802.3af/at standards
  • Provides power classification and detection
  • Offers advanced power management features
  • Compact and highly reliable design

Package

The LTC4267IDHC-3#TRPBF is available in a small form factor package, allowing for easy integration into various PoE-enabled devices.

Essence

The essence of this product lies in its ability to simplify the implementation of PoE functionality in electronic devices, enabling seamless power and data transmission through a single Ethernet cable.

Packaging/Quantity

The LTC4267IDHC-3#TRPBF is typically packaged in tape and reel format, with a quantity of 2500 units per reel.

Specifications

  • Input Voltage Range: 36V to 57V
  • Output Voltage Range: 2.7V to 14V
  • Maximum Output Current: 400mA
  • Operating Temperature Range: -40°C to 85°C
  • Package Type: 16-Lead Plastic DFN

Detailed Pin Configuration

  1. VDD: Power supply input
  2. GND: Ground reference
  3. MDI: Medium Dependent Interface connection
  4. MDO: Medium Dependent Interface output
  5. AUX: Auxiliary power output
  6. PWRGD: Power good indicator
  7. FLT: Fault indicator
  8. VOUT: Output voltage
  9. CLASS: Power classification input
  10. DETECT: Detection input
  11. REF: Reference voltage output
  12. NC: No connection
  13. NC: No connection
  14. NC: No connection
  15. NC: No connection
  16. NC: No connection

Functional Features

  • IEEE 802.3af/at compliant power sourcing equipment
  • Automatic detection and classification of powered devices
  • Integrated protection features for overcurrent and overtemperature conditions
  • Efficient power management algorithms for optimal power delivery
  • Fault detection and reporting capabilities

Advantages and Disadvantages

Advantages

  • Simplifies implementation of PoE functionality
  • Enables power and data transmission over a single cable
  • Compact design allows for easy integration
  • Supports industry-standard power classification
  • Provides advanced power management features

Disadvantages

  • Limited maximum output current (400mA)
  • Restricted operating temperature range (-40°C to 85°C)

Working Principles

The LTC4267IDHC-3#TRPBF operates by detecting and classifying powered devices connected to the PSE. It uses advanced algorithms to determine the power requirements of each device and adjusts the power delivery accordingly. The integrated protection features ensure safe operation by monitoring for overcurrent and overtemperature conditions.

Detailed Application Field Plans

The LTC4267IDHC-3#TRPBF finds extensive application in various PoE-enabled devices, including:

  1. IP Cameras: Enables power and data transmission to IP cameras, eliminating the need for separate power cables.
  2. Wireless Access Points: Provides power to wireless access points, simplifying installation and reducing clutter.
  3. VoIP Phones: Allows for seamless power and data connectivity in Voice over IP (VoIP) phone systems.
  4. Network Switches: Facilitates power delivery to network switches, enhancing flexibility and scalability.

Detailed and Complete Alternative Models

  1. LTC4267IDHC-2#TRPBF: Similar to LTC4267IDHC-3#TRPBF, but with a maximum output current of 200mA.
  2. LTC4267IDHC-4#TRPBF: Similar to LTC4267IDHC-3#TRPBF, but with a maximum output current of 600mA.
  3. LTC4267IDHC-5#TRPBF: Similar to LTC4267IDHC-3#TRPBF, but with a maximum output current of 800mA.

In conclusion, the LTC4267IDHC-3#TRPBF is an integrated circuit designed for PoE applications. It simplifies power delivery and data transmission over Ethernet cables, making it an essential component in various PoE-enabled devices. With its advanced features and compact design, it offers significant advantages in terms of power management and integration. However, it has limitations in terms of maximum output current and operating temperature range. Nonetheless, it remains a reliable choice for implementing PoE functionality in electronic systems.

Wymień 10 typowych pytań i odpowiedzi związanych z zastosowaniem LTC4267IDHC-3#TRPBF w rozwiązaniach technicznych

Sure! Here are 10 common questions and answers related to the application of LTC4267IDHC-3#TRPBF in technical solutions:

  1. Q: What is LTC4267IDHC-3#TRPBF? A: LTC4267IDHC-3#TRPBF is a specific model of power sourcing equipment (PSE) controller IC used in Power over Ethernet (PoE) applications.

  2. Q: What are the main features of LTC4267IDHC-3#TRPBF? A: Some key features include IEEE 802.3af/at compliant PSE, integrated detection/classification signature, programmable current limit, and thermal shutdown protection.

  3. Q: How does LTC4267IDHC-3#TRPBF work in PoE applications? A: It provides the necessary control and power management functions for a PSE, allowing it to deliver power to connected powered devices (PDs) over Ethernet cables.

  4. Q: Can LTC4267IDHC-3#TRPBF support both 802.3af and 802.3at standards? A: Yes, LTC4267IDHC-3#TRPBF is compatible with both the 802.3af and 802.3at PoE standards.

  5. Q: What is the maximum power that LTC4267IDHC-3#TRPBF can deliver to a PD? A: The maximum power delivery capability depends on the external power supply and system design, but LTC4267IDHC-3#TRPBF can support up to 25.5W per port (802.3at).

  6. Q: Does LTC4267IDHC-3#TRPBF provide any protection features for connected PDs? A: Yes, it offers various protection mechanisms such as overcurrent, overvoltage, and thermal shutdown to safeguard the connected PDs.

  7. Q: Can LTC4267IDHC-3#TRPBF be used in non-PoE applications? A: While it is primarily designed for PoE applications, LTC4267IDHC-3#TRPBF can also be used in other power management systems that require similar functionality.

  8. Q: What is the operating voltage range of LTC4267IDHC-3#TRPBF? A: The operating voltage range is typically between 36V and 57V, which is common in PoE systems.

  9. Q: Does LTC4267IDHC-3#TRPBF support remote power control or monitoring? A: Yes, it provides a digital interface (I2C/SMBus) for remote control and monitoring of the PSE functions.

  10. Q: Are there any evaluation boards or reference designs available for LTC4267IDHC-3#TRPBF? A: Yes, Linear Technology (now part of Analog Devices) provides evaluation boards and reference designs to help with the implementation of LTC4267IDHC-3#TRPBF in various applications.

Please note that the answers provided here are general and may vary depending on specific application requirements and system configurations.