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MAX5988DETP+T
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MAX5988DETP+T

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Power over Ethernet (PoE) Controller
  • Characteristics:
    • High efficiency
    • Small package size
    • Low power consumption
  • Package: TQFN-EP (5mm x 5mm)
  • Essence: MAX5988DETP+T is a PoE controller that enables the delivery of power and data over a single Ethernet cable.
  • Packaging/Quantity: Available in tape and reel packaging, with a quantity of 2500 units per reel.

Specifications

  • Input Voltage Range: 36V to 57V
  • Output Voltage Range: 3.3V to 12V
  • Maximum Output Current: 650mA
  • Operating Temperature Range: -40°C to +85°C
  • Power Dissipation: 1.2W

Pin Configuration

The MAX5988DETP+T has a total of 20 pins. The pin configuration is as follows:

  1. VDD
  2. GND
  3. VDDP
  4. VDDA
  5. VDDC
  6. VDDH
  7. VDDI
  8. VDDO
  9. VDDM
  10. VDDN
  11. VDDF
  12. VDDG
  13. VDDJ
  14. VDDK
  15. VDDL
  16. VDDQ
  17. VDDT
  18. VDDU
  19. VDDV
  20. VDDW

Functional Features

  • Supports IEEE 802.3af/at compliant devices
  • Provides detection and classification of powered devices
  • Implements various protection mechanisms for safe operation
  • Offers adjustable current limit and thermal shutdown features
  • Enables efficient power transfer through integrated switching regulator

Advantages and Disadvantages

Advantages: - High efficiency leads to reduced power consumption - Small package size allows for space-saving designs - Supports a wide range of input and output voltages - Provides comprehensive protection features for reliable operation

Disadvantages: - Limited maximum output current may not be suitable for high-power applications - Operating temperature range may restrict usage in extreme environments

Working Principles

The MAX5988DETP+T operates by converting the input voltage from the Ethernet cable into a regulated output voltage. It utilizes a switching regulator to efficiently transfer power while maintaining high levels of efficiency. The controller also incorporates various protection mechanisms to ensure safe operation, such as overcurrent and thermal shutdown.

Detailed Application Field Plans

The MAX5988DETP+T is commonly used in various Power over Ethernet applications, including:

  1. IP Cameras: Enables the delivery of power and data to network cameras, eliminating the need for separate power cables.
  2. Wireless Access Points: Powers and connects wireless access points to the network infrastructure, simplifying installation.
  3. VoIP Phones: Provides power to Voice over IP phones, reducing clutter and enabling flexible placement.
  4. Network Switches: Facilitates the integration of PoE functionality into network switches, allowing for centralized power management.

Alternative Models

  1. MAX5974BETI+: Similar PoE controller with higher maximum output current (up to 1.5A).
  2. LTC4267CGN#PBF: PoE controller with extended operating temperature range (-40°C to +125°C).
  3. TPS23861PWR: Integrated PoE controller with advanced power management features.

These alternative models offer similar functionality to the MAX5988DETP+T and can be considered based on specific application requirements.

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技術ソリューションにおける MAX5988DETP+T の適用に関連する 10 件の一般的な質問と回答をリストします。

Sure! Here are 10 common questions and answers related to the application of MAX5988DETP+T in technical solutions:

  1. Q: What is the MAX5988DETP+T? A: The MAX5988DETP+T is a power management IC (PMIC) designed for Power over Ethernet (PoE) applications.

  2. Q: What is Power over Ethernet (PoE)? A: PoE is a technology that allows both power and data to be transmitted over a single Ethernet cable, eliminating the need for separate power cables.

  3. Q: What are the key features of the MAX5988DETP+T? A: The MAX5988DETP+T features integrated power MOSFETs, advanced power management capabilities, and support for various PoE standards such as IEEE 802.3af and IEEE 802.3at.

  4. Q: What is the maximum power output of the MAX5988DETP+T? A: The MAX5988DETP+T can deliver up to 25.5W of power to connected devices.

  5. Q: Can the MAX5988DETP+T be used in both PoE and non-PoE applications? A: Yes, the MAX5988DETP+T can be used in both PoE and non-PoE applications, providing flexibility in design.

  6. Q: What is the input voltage range supported by the MAX5988DETP+T? A: The MAX5988DETP+T supports an input voltage range of 36V to 57V.

  7. Q: Does the MAX5988DETP+T provide protection features for connected devices? A: Yes, the MAX5988DETP+T offers various protection features such as overcurrent protection, thermal shutdown, and short-circuit protection.

  8. Q: Can the MAX5988DETP+T be used in high-power PoE applications? A: Yes, the MAX5988DETP+T is designed to handle high-power PoE applications, making it suitable for devices requiring more than 15.4W of power.

  9. Q: What are the typical applications of the MAX5988DETP+T? A: The MAX5988DETP+T is commonly used in IP phones, wireless access points, security cameras, and other networked devices that require both power and data connectivity.

  10. Q: Is the MAX5988DETP+T available in different package options? A: Yes, the MAX5988DETP+T is available in a compact 20-pin TQFN package, which makes it suitable for space-constrained designs.

Please note that these answers are general and may vary depending on specific design requirements and application scenarios.