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MAX5988AETP+T
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MAX5988AETP+T

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Power over Ethernet (PoE) Controller
  • Characteristics: High efficiency, compact size, advanced power management features
  • Package: 20-TQFN-EP (4x4)
  • Essence: Provides power and control for PoE applications
  • Packaging/Quantity: Tape & Reel, 2500 units per reel

Specifications

  • Input Voltage Range: 36V to 57V
  • Output Voltage Range: 3.3V to 5.5V
  • Maximum Output Current: 1.7A
  • Operating Temperature Range: -40°C to +85°C
  • Efficiency: Up to 95%
  • Protection Features: Overcurrent, Overvoltage, and Thermal Shutdown

Pin Configuration

The MAX5988AETP+T has a total of 20 pins. The pin configuration is as follows:

  1. VDD_33: Power supply input (3.3V)
  2. VDD_12: Power supply input (12V)
  3. GND: Ground
  4. VDD_5: Power supply input (5V)
  5. VDD_48: Power supply input (48V)
  6. VDD_15: Power supply input (15V)
  7. VDD_25: Power supply input (2.5V)
  8. VDD_18: Power supply input (1.8V)
  9. VDD_13: Power supply input (1.3V)
  10. VDD_33: Power supply input (3.3V)
  11. VDD_33: Power supply input (3.3V)
  12. VDD_33: Power supply input (3.3V)
  13. VDD_33: Power supply input (3.3V)
  14. VDD_33: Power supply input (3.3V)
  15. VDD_33: Power supply input (3.3V)
  16. VDD_33: Power supply input (3.3V)
  17. VDD_33: Power supply input (3.3V)
  18. VDD_33: Power supply input (3.3V)
  19. VDD_33: Power supply input (3.3V)
  20. VDD_33: Power supply input (3.3V)

Functional Features

  • Integrated PoE controller with advanced power management capabilities
  • Supports IEEE 802.3af/at-compliant Powered Devices (PDs)
  • Provides detection, classification, and power delivery for PoE applications
  • Efficient power conversion and regulation for optimal performance
  • Comprehensive protection features ensure safe operation

Advantages and Disadvantages

Advantages: - High efficiency power conversion - Compact size for space-constrained applications - Advanced power management features - Reliable protection mechanisms

Disadvantages: - Limited output current compared to some other PoE controllers - Higher cost compared to non-PoE power management solutions

Working Principles

The MAX5988AETP+T is designed to provide power and control for PoE applications. It integrates a PoE controller that supports IEEE 802.3af/at-compliant Powered Devices (PDs). The device detects and classifies connected PDs, and delivers the appropriate power level accordingly.

The controller efficiently converts the input voltage (36V to 57V) to the desired output voltage (3.3V to 5.5V) while regulating the output current. It incorporates advanced power management features to optimize power delivery and minimize energy loss.

To ensure safe operation, the MAX5988AETP+T includes protection features such as overcurrent, overvoltage, and thermal shutdown. These mechanisms safeguard the device and connected PDs from potential damage or malfunction.

Detailed Application Field Plans

The MAX5988AETP+T is widely used in various PoE applications, including:

  1. IP Cameras: Provides power and control for network cameras, eliminating the need for separate power cables.
  2. Wireless Access Points: Enables power delivery to wireless access points, simplifying installation and reducing cable clutter.
  3. VoIP Phones: Powers Voice over IP (VoIP) phones, allowing for seamless communication without additional power sources.
  4. Network Switches: Facilitates PoE functionality in network switches, enabling power delivery to connected devices.

These are just a few examples of the extensive application field for the MAX5988AETP+T. Its versatility and reliability make it suitable for a wide range of PoE-enabled devices.

Alternative Models

  • MAX5969AETM+: Similar PoE controller with higher output current capability (up to 3.5A).
  • LTC4267IGN#PBF: PoE controller with integrated power management features

Liste 10 perguntas e respostas comuns relacionadas à aplicação de MAX5988AETP+T em soluções técnicas

Sure! Here are 10 common questions and answers related to the application of MAX5988AETP+T in technical solutions:

1. What is the MAX5988AETP+T? The MAX5988AETP+T is a power management IC (PMIC) specifically designed for Power over Ethernet (PoE) applications.

2. What is the maximum input voltage supported by the MAX5988AETP+T? The MAX5988AETP+T can handle an input voltage range from 36V to 57V.

3. What is the maximum output current provided by the MAX5988AETP+T? The MAX5988AETP+T can deliver up to 0.35A of output current.

4. Can the MAX5988AETP+T support both IEEE 802.3af and IEEE 802.3at standards? Yes, the MAX5988AETP+T is compliant with both IEEE 802.3af (PoE) and IEEE 802.3at (PoE+) standards.

5. Does the MAX5988AETP+T have built-in thermal protection? Yes, the MAX5988AETP+T features built-in thermal protection to prevent overheating.

6. Can the MAX5988AETP+T be used in high-power PoE applications? Yes, the MAX5988AETP+T is suitable for high-power PoE applications as it supports the PoE+ standard.

7. Is the MAX5988AETP+T compatible with both 10/100Mbps and Gigabit Ethernet? Yes, the MAX5988AETP+T is compatible with both 10/100Mbps and Gigabit Ethernet.

8. Does the MAX5988AETP+T require any external components for operation? Yes, the MAX5988AETP+T requires a few external components such as input and output capacitors, resistors, and an inductor.

9. Can the MAX5988AETP+T be used in industrial applications? Yes, the MAX5988AETP+T is suitable for industrial applications as it operates over a wide temperature range (-40°C to +85°C).

10. Is there a reference design available for the MAX5988AETP+T? Yes, Maxim Integrated provides a reference design for the MAX5988AETP+T, which can be used as a starting point for implementing PoE solutions.

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