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TPS2376PWRG4
Product Overview
Category
The TPS2376PWRG4 belongs to the category of integrated circuits (ICs) specifically designed for power management applications.
Use
This IC is commonly used in power over Ethernet (PoE) systems, where it enables the delivery of both data and power over a single Ethernet cable. It provides a cost-effective solution for implementing PoE in various applications such as IP cameras, wireless access points, and VoIP phones.
Characteristics
- 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
- Package Type: 20-pin TSSOP
- RoHS Compliant: Yes
Packaging/Quantity
The TPS2376PWRG4 is typically available in tape and reel packaging, with a quantity of 2500 units per reel.
Specifications
- Input Voltage Range: 36V to 57V
- Output Voltage Range: 3.3V to 5V
- Maximum Output Current: 600mA
- Quiescent Current: 100µA
- Switching Frequency: 200kHz
- Overcurrent Protection: Yes
- Thermal Shutdown Protection: Yes
- Undervoltage Lockout: Yes
- Power Dissipation: 1.2W (max)
Pin Configuration
The TPS2376PWRG4 features a 20-pin TSSOP package with the following pin configuration:
- VDD
- GND
- NC
- NC
- NC
- NC
- NC
- NC
- NC
- NC
- NC
- NC
- NC
- NC
- NC
- NC
- NC
- NC
- NC
- NC
Functional Features
- Integrated high-side MOSFET for power switching
- Detection and classification of powered devices
- Programmable current limit
- Overcurrent protection with automatic recovery
- Thermal shutdown protection
- Undervoltage lockout for reliable operation
- Power good indicator for system monitoring
Advantages and Disadvantages
Advantages
- Enables power over Ethernet implementation in various applications
- Cost-effective solution for combining data and power transmission
- High efficiency results in reduced power dissipation
- Comprehensive protection features ensure safe operation
- Compact package size allows for space-efficient designs
Disadvantages
- Limited maximum output current may not be suitable for high-power devices
- Fixed switching frequency may not be optimal for all applications
- Lack of pin functionality description limits customization options
Working Principles
The TPS2376PWRG4 operates by utilizing a flyback converter topology to convert the input voltage from the Ethernet cable into a regulated output voltage. It incorporates a high-side MOSFET for efficient power switching and employs various control mechanisms to ensure proper power delivery and protection.
When connected to a powered device, the IC detects and classifies it according to the IEEE 802.3af/at standards. It then regulates the output voltage and current based on the device's requirements. The integrated protection features, such as overcurrent and thermal shutdown, safeguard both the IC and the powered device from potential faults or failures.
Detailed Application Field Plans
The TPS2376PWRG4 finds extensive application in the following fields:
- IP Cameras: Enables power and data transmission over a single Ethernet cable, simplifying installation and reducing costs.
- Wireless Access Points: Provides power to wireless networking devices, eliminating the need for separate power cables.
- VoIP Phones: Enables PoE functionality in Voice over IP phones, streamlining deployment and reducing clutter.
Detailed and Complete Alternative Models
- TPS2376PW: Similar to TPS2376PWRG4 but without RoHS compliance.
- TPS2376PWR: Similar to TPS2376PWRG4 with RoHS compliance, but available in a different package (16-pin SOIC).
These alternative models offer similar functionality and can be considered as substitutes based on specific requirements.
In conclusion, the TPS2376PWRG4 is an integrated circuit designed for power management applications, specifically in power over Ethernet systems. It offers various features such as high efficiency, protection mechanisms, and compact packaging. While it has limitations in terms of maximum output current and fixed switching frequency, it provides a cost-effective solution for implementing PoE in diverse applications.
Sebutkan 10 pertanyaan dan jawaban umum terkait penerapan TPS2376PWRG4 dalam solusi teknis
Sure! Here are 10 common questions and answers related to the application of TPS2376PWRG4 in technical solutions:
Q: What is TPS2376PWRG4? A: TPS2376PWRG4 is a Power over Ethernet (PoE) controller IC designed for use in various applications that require power delivery over Ethernet cables.
Q: What are the key features of TPS2376PWRG4? A: Some key features of TPS2376PWRG4 include IEEE 802.3af/at compliant PoE, integrated DC-DC converter, advanced power management, and protection features.
Q: How does TPS2376PWRG4 enable Power over Ethernet? A: TPS2376PWRG4 integrates the necessary circuitry to extract power from an Ethernet cable and convert it into usable voltage levels for powering devices.
Q: What is the maximum power output supported by TPS2376PWRG4? A: TPS2376PWRG4 supports up to 25.5W of power output, which is compliant with the IEEE 802.3af/at standards.
Q: Can TPS2376PWRG4 be used in both PoE and PoE+ applications? A: Yes, TPS2376PWRG4 is compatible with both PoE (IEEE 802.3af) and PoE+ (IEEE 802.3at) applications.
Q: What are the typical applications of TPS2376PWRG4? A: TPS2376PWRG4 is commonly used in IP phones, wireless access points, security cameras, industrial automation equipment, and other devices requiring PoE.
Q: Does TPS2376PWRG4 provide any protection features? A: Yes, TPS2376PWRG4 includes protection features such as overcurrent protection, overvoltage protection, and thermal shutdown.
Q: Can TPS2376PWRG4 operate in a wide input voltage range? A: Yes, TPS2376PWRG4 can operate with an input voltage range of 36V to 57V, making it suitable for various PoE applications.
Q: Is TPS2376PWRG4 easy to integrate into existing designs? A: Yes, TPS2376PWRG4 is available in a small form factor package and requires minimal external components, making it relatively easy to integrate into designs.
Q: Are there any evaluation boards or reference designs available for TPS2376PWRG4? A: Yes, Texas Instruments provides evaluation boards and reference designs that can help engineers quickly prototype and implement TPS2376PWRG4 in their applications.
Please note that the answers provided here are general and may vary depending on specific design requirements and application scenarios. It is always recommended to refer to the datasheet and application notes for detailed information.