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LTC4270BIUKG#TRPBF

Name: LTC4270BIUKG#TRPBF
Rating: 4.7 (12 reviews)

IC POE CNTRL 12 CHANNEL 52QFN

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規格

Part Status	Active
Type	Controller (PSE)
Number of Channels	12
Power - Max	25.5 W
Internal Switch(s)	No
Auxiliary Sense	No
Standards	802.3at (PoE+), 802.3af (PoE), LTPoE++
Voltage - Supply	45V ~ 57V
Current - Supply	9mA
Operating Temperature	-40°C ~ 85°C
Mounting Type	Surface Mount
Package / Case	52-WFQFN Exposed Pad
Supplier Device Package	52-QFN (7x8)
Base Product Number	LTC4270

概述

Description

The LTC4270BIUKG#TRPBF is a Power over Ethernet (PoE) controller from Analog Devices (formerly Linear Technology). It is designed for high-power applications, enabling the delivery of power and data over Ethernet cables. This chip supports both IEEE 802.3af and 802.3at standards, allowing it to power devices such as IP cameras, VoIP phones, and wireless access points.
Key features include integrated power management, the ability to handle up to 30W of power, and built-in protection against various faults, such as overcurrent and overtemperature conditions. It also offers flexible configuration options for ease of integration into existing designs.
The LTC4270 facilitates seamless communication between powered devices (PDs) and power sourcing equipment (PSE), ensuring efficient power delivery. Available in a compact package, it is suitable for applications where space is a constraint. Overall, it is an effective solution for implementing PoE in modern networking environments.

Features

The LTC4270BIUKG#TRPBF is a Power over Ethernet (PoE) powered device (PD) controller designed for use in PoE applications. Key features include:
1. Power Classification: Supports IEEE 802.3at (Type 2) with up to 30W output power.
2. Integrated Switch: Contains an integrated power switch for efficient management of power delivery.
3. Voltage Range: Operates over a wide input voltage range (36V to 57V).
4. Fault Protection: Provides overvoltage, overcurrent, and thermal protection to ensure safe operation.
5. Programmable Fault Recovery: Allows customizable fault recovery options.
6. Low Standby Power: Designed for low power consumption during standby mode.
7. Simple Interface: Features simple pin configuration for easy integration into designs.
This device is ideal for applications such as IP cameras, VoIP phones, and other networked equipment requiring PoE solutions.

Package

The LTC4270BIUKG#TRPBF is packaged in a 28-lead TSSOP (Thin Shrink Small Outline Package) format.

Pinout

The LTC4270BIUKG#TRPBF is a Power over Ethernet (PoE) controller with a pin count of 28. It is designed to manage the power delivery for PoE applications, enabling devices to receive power and data over the same Ethernet cable.
Key functions include:
- Power Management: It supports both IEEE 802.3af and 802.3at standards, allowing it to deliver up to 30W of power.
- Detection and Classification: The device can detect powered devices (PD) and classify them to ensure proper power allocation.
- Power Control: It manages power delivery and operates in a safe and efficient manner.
- Interface Features: Includes various pins for interfacing with external components, including enabling/disabling power, status indicators, and fault protection.
Overall, the LTC4270BIUKG#TRPBF enhances the efficiency and reliability of PoE systems.

Manufacturer

The LTC4270BIUKG#TRPBF is manufactured by Analog Devices, Inc. Analog Devices is a global semiconductor company specializing in high-performance analog, mixed-signal, and digital signal processing (DSP) integrated circuits. Founded in 1965, the company designs and manufactures a broad range of products used in various applications, including communications, automotive, industrial, healthcare, and consumer electronics. The LTC4270 is specifically a Power over Ethernet (PoE) controller, used in devices to manage power delivery over Ethernet cables. Analog Devices is known for its innovation and engineering expertise in the field of electronic components.

Application

The LTC4270BIUKG#TRPBF is a Power over Ethernet (PoE) controller used in applications such as IP cameras, VoIP phones, wireless access points, and other network devices. It enables power sourcing equipment to deliver power along with data over Ethernet cables, facilitating simpler installations and reducing the need for separate power sources. Its features support both PoE and PoE+ standards, making it suitable for various networked equipment in commercial and industrial settings.

Equivalent

The LTC4270BIUKG#TRPBF is a Power over Ethernet (PoE) controller. Equivalent products include the Microchip MCP8025, Texas Instruments TPS23753, and ON Semiconductor NCP81074. These alternatives provide similar functionality for PoE applications. Always verify specifications and compatibility for your specific use case.