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MAX5955BUEE+T
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MAX5955BUEE+T

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Power Management
  • Characteristics: High-efficiency, Programmable, Current-Limited Switch
  • Package: 16-TSSOP
  • Essence: Power distribution and control
  • Packaging/Quantity: Tape & Reel (3000 pieces per reel)

Specifications

  • Input Voltage Range: 2.7V to 5.5V
  • Output Voltage Range: 0V to VCC
  • Maximum Continuous Current: 1.5A
  • Quiescent Current: 10µA (typical)
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MAX5955BUEE+T has a total of 16 pins. The pin configuration is as follows:

  1. EN (Enable)
  2. GND (Ground)
  3. IN (Input Voltage)
  4. OUT (Output Voltage)
  5. FB (Feedback)
  6. SS (Soft-Start)
  7. PG (Power Good)
  8. ILIM (Current Limit)
  9. VCC (Supply Voltage)
  10. GND (Ground)
  11. GND (Ground)
  12. GND (Ground)
  13. GND (Ground)
  14. GND (Ground)
  15. GND (Ground)
  16. GND (Ground)

Functional Features

  • High-efficiency power switch with integrated FET
  • Programmable current limit for overload protection
  • Soft-start feature for controlled startup
  • Power good output for system monitoring
  • Thermal shutdown protection
  • Under-voltage lockout (UVLO) protection

Advantages and Disadvantages

Advantages: - High efficiency results in reduced power dissipation - Programmable current limit allows customization for specific applications - Soft-start feature prevents excessive inrush current during startup - Power good output enables system monitoring and fault detection - Thermal shutdown protection prevents damage due to excessive temperature - Under-voltage lockout (UVLO) protection ensures proper operation even at low input voltages

Disadvantages: - Limited maximum continuous current of 1.5A may not be suitable for high-power applications - Restricted input voltage range of 2.7V to 5.5V may limit compatibility with certain systems

Working Principles

The MAX5955BUEE+T is a power management IC that provides efficient power distribution and control. It incorporates a high-efficiency power switch with an integrated FET, allowing it to handle high currents while minimizing power dissipation.

The device features a programmable current limit, which can be set to protect the circuit from overload conditions. This allows customization based on the specific requirements of the application.

During startup, the soft-start feature ensures a controlled increase in output voltage, preventing excessive inrush current that could damage the system or components.

The power good output provides a signal that indicates whether the output voltage is within the desired range. This allows for system monitoring and fault detection.

To prevent overheating, the MAX5955BUEE+T includes thermal shutdown protection, which disables the power switch if the temperature exceeds a specified threshold.

Additionally, the under-voltage lockout (UVLO) protection ensures that the device operates reliably even when the input voltage drops below a certain level.

Detailed Application Field Plans

The MAX5955BUEE+T is suitable for various applications that require power distribution and control. Some potential application fields include:

  1. Industrial Automation: The IC can be used in industrial automation systems to control power supply to different components, ensuring efficient and reliable operation.

  2. Consumer Electronics: It can be employed in consumer electronic devices such as smartphones, tablets, and portable gaming consoles to manage power distribution and protect against overload conditions.

  3. Automotive Electronics: The MAX5955BUEE+T can be utilized in automotive applications to control power supply to various subsystems, ensuring optimal performance and protection against faults.

  4. IoT Devices: It is suitable for Internet of Things (IoT) devices that require efficient power management, such as smart home devices, wearables, and sensor nodes.

Detailed and Complete Alternative Models

  1. MAX5954BUEE+T: Similar to the MAX5955BUEE+T, but with a lower maximum continuous current rating of 1A.
  2. MAX5956BUEE+T: Similar to the MAX5955BUEE+T, but with a higher maximum continuous current rating of 2A.
  3. MAX5957BUEE+T: Similar to the MAX5955BUEE+T, but with additional features like adjustable soft-start time and programmable undervoltage lockout.

These alternative models offer similar functionality with slight variations in specifications, allowing users to choose the most suitable option for their specific requirements.

(Note: The above content

技術ソリューションにおける MAX5955BUEE+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 MAX5955BUEE+T in technical solutions:

  1. Q: What is the MAX5955BUEE+T? A: The MAX5955BUEE+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 MAX5955BUEE+T? A: The MAX5955BUEE+T can deliver up to 13W of power per port, making it suitable for powering various PoE-enabled devices.

  3. Q: Can the MAX5955BUEE+T support IEEE 802.3af/at standards? A: Yes, the MAX5955BUEE+T is compliant with both IEEE 802.3af and IEEE 802.3at standards, allowing it to power devices that adhere to these standards.

  4. Q: How many ports does the MAX5955BUEE+T support? A: The MAX5955BUEE+T supports up to 8 PoE ports, providing power and data connectivity to multiple devices simultaneously.

  5. Q: Does the MAX5955BUEE+T have built-in protection features? A: Yes, the MAX5955BUEE+T incorporates various protection features such as thermal shutdown, overcurrent protection, and under-voltage lockout to ensure safe operation.

  6. Q: Can the MAX5955BUEE+T be used in industrial applications? A: Yes, the MAX5955BUEE+T is designed to operate in industrial temperature ranges (-40°C to +85°C), making it suitable for rugged environments.

  7. Q: What is the input voltage range for the MAX5955BUEE+T? A: The MAX5955BUEE+T operates with an input voltage range of 36V to 57V, which is commonly found in PoE systems.

  8. Q: Does the MAX5955BUEE+T support power management features? A: Yes, the MAX5955BUEE+T offers advanced power management capabilities such as power-good indicators, programmable current limit, and power sequencing options.

  9. Q: Can the MAX5955BUEE+T be used in conjunction with other PoE devices? A: Yes, the MAX5955BUEE+T can be integrated into PoE systems alongside other compatible devices such as PoE switches, injectors, and powered devices.

  10. Q: Is there any evaluation kit available for the MAX5955BUEE+T? A: Yes, Maxim Integrated provides an evaluation kit (MAX5955EVKIT) that allows users to test and evaluate the performance of the MAX5955BUEE+T in their specific applications.

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