LTC4267CGN

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LTC4267CGN

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仕様

属性
Brand Analog Devices
Subcategory Switch ICs
Package / Case SSOP-16
Mounting Type SMD/SMT
Product Type Power Switch ICs - POE / LAN
Series LTC4267
Shipping Restrictions Mouser does not presently sell this product in your region.
Type Powered Device - PD
Standard 802.3af

概要

Description

The LTC4267CGN is a Power over Ethernet (PoE) controller designed by Analog Devices, primarily for powering network devices such as IP cameras, VoIP phones, and wireless access points. It adheres to IEEE 802.3af/at standards, allowing it to deliver up to 30W of power over Ethernet cables.
Key features include:
- Detection and Classification: Automatically detects PoE devices and classifies them to determine power requirements.
- Power Management: Integrates a power management system that ensures efficient power delivery and minimizes losses.
- Fault Protection: Includes protection features to safeguard against overcurrent and overvoltage conditions.
- Flexible Design: Can be used in applications requiring both powered devices (PD) and power sourcing equipment (PSE).
The LTC4267CGN is ideal for designers looking to implement reliable PoE solutions while ensuring compliance with industry standards. Its compact design and robust performance make it suitable for various networking applications.

Equivalent

The LTC4267CGN is a Power over Ethernet (PoE) controller. Equivalent products include the Texas Instruments TPS23753, Microchip MCP8025, and Analog Devices ADM1498. These alternatives provide similar PoE functionalities, including detection, classification, and power management, suitable for various PoE applications. Always verify specific features and requirements for your application.

Features

The LTC4267CGN is a Power over Ethernet (PoE) powered device (PD) controller designed for efficient power management in Ethernet applications. Key features include:
1. IEEE 802.3af/at Compliance: Supports both PoE standards, allowing for operation with various PoE sources.
2. Integrated Power Management: Efficiently manages power delivery and reduces power loss.
3. High Voltage Operation: Operates over a wide voltage range (up to 57V), accommodating multiple PoE applications.
4. Smart Load Detection: Automatically detects and powers down unused loads to enhance energy efficiency.
5. Flexible Configuration: Supports both midspan and endpoint configurations, simplifying design integration.
6. Integrated Fault Protection: Features over-voltage, under-voltage, and thermal protection for enhanced reliability.
7. Compact Size: Offered in a 28-lead TSSOP package, making it suitable for space-constrained designs.
8. Programmable Current Limit: Allows customization of power output to suit specific device requirements.
These features make the LTC4267CGN ideal for applications in IP cameras, VoIP phones, and wireless access points.

Pinout

The LTC4267CGN is a Power over Ethernet (PoE) powered device controller with a total of 16 pins. Its main functions include:
1. PoE Power Management: It manages the power delivery from the Ethernet cable.
2. Class Detection: It identifies the power classification of the PoE source.
3. Load Control: It provides control for the load based on the detected power class.
4. Power Good Indicator: It signals when the power is within acceptable limits.
5. Fault Protection: It includes features for overcurrent and thermal shutdown protection.
This IC is designed for use in PoE applications, enabling devices to be powered through their data connections while ensuring safety and efficiency.

Manufacturer

The LTC4267CGN is manufactured by Analog Devices, Inc. Analog Devices is a multinational semiconductor company headquartered in Norwood, Massachusetts. It specializes in the design and manufacturing of analog, mixed-signal, and digital signal processing (DSP) integrated circuits. The company serves various industries, including automotive, communications, consumer electronics, healthcare, and industrial automation.
Analog Devices is known for its high-performance analog and mixed-signal technology, which is essential for converting real-world signals into digital data. Their product portfolio includes amplifiers, converters, sensors, and power management solutions, among others. The LTC4267, specifically, is a Power over Ethernet (PoE) controller that facilitates the delivery of electrical power along with data to network devices over standard Ethernet cables.
As a prominent player in the semiconductor industry, Analog Devices focuses on innovation and quality, providing reliable solutions that enable advanced electronic systems in diverse applications.

Application

The LTC4267CGN is a Power over Ethernet (PoE) powered device controller designed for applications such as VoIP phones, IP cameras, wireless access points, and network switches. It enables the safe and efficient delivery of power and data over standard Ethernet cabling, supporting both IEEE 802.3af and 802.3at PoE standards. Additionally, it can be used in industrial automation, building automation systems, and smart lighting, providing a flexible solution for powering networked devices in various commercial and industrial environments. Its features include fault protection, digital control, and support for system monitoring.

Package

The LTC4267CGN is packaged in a 28-lead TSSOP (Thin Shrink Small Outline Package) format, which is designed for surface mounting. This package type features a small footprint, making it suitable for applications where space is constrained.

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