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TPS23851DCER
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TPS23851DCER

Product Overview

Category

The TPS23851DCER belongs to the category of Power over Ethernet (PoE) controllers.

Use

It is primarily used for managing power and data transmission in PoE systems.

Characteristics

  • Supports IEEE 802.3bt standard
  • Provides up to 90W of power per port
  • Offers advanced power management features
  • Enables efficient power delivery and control

Package

The TPS23851DCER comes in a small outline integrated circuit (SOIC) package.

Essence

The essence of TPS23851DCER lies in its ability to facilitate the implementation of PoE systems by providing power management and control capabilities.

Packaging/Quantity

The product is typically packaged in reels, with each reel containing a specific quantity of TPS23851DCER units.

Specifications

  • Input voltage range: 44V to 57V
  • Output voltage range: 3.3V to 20V
  • Maximum current per port: 1.5A
  • Operating temperature range: -40°C to 85°C
  • Package type: SOIC-8

Detailed Pin Configuration

The TPS23851DCER has the following pin configuration:

  1. VDD: Power supply input
  2. GND: Ground reference
  3. MD0: Mode selection bit 0
  4. MD1: Mode selection bit 1
  5. INT: Interrupt output
  6. SDA: I2C data line
  7. SCL: I2C clock line
  8. VOUT: Output voltage

Functional Features

  • Advanced power management algorithms
  • Integrated protection mechanisms (overcurrent, overvoltage, etc.)
  • I2C interface for configuration and monitoring
  • Support for various PoE modes (Type 1, Type 2, Type 3, and Type 4)
  • Flexible power allocation and prioritization

Advantages and Disadvantages

Advantages

  • High power delivery capability
  • Efficient power management
  • Comprehensive protection features
  • Flexible configuration options
  • Wide operating temperature range

Disadvantages

  • Relatively complex pin configuration
  • Requires understanding of PoE standards and protocols

Working Principles

The TPS23851DCER operates by receiving power and data from a PoE source and distributing it to connected devices. It utilizes advanced algorithms to manage power delivery, ensuring efficient utilization and protection against faults.

Detailed Application Field Plans

The TPS23851DCER is suitable for various applications, including: - IP cameras and surveillance systems - Wireless access points - VoIP phones - Industrial automation equipment - Building management systems

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the TPS23851DCER include: - TPS23861DCER - LTC4267CGN - MAX5941BESA

These models can be considered as alternatives based on specific requirements and compatibility with existing systems.

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Перечислите 10 распространенных вопросов и ответов, связанных с применением TPS23851DCER в технических решениях.

Sure! Here are 10 common questions and answers related to the application of TPS23851DCER in technical solutions:

  1. Q: What is TPS23851DCER? A: TPS23851DCER is a Power over Ethernet (PoE) powered device (PD) controller that integrates all the necessary functions for a PoE PD, including detection, classification, and current limiting.

  2. Q: What is the maximum power that TPS23851DCER can handle? A: TPS23851DCER can handle up to 90W of power, making it suitable for high-power PoE applications.

  3. Q: Can TPS23851DCER be used with both Type 1 and Type 2 PoE systems? A: Yes, TPS23851DCER is compatible with both Type 1 (IEEE 802.3af) and Type 2 (IEEE 802.3at) PoE systems.

  4. Q: How many ports can TPS23851DCER support? A: TPS23851DCER can support up to 8 PoE ports, allowing for the simultaneous powering of multiple devices.

  5. Q: Does TPS23851DCER support power management features? A: Yes, TPS23851DCER supports advanced power management features such as per-port power limiting and prioritization.

  6. Q: Can TPS23851DCER detect non-PoE devices connected to its ports? A: Yes, TPS23851DCER has the ability to detect non-PoE devices and prevent power delivery to them, ensuring safe operation.

  7. Q: Is TPS23851DCER compatible with various Ethernet speeds? A: Yes, TPS23851DCER is compatible with 10 Mbps, 100 Mbps, and 1 Gbps Ethernet speeds.

  8. Q: Does TPS23851DCER support power sourcing equipment (PSE) management? A: No, TPS23851DCER is a PD controller and does not include PSE management capabilities.

  9. Q: Can TPS23851DCER operate in harsh environmental conditions? A: Yes, TPS23851DCER is designed to operate in a wide temperature range and can withstand harsh industrial environments.

  10. Q: Are there any evaluation boards or reference designs available for TPS23851DCER? A: Yes, Texas Instruments provides evaluation boards and reference designs that can help developers quickly prototype and implement TPS23851DCER-based solutions.

Please note that the answers provided here are general and may vary depending on specific implementation requirements. It's always recommended to refer to the official documentation and datasheet for accurate information.