Consulte las especificaciones para obtener detalles del producto.
LTC4270AIUKG
Product Overview
Category
The LTC4270AIUKG belongs to the category of integrated circuits (ICs) used in power management applications.
Use
This product is primarily used for Power over Ethernet (PoE) applications, where it enables the delivery of power and data over a single Ethernet cable.
Characteristics
- Integrated circuit designed for PoE applications
- Supports both IEEE 802.3af and IEEE 802.3at standards
- Provides power sourcing equipment (PSE) functionality
- Enables efficient power transfer over Ethernet cables
- Offers advanced features for enhanced system performance
Package
The LTC4270AIUKG is available in a compact and industry-standard 32-lead QFN (Quad Flat No-Lead) package.
Essence
The essence of the LTC4270AIUKG lies in its ability to facilitate the seamless integration of power and data transmission over Ethernet cables, simplifying PoE implementations.
Packaging/Quantity
This product is typically supplied in tape and reel packaging, with a quantity of 250 units per reel.
Specifications
- Input Voltage Range: 36V to 57V
- Output Voltage Range: 2.7V to 14V
- Maximum Output Current: 600mA
- Operating Temperature Range: -40°C to 85°C
- Power Dissipation: 1.5W (typical)
Detailed Pin Configuration
The LTC4270AIUKG features a total of 32 pins, each serving a specific function. The detailed pin configuration is as follows:
- VDD: Power supply input
- GND: Ground reference
- MDI: Media Dependent Interface input
- MDO: Media Dependent Interface output
- TXEN: Transmit Enable
- RXDV: Receive Data Valid
- RXD: Receive Data
- TXD: Transmit Data
- AUX1: Auxiliary control signal 1
- AUX2: Auxiliary control signal 2
- AUX3: Auxiliary control signal 3
- AUX4: Auxiliary control signal 4
- AUX5: Auxiliary control signal 5
- AUX6: Auxiliary control signal 6
- AUX7: Auxiliary control signal 7
- AUX8: Auxiliary control signal 8
- AUX9: Auxiliary control signal 9
- AUX10: Auxiliary control signal 10
- AUX11: Auxiliary control signal 11
- AUX12: Auxiliary control signal 12
- AUX13: Auxiliary control signal 13
- AUX14: Auxiliary control signal 14
- AUX15: Auxiliary control signal 15
- AUX16: Auxiliary control signal 16
- VOUT: Output voltage
- VREF: Reference voltage
- VSENSE: Current sense input
- PGOOD: Power Good output
- INTVCC: Internal voltage supply
- NC: No connection
- NC: No connection
- NC: No connection
Functional Features
The LTC4270AIUKG offers several functional features that enhance its performance and usability in PoE applications:
- Integrated detection and classification circuitry for IEEE 802.3af/at compliance
- Automatic detection of powered devices (PDs) and negotiation of power requirements
- Programmable current limit and fault protection mechanisms
- Efficient power transfer with low power dissipation
- Robust ESD protection for reliable operation
Advantages and Disadvantages
Advantages
- Simplifies PoE implementations by integrating power and data transmission functionality
- Supports both IEEE 802.3af and IEEE 802.3at standards, ensuring compatibility with a wide range of devices
- Offers advanced features for enhanced system performance and reliability
- Compact package size allows for space-efficient designs
Disadvantages
- Limited maximum output current (600mA) may not be suitable for high-power applications
- Operating temperature range (-40°C to 85°C) may restrict usage in extreme environments
Working Principles
The LTC4270AIUKG operates based on the principles of Power over Ethernet. It utilizes the Ethernet cable to deliver both power and data to connected devices. The integrated circuit acts as a power sourcing equipment (PSE), providing power to compatible powered devices (PDs). It incorporates detection and classification circuitry to identify PDs and negotiate power requirements. The LTC4270AIUKG ensures efficient power transfer while maintaining compliance with IEEE 802.3af/at standards.
Detailed Application Field Plans
The LTC4270AIUKG finds extensive application in various fields, including:
- IP Cameras: Enables the deployment of PoE-powered IP cameras, eliminating the need for separate power cables.
- Wireless Access Points: Facilitates
Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de LTC4270AIUKG en soluciones técnicas
Sure! Here are 10 common questions and answers related to the application of LTC4270AIUKG:
Q: What is LTC4270AIUKG? A: LTC4270AIUKG is a Power over Ethernet (PoE) controller designed for use in technical solutions.
Q: What is the maximum power that LTC4270AIUKG can deliver? A: LTC4270AIUKG can deliver up to 25.5W of power to connected devices.
Q: Can LTC4270AIUKG be used with both IEEE 802.3af and IEEE 802.3at compliant devices? A: Yes, LTC4270AIUKG is compatible with both IEEE 802.3af and IEEE 802.3at standards.
Q: How many PoE ports can be controlled by LTC4270AIUKG? A: LTC4270AIUKG can control up to 8 PoE ports simultaneously.
Q: Does LTC4270AIUKG support power management features? A: Yes, LTC4270AIUKG supports advanced power management features such as prioritization and scheduling.
Q: Can LTC4270AIUKG provide power to non-PoE devices? A: Yes, LTC4270AIUKG can provide power to non-PoE devices using its auxiliary power outputs.
Q: Is LTC4270AIUKG suitable for outdoor applications? A: Yes, LTC4270AIUKG is designed to operate in a wide temperature range and is suitable for outdoor applications.
Q: Can LTC4270AIUKG detect and protect against short circuits or overloads? A: Yes, LTC4270AIUKG has built-in short circuit and overload protection mechanisms.
Q: Does LTC4270AIUKG support remote power management and monitoring? A: Yes, LTC4270AIUKG supports remote power management and monitoring through its I2C interface.
Q: What is the input voltage range for LTC4270AIUKG? A: LTC4270AIUKG operates from an input voltage range of 36V to 57V.
Please note that these answers are general and may vary depending on the specific implementation and configuration of LTC4270AIUKG in a technical solution.