Veja as especificações para detalhes do produto.
LTC4252A-1CMS#PBF
Product Overview
Category
LTC4252A-1CMS#PBF belongs to the category of power management integrated circuits (PMICs).
Use
This product is primarily used for power sourcing equipment (PSE) applications in Power over Ethernet (PoE) systems.
Characteristics
- Supports IEEE 802.3af-compliant PoE applications.
- Provides a complete solution for PSE implementation.
- Offers advanced power management features.
- Operates with high efficiency and low power dissipation.
- Designed to meet stringent safety requirements.
Package
LTC4252A-1CMS#PBF is available in a compact MSOP-10 package, which ensures space-saving integration into various electronic devices.
Essence
The essence of LTC4252A-1CMS#PBF lies in its ability to efficiently manage power delivery in PoE systems, ensuring reliable operation of connected devices.
Packaging/Quantity
This product is typically packaged in reels or tubes, containing a specified quantity of units per package.
Specifications
- Input Voltage Range: 36V to 57V
- Output Voltage Range: 44V to 57V
- Maximum Output Current: 400mA
- Operating Temperature Range: -40°C to 85°C
- Power Dissipation: 1.5W (max)
Detailed Pin Configuration
- VDD: Power supply input
- GND: Ground reference
- VOUT: Output voltage
- VEE: Negative supply voltage
- NC: No connection
- NC: No connection
- NC: No connection
- NC: No connection
- NC: No connection
- NC: No connection
Functional Features
- Integrated detection and classification functions for PoE applications.
- Programmable current limit and power management features.
- Supports various power-down modes for energy-saving operation.
- Provides fault protection and reporting mechanisms.
- Offers flexible control options through external resistors.
Advantages and Disadvantages
Advantages
- Efficient power management for PoE systems.
- Compact package for space-constrained applications.
- Compliance with IEEE 802.3af standards.
- Advanced power management features.
- Robust fault protection mechanisms.
Disadvantages
- Limited maximum output current (400mA).
- Restricted operating temperature range (-40°C to 85°C).
Working Principles
LTC4252A-1CMS#PBF operates by receiving power from an external source and efficiently delivering it to connected devices in a PoE system. It incorporates detection and classification functions to identify powered devices and allocate appropriate power levels. The integrated power management features allow for programmable current limits, power-down modes, and fault protection mechanisms.
Detailed Application Field Plans
LTC4252A-1CMS#PBF finds extensive application in various PoE-enabled devices, including: - IP cameras - Wireless access points - VoIP phones - Network switches - Industrial automation equipment
Detailed and Complete Alternative Models
- LTC4267-1IMS#PBF: Similar functionality with enhanced power delivery capabilities.
- LTC4274A-1IMS#TRPBF: Higher output current capacity with additional diagnostic features.
- LTC4259A-1IMS#PBF: Integrated hot-swap controller with PoE support.
These alternative models offer similar functionalities to LTC4252A-1CMS#PBF while providing specific enhancements or additional features tailored to different application requirements.
In conclusion, LTC4252A-1CMS#PBF is a power management integrated circuit designed for PoE applications. Its compact size, advanced power management features, and compliance with industry standards make it a reliable choice for various PoE-enabled devices.
Liste 10 perguntas e respostas comuns relacionadas à aplicação de LTC4252A-1CMS#PBF em soluções técnicas
Sure! Here are 10 common questions and answers related to the application of LTC4252A-1CMS#PBF in technical solutions:
Q1: What is LTC4252A-1CMS#PBF? A1: LTC4252A-1CMS#PBF is a specific model of power sourcing equipment (PSE) controller IC used for Power over Ethernet (PoE) applications.
Q2: What is the purpose of LTC4252A-1CMS#PBF? A2: The purpose of LTC4252A-1CMS#PBF is to provide power and control signals to powered devices (PDs) over an Ethernet cable, enabling the transmission of both data and power.
Q3: What are the key features of LTC4252A-1CMS#PBF? A3: Some key features of LTC4252A-1CMS#PBF include IEEE 802.3af compliance, support for both 10/100Mbps Ethernet, integrated detection and classification, and programmable current limit.
Q4: How does LTC4252A-1CMS#PBF detect and classify powered devices? A4: LTC4252A-1CMS#PBF uses a proprietary detection algorithm to identify if a connected device is PoE-compatible. It then classifies the device based on its power requirements.
Q5: Can LTC4252A-1CMS#PBF be used with both 10Mbps and 100Mbps Ethernet connections? A5: Yes, LTC4252A-1CMS#PBF supports both 10Mbps and 100Mbps Ethernet connections, making it versatile for various network setups.
Q6: Is LTC4252A-1CMS#PBF compliant with the IEEE 802.3af standard? A6: Yes, LTC4252A-1CMS#PBF is fully compliant with the IEEE 802.3af standard for Power over Ethernet.
Q7: Can LTC4252A-1CMS#PBF limit the current supplied to powered devices? A7: Yes, LTC4252A-1CMS#PBF has a programmable current limit feature that allows you to set the maximum amount of power delivered to connected devices.
Q8: What are the typical applications of LTC4252A-1CMS#PBF? A8: LTC4252A-1CMS#PBF is commonly used in applications such as IP cameras, wireless access points, VoIP phones, and other networked devices that require both data and power over Ethernet.
Q9: Does LTC4252A-1CMS#PBF require any external components for operation? A9: Yes, LTC4252A-1CMS#PBF requires some external components such as resistors, capacitors, and transformers to function properly in a PoE system.
Q10: Is LTC4252A-1CMS#PBF available in different package options? A10: Yes, LTC4252A-1CMS#PBF is available in a small MSOP-10 package, which makes it suitable for space-constrained applications.
Please note that these answers are general and may vary depending on the specific implementation and requirements of your technical solution.