Meixin Integrated
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MAX5961ETM+T
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MAX5961ETM+T

Product Overview

Category

The MAX5961ETM+T belongs to the category of power management integrated circuits (PMICs).

Use

It is used for power over Ethernet (PoE) applications, providing a complete solution for delivering power and data over an Ethernet cable.

Characteristics

  • Integrated PoE controller and DC-DC converter
  • High efficiency and low power dissipation
  • Small package size for space-constrained applications
  • Comprehensive protection features for reliable operation

Package

The MAX5961ETM+T is available in a 48-pin, 7mm x 7mm TQFN package.

Essence

The essence of MAX5961ETM+T lies in its ability to efficiently manage power delivery and data transmission over Ethernet cables in PoE applications.

Packaging/Quantity

The MAX5961ETM+T is typically packaged in reels and available in quantities suitable for production runs.

Specifications

  • Input Voltage Range: 36V to 57V
  • Output Voltage: Programmable from 3.3V to 12V
  • Output Current: Up to 600mA
  • Efficiency: Up to 90%
  • Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The detailed pin configuration of MAX5961ETM+T includes input power pins, output voltage selection pins, control and monitoring pins, and communication interface pins.

Functional Features

  • Integrated PoE controller with IEEE 802.3af/at compliance
  • Programmable output voltage and current limit
  • Comprehensive fault protection including overcurrent, overvoltage, and overtemperature protection
  • I2C interface for configuration and monitoring

Advantages and Disadvantages

Advantages

  • Single-chip solution for PoE applications
  • High efficiency reduces power dissipation
  • Flexible output voltage and current settings
  • Robust protection features enhance system reliability

Disadvantages

  • Limited output current compared to some high-power PoE applications
  • Requires careful PCB layout and thermal management for optimal performance

Working Principles

The MAX5961ETM+T integrates a PoE controller and a DC-DC converter to extract power from the Ethernet cable and provide a regulated output voltage to the connected device. The controller communicates with the Power Sourcing Equipment (PSE) to negotiate power delivery and continuously monitors the system for fault conditions.

Detailed Application Field Plans

The MAX5961ETM+T is well-suited for various PoE applications, including: - IP cameras - Wireless access points - VoIP phones - Network switches - Industrial automation equipment

Detailed and Complete Alternative Models

Some alternative models to MAX5961ETM+T include: - LT4275 - PoE controller with higher output power capability - TPS23754 - PoE controller with integrated DC-DC converter - LTC4267 - PoE controller with extended temperature range

In conclusion, the MAX5961ETM+T offers a compact and efficient solution for PoE applications, providing reliable power delivery and comprehensive protection features. Its integration of PoE controller and DC-DC converter makes it a versatile choice for various powered devices over Ethernet. While it has certain limitations in terms of output current and thermal considerations, its advantages make it a compelling option for many PoE implementations.

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Перелічіть 10 типових запитань і відповідей, пов’язаних із застосуванням MAX5961ETM+T у технічних рішеннях

  1. What is the MAX5961ETM+T?

    • The MAX5961ETM+T is a Power-over-Ethernet (PoE) powered device controller that integrates an IEEE 802.3at-compliant, high-efficiency, isolated DC-DC converter with a PoE interface.

  2. What is the input voltage range of the MAX5961ETM+T?

    • The input voltage range of the MAX5961ETM+T is 36V to 60V.

  3. What is the maximum output power of the MAX5961ETM+T?

    • The MAX5961ETM+T can deliver up to 25.5W of output power.

  4. What are the key features of the MAX5961ETM+T?

    • The key features of the MAX5961ETM+T include integrated 100V MOSFET, thermal and overcurrent protection, and support for both 2-pair and 4-pair PDs.

  5. What applications is the MAX5961ETM+T suitable for?

    • The MAX5961ETM+T is suitable for applications such as IP phones, wireless access points, security cameras, and other PoE-powered devices.

  6. Does the MAX5961ETM+T support Power Sourcing Equipment (PSE) detection?

    • Yes, the MAX5961ETM+T supports PSE detection and classification per IEEE 802.3at.

  7. What is the operating temperature range of the MAX5961ETM+T?

    • The MAX5961ETM+T has an operating temperature range of -40°C to +125°C.

  8. What is the package type of the MAX5961ETM+T?

    • The MAX5961ETM+T is available in a 48-pin, 7mm x 7mm TQFN package.

  9. Does the MAX5961ETM+T require any external components for operation?

    • The MAX5961ETM+T requires minimal external components for operation, making it suitable for compact designs.

  10. Is the MAX5961ETM+T compliant with industry standards?

    • Yes, the MAX5961ETM+T is compliant with IEEE 802.3at and other relevant industry standards for PoE applications.