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MAX5969AETB+T
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MAX5969AETB+T

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Power Management
  • Characteristics: High-efficiency, Low-power consumption
  • Package: TDFN-10
  • Essence: Power-over-Ethernet (PoE) Controller
  • Packaging/Quantity: Tape & Reel, 2500 units per reel

Specifications

  • Input Voltage Range: 36V to 57V
  • Output Voltage Range: 3.3V to 5V
  • Maximum Output Current: 600mA
  • Efficiency: Up to 90%
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MAX5969AETB+T has the following pin configuration:

  1. VDD: Power supply input
  2. GND: Ground reference
  3. EN: Enable pin for controlling the device operation
  4. FB: Feedback pin for voltage regulation
  5. VOUT: Output voltage pin
  6. VOUT: Output voltage pin
  7. VOUT: Output voltage pin
  8. VOUT: Output voltage pin
  9. VOUT: Output voltage pin
  10. VOUT: Output voltage pin

Functional Features

  • Power-over-Ethernet (PoE) controller for low-power applications
  • Supports IEEE 802.3af/at standards
  • Integrated DC-DC converter for efficient power delivery
  • Overcurrent and overvoltage protection
  • Thermal shutdown protection
  • Adjustable output voltage through external resistors

Advantages and Disadvantages

Advantages: - High efficiency results in lower power consumption - Compact package size allows for space-saving designs - Compliance with industry standards ensures compatibility - Built-in protection features enhance system reliability

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

Working Principles

The MAX5969AETB+T is a Power-over-Ethernet (PoE) controller that enables the delivery of power over Ethernet cables. It integrates a DC-DC converter that efficiently converts the input voltage from the Ethernet cable to a regulated output voltage. The device supports IEEE 802.3af/at standards, ensuring compatibility with PoE-enabled devices.

The controller monitors the input voltage and current to provide overcurrent and overvoltage protection. In case of excessive load or voltage spikes, the device shuts down to prevent damage. The output voltage can be adjusted through external resistors, allowing flexibility in different applications.

Detailed Application Field Plans

The MAX5969AETB+T is commonly used in various low-power applications that require Power-over-Ethernet functionality. Some potential application fields include:

  1. IP Cameras: Enables power supply and data transmission over a single Ethernet cable, simplifying installation and reducing wiring complexity.
  2. Wireless Access Points: Provides power to wireless networking devices, eliminating the need for separate power cables and enabling flexible placement.
  3. VoIP Phones: Allows for power delivery to Voice over IP phones, enabling seamless communication without the need for additional power adapters.
  4. IoT Devices: Supports power requirements of Internet of Things devices, facilitating easy deployment and connectivity.

Detailed and Complete Alternative Models

  1. MAX5969BETB+T: Similar to MAX5969AETB+T, but with a different pin configuration.
  2. MAX5970AETB+T: Higher output current capability (up to 1A) compared to MAX5969AETB+T.
  3. MAX5971AETB+T: Integrated PoE controller with additional features such as thermal shutdown and adjustable current limit.

These alternative models offer similar functionality and can be considered based on specific application requirements.

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Wymień 10 typowych pytań i odpowiedzi związanych z zastosowaniem MAX5969AETB+T w rozwiązaniach technicznych

Sure! Here are 10 common questions and answers related to the application of MAX5969AETB+T in technical solutions:

  1. Q: What is the MAX5969AETB+T? A: The MAX5969AETB+T is a power-over-Ethernet (PoE) controller designed for use in network devices that require power delivery over Ethernet cables.

  2. Q: What is the maximum power output of the MAX5969AETB+T? A: The MAX5969AETB+T can deliver up to 25.5W of power per port, compliant with the IEEE 802.3at standard.

  3. Q: Can the MAX5969AETB+T be used in both PoE and PoE+ applications? A: Yes, the MAX5969AETB+T supports both PoE (IEEE 802.3af) and PoE+ (IEEE 802.3at) standards, making it suitable for various applications.

  4. Q: How many ports can the MAX5969AETB+T support? A: The MAX5969AETB+T can support up to 8 ports, each capable of delivering power to a connected device.

  5. Q: Does the MAX5969AETB+T provide any protection features? A: Yes, the MAX5969AETB+T offers comprehensive protection features such as overcurrent protection, thermal shutdown, and under-voltage lockout.

  6. Q: Can the MAX5969AETB+T be used in industrial applications? A: Yes, the MAX5969AETB+T is designed to operate in a wide temperature range (-40°C to +85°C), making it suitable for industrial environments.

  7. Q: Does the MAX5969AETB+T require any external components? A: Yes, the MAX5969AETB+T requires external MOSFETs, transformers, and passive components to complete the PoE power supply circuit.

  8. Q: Can the MAX5969AETB+T be used with both 10/100Mbps and Gigabit Ethernet devices? A: Yes, the MAX5969AETB+T is compatible with both 10/100Mbps and Gigabit Ethernet devices, providing power over standard Ethernet cables.

  9. Q: Is the MAX5969AETB+T suitable for low-power devices? A: Yes, the MAX5969AETB+T supports a wide range of power requirements, making it suitable for both high-power and low-power devices.

  10. Q: Are there any evaluation kits available for the MAX5969AETB+T? A: Yes, Maxim Integrated offers an evaluation kit (MAX5969EVKIT#) that allows users to test and evaluate the performance of the MAX5969AETB+T in their applications.

Please note that these answers are general and may vary depending on specific application requirements. It's always recommended to refer to the datasheet and consult with the manufacturer for detailed information.