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TPS2376DR
Product Overview
Category
The TPS2376DR belongs to the category of integrated circuits (ICs) specifically designed for power over Ethernet (PoE) applications.
Use
This IC is primarily used in PoE systems to provide power and data transmission over a single Ethernet cable. It enables the delivery of power to various devices, such as IP cameras, wireless access points, and VoIP phones, eliminating the need for separate power cables.
Characteristics
- Supports IEEE 802.3af/at standards for PoE
- Provides power sourcing equipment (PSE) functionality
- Offers advanced power management features
- Enables efficient power delivery with low power dissipation
- Incorporates protection mechanisms for fault conditions
Package
The TPS2376DR is available in a small outline package (SOP) with eight pins. This package ensures easy integration into PoE system designs and allows for compact circuit layouts.
Essence
The essence of the TPS2376DR lies in its ability to simplify PoE implementations by integrating key functionalities required for power delivery and management in a single IC.
Packaging/Quantity
The TPS2376DR is typically supplied in reels or tubes, with each reel or tube containing a specified quantity of ICs. The exact packaging and quantity may vary depending on the supplier.
Specifications
- Input Voltage Range: 36V to 57V
- Output Voltage Range: 2.7V to 14V
- Maximum Output Current: 600mA
- Operating Temperature Range: -40°C to 85°C
- Power Dissipation: 1.5W (max)
- Efficiency: Up to 90%
- Integrated Protection Features: Overcurrent, Overvoltage, and Thermal Shutdown
Detailed Pin Configuration
The TPS2376DR features the following pin configuration:
- VDD: Power supply input
- GND: Ground reference
- VSS: Negative supply voltage
- VOUT: Output voltage
- FB: Feedback pin for voltage regulation
- EN: Enable pin for device control
- ILIM: Current limit setting
- VIN: Input voltage
Functional Features
- Integrated detection and classification of powered devices
- Automatic power negotiation with connected devices
- Dynamic power allocation based on device requirements
- Programmable current limit for enhanced system protection
- Fast fault recovery and automatic restart capabilities
Advantages and Disadvantages
Advantages
- Simplifies PoE system design and implementation
- Reduces overall system cost by eliminating the need for separate power cables
- Enables remote power management and monitoring
- Provides efficient power delivery with minimal power dissipation
- Incorporates comprehensive protection mechanisms for reliable operation
Disadvantages
- Limited maximum output current may not be suitable for high-power devices
- Requires careful consideration of thermal management in high-temperature environments
Working Principles
The TPS2376DR operates by detecting and classifying connected powered devices using the IEEE 802.3af/at standards. It negotiates power requirements with the devices and dynamically allocates power accordingly. The IC continuously monitors the power delivery process, ensuring safe and reliable operation by incorporating various protection mechanisms.
Detailed Application Field Plans
The TPS2376DR finds extensive application in the following fields:
- IP Surveillance Systems: Enables power delivery to IP cameras, simplifying installation and reducing wiring complexity.
- Wireless Access Points: Provides power to wireless access points, eliminating the need for separate power adapters.
- Voice over IP (VoIP) Phones: Enables power transmission to VoIP phones, streamlining deployment and reducing clutter.
- Network Switches: Facilitates PoE functionality in network switches, allowing for centralized power management.
Detailed and Complete Alternative Models
- TPS2376DD: Similar to TPS2376DR, but available in a different package (SOIC) with eight pins.
- TPS23861: Offers enhanced power management features and higher maximum output current for demanding PoE applications.
- LTC4267: Provides advanced power sourcing equipment capabilities with integrated hot-swap controllers.
These alternative models offer similar functionalities to the TPS2376DR and can be considered based on specific application requirements.
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Sebutkan 10 pertanyaan dan jawaban umum terkait penerapan TPS2376DR dalam solusi teknis
Sure! Here are 10 common questions and answers related to the application of TPS2376DR in technical solutions:
Q: What is TPS2376DR? A: TPS2376DR is a Power over Ethernet (PoE) powered device controller that integrates both the IEEE 802.3at-compliant PoE controller and an isolated DC-DC converter.
Q: What is the purpose of TPS2376DR in technical solutions? A: TPS2376DR enables the delivery of power and data over a single Ethernet cable, simplifying the installation and powering of network devices.
Q: What is the maximum power output supported by TPS2376DR? A: TPS2376DR supports up to 25.5W of power output, which is compliant with the IEEE 802.3at standard.
Q: Can TPS2376DR be used with non-PoE devices? A: Yes, TPS2376DR can be used with non-PoE devices by providing power through the Ethernet cable using a PoE injector or switch.
Q: How does TPS2376DR handle power management? A: TPS2376DR features advanced power management capabilities, including detection, classification, and prioritization of powered devices.
Q: Is TPS2376DR compatible with all Ethernet standards? A: TPS2376DR is compatible with both Fast Ethernet (10/100 Mbps) and Gigabit Ethernet (10/100/1000 Mbps) standards.
Q: Can TPS2376DR be used in outdoor applications? A: Yes, TPS2376DR is designed to operate in a wide temperature range and can be used in outdoor applications, provided proper environmental protection is ensured.
Q: Does TPS2376DR support power over long Ethernet cables? A: Yes, TPS2376DR supports power delivery over Ethernet cables up to 100 meters in length, as per the IEEE 802.3at standard.
Q: Can TPS2376DR be used with both PoE and non-PoE switches? A: Yes, TPS2376DR can be used with both PoE and non-PoE switches, as it provides power through the Ethernet cable independently of the switch type.
Q: Are there any safety features in TPS2376DR to protect against overvoltage or overcurrent? A: Yes, TPS2376DR incorporates various safety features, including overvoltage protection, overcurrent protection, and thermal shutdown, to ensure safe operation of the powered devices.
Please note that these answers are general and may vary depending on the specific implementation and configuration of TPS2376DR in a technical solution.