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LT4275BHMS#TRPBF
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LT4275BHMS#TRPBF

Product Overview

Category

The LT4275BHMS#TRPBF belongs to the category of integrated circuits (ICs).

Use

This product is commonly used in power sourcing equipment (PSE) applications.

Characteristics

  • The LT4275BHMS#TRPBF is a high-power, single-port PoE++ PSE controller.
  • It supports up to 90W of power delivery.
  • This IC is designed for use in Ethernet switches, routers, and other network devices.
  • It complies with the IEEE 802.3bt standard for Power over Ethernet (PoE++).

Package

The LT4275BHMS#TRPBF comes in a small form factor, 16-pin thermally enhanced MSOP package.

Essence

The essence of this product lies in its ability to provide efficient power delivery over Ethernet connections, enabling the powering of various network devices.

Packaging/Quantity

The LT4275BHMS#TRPBF is typically packaged in reels, containing 250 units per reel.

Specifications

  • Input Voltage Range: 36V to 57V
  • Output Voltage Range: 2.5V to 57V
  • Maximum Output Current: 1.7A
  • Operating Temperature Range: -40°C to 85°C
  • Efficiency: Up to 95%
  • Integrated Surge Protection: Yes
  • Integrated Thermal Shutdown: Yes

Detailed Pin Configuration

  1. VDD: Power supply input
  2. VDDSENSE: Power supply sense input
  3. GND: Ground
  4. CLASS: Classification resistor input
  5. DETECT: Detection output
  6. DISABLE: Disable control input
  7. FLT: Fault indication output
  8. VOUT: Output voltage
  9. VOUTSENSE: Output voltage sense
  10. VOUTSENSE: Output voltage sense
  11. VOUTSENSE: Output voltage sense
  12. VOUTSENSE: Output voltage sense
  13. VOUTSENSE: Output voltage sense
  14. VOUTSENSE: Output voltage sense
  15. VOUTSENSE: Output voltage sense
  16. VOUTSENSE: Output voltage sense

Functional Features

  • Advanced power management features
  • Integrated detection and classification functions
  • Comprehensive fault protection mechanisms
  • Flexible output voltage programming options
  • Efficient power conversion with high efficiency

Advantages and Disadvantages

Advantages

  • High-power delivery capability
  • Compliance with PoE++ standard
  • Small form factor package
  • Integrated surge protection and thermal shutdown
  • Wide input and output voltage range

Disadvantages

  • Limited pin configuration options
  • Requires external components for complete PSE implementation

Working Principles

The LT4275BHMS#TRPBF operates by receiving power from an external power supply and converting it into a suitable voltage and current level for powering Ethernet-connected devices. It incorporates advanced power management features, including detection and classification functions, to ensure efficient and reliable power delivery.

Detailed Application Field Plans

The LT4275BHMS#TRPBF is widely used in various networking applications, including: - Ethernet switches - Routers - Wireless access points - IP cameras - VoIP phones - Industrial automation equipment

Detailed and Complete Alternative Models

  1. LT4276BHMS#TRPBF
  2. LT4277BHMS#TRPBF
  3. LT4278BHMS#TRPBF
  4. LT4279BHMS#TRPBF
  5. LT4280BHMS#TRPBF

These alternative models offer similar functionality and characteristics, providing flexibility in choosing the most suitable IC for specific applications.

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Wymień 10 typowych pytań i odpowiedzi związanych z zastosowaniem LT4275BHMS#TRPBF w rozwiązaniach technicznych

Sure! Here are 10 common questions and answers related to the application of LT4275BHMS#TRPBF in technical solutions:

  1. Q: What is LT4275BHMS#TRPBF? A: LT4275BHMS#TRPBF is a Power over Ethernet (PoE) controller designed for use in various technical solutions.

  2. Q: What is the input voltage range supported by LT4275BHMS#TRPBF? A: LT4275BHMS#TRPBF supports an input voltage range of 36V to 57V.

  3. Q: Can LT4275BHMS#TRPBF provide power to multiple devices simultaneously? A: Yes, LT4275BHMS#TRPBF can provide power to multiple devices through its multiple output channels.

  4. Q: What is the maximum power output of LT4275BHMS#TRPBF? A: LT4275BHMS#TRPBF can deliver up to 25.5W of power per channel.

  5. Q: Is LT4275BHMS#TRPBF compatible with IEEE 802.3af/at standards? A: Yes, LT4275BHMS#TRPBF is fully compatible with both IEEE 802.3af and IEEE 802.3at standards.

  6. Q: Can LT4275BHMS#TRPBF support power classification of connected devices? A: Yes, LT4275BHMS#TRPBF supports power classification based on the connected device's requirements.

  7. Q: Does LT4275BHMS#TRPBF have built-in protection features? A: Yes, LT4275BHMS#TRPBF includes various protection features like overcurrent, overvoltage, and thermal shutdown.

  8. Q: What is the operating temperature range of LT4275BHMS#TRPBF? A: LT4275BHMS#TRPBF can operate within a temperature range of -40°C to 85°C.

  9. Q: Can LT4275BHMS#TRPBF be used in both indoor and outdoor applications? A: Yes, LT4275BHMS#TRPBF is suitable for both indoor and outdoor applications due to its wide operating temperature range.

  10. Q: Is LT4275BHMS#TRPBF available in a surface-mount package? A: Yes, LT4275BHMS#TRPBF is available in a surface-mount package for easy integration into various technical solutions.

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