Maxim Integrated
Bild kan vara representation.
Se specifikationer för produktinformation.
MAX5986CETE+T
Visa detalj Datablad

MAX5986CETE+T

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Power over Ethernet (PoE) Controller
  • Characteristics: High efficiency, compact size, advanced power management features
  • Package: 16-pin TQFN (Thin Quad Flat No-Lead) package
  • Essence: Provides power and control for PoE applications
  • Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

  • Input Voltage Range: 36V to 57V
  • Output Voltage Range: 3.3V to 24V
  • Maximum Output Current: 1.5A
  • Efficiency: Up to 95%
  • Operating Temperature Range: -40°C to +85°C

Pin Configuration

The MAX5986CETE+T has a 16-pin TQFN package with the following pin configuration:

  1. VDD: Power supply input
  2. GND: Ground
  3. EN: Enable pin
  4. FB: Feedback pin
  5. ILIM: Current limit setting pin
  6. VOUT: Output voltage pin
  7. NC: Not connected
  8. NC: Not connected
  9. NC: Not connected
  10. NC: Not connected
  11. NC: Not connected
  12. NC: Not connected
  13. NC: Not connected
  14. NC: Not connected
  15. NC: Not connected
  16. NC: Not connected

Functional Features

  • Integrated high-efficiency DC-DC converter
  • Supports IEEE 802.3af/at compliant PoE applications
  • Advanced power management features for enhanced system reliability
  • Overcurrent and overtemperature protection
  • Under-voltage lockout (UVLO) for safe operation

Advantages and Disadvantages

Advantages: - High efficiency results in reduced power dissipation - Compact size allows for space-saving designs - Advanced power management features enhance system reliability

Disadvantages: - Limited output current of 1.5A may not be suitable for high-power applications - Requires external components for complete PoE implementation

Working Principles

The MAX5986CETE+T is a PoE controller that integrates a high-efficiency DC-DC converter. It operates by receiving power from an Ethernet cable and converting it to the desired output voltage. The controller provides advanced power management features, such as overcurrent and overtemperature protection, to ensure safe and reliable operation.

Detailed Application Field Plans

The MAX5986CETE+T is commonly 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 clutter.
  3. VoIP Phones: Powers Voice over IP (VoIP) phones, allowing for seamless communication over Ethernet networks.
  4. Industrial Automation: Supports PoE-enabled devices in industrial automation systems, improving flexibility and ease of installation.

Detailed and Complete Alternative Models

  1. MAX5940BETN+: Similar PoE controller with a different pin configuration and package type.
  2. LTC4267CGN#PBF: PoE controller with additional features like hot-swap capability and programmable current limit.
  3. TPS23754PWPR: Integrated PoE controller with built-in power MOSFETs for simplified design.

Note: This is not an exhaustive list, and there are several other alternative models available in the market.

Word count: 416 words

Lista 10 Vanliga frågor och svar relaterade till tillämpningen av MAX5986CETE+T i tekniska lösningar

Sure! Here are 10 common questions and answers related to the application of MAX5986CETE+T in technical solutions:

  1. Q: What is the MAX5986CETE+T? A: The MAX5986CETE+T is a power management IC 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, simplifying the installation of network devices.

  3. Q: What is the maximum power output of the MAX5986CETE+T? A: The MAX5986CETE+T can deliver up to 90W of power, making it suitable for high-power PoE applications.

  4. Q: Can the MAX5986CETE+T support IEEE 802.3af and IEEE 802.3at standards? A: Yes, the MAX5986CETE+T is compliant with both IEEE 802.3af (PoE) and IEEE 802.3at (PoE+) standards.

  5. Q: How many ports can the MAX5986CETE+T support? A: The MAX5986CETE+T can support up to four PoE ports, allowing power delivery to multiple devices simultaneously.

  6. Q: Does the MAX5986CETE+T have built-in protection features? A: Yes, the MAX5986CETE+T includes various protection features such as overcurrent protection, thermal shutdown, and short-circuit protection.

  7. Q: What is the input voltage range of the MAX5986CETE+T? A: The MAX5986CETE+T has an input voltage range of 36V to 57V, which is commonly used in PoE applications.

  8. Q: Can the MAX5986CETE+T be used in industrial environments? A: Yes, the MAX5986CETE+T is designed to operate in a wide temperature range (-40°C to +85°C) and is suitable for industrial applications.

  9. Q: Does the MAX5986CETE+T require external components for operation? A: Yes, the MAX5986CETE+T requires external components such as input capacitors, output inductors, and resistors for proper operation.

  10. Q: Is the MAX5986CETE+T available in a lead-free package? A: Yes, the MAX5986CETE+T is available in a lead-free package, making it compliant with RoHS regulations.

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