TPS23770PWP
Product Overview
Category
The TPS23770PWP belongs to the category of integrated circuits (ICs) specifically designed for power management applications.
Use
This IC is primarily used in power over Ethernet (PoE) applications, where it enables the delivery of both data and power over a single Ethernet cable. It provides a convenient solution for powering various devices 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: 750mA
- Power Dissipation: 2.5W
- Operating Temperature Range: -40°C to 85°C
Package
The TPS23770PWP is available in a small outline package (SOP) with a wide power pad (WSON-10) configuration. This package offers excellent thermal performance and ease of soldering.
Essence
The essence of the TPS23770PWP lies in its ability to efficiently manage power delivery in PoE applications, ensuring reliable operation of connected devices while minimizing power losses.
Packaging/Quantity
The TPS23770PWP is typically supplied in tape and reel packaging, with 250 units per reel.
Specifications
- Input Voltage Range: 36V to 57V
- Output Voltage Range: 3.3V to 5V
- Maximum Output Current: 750mA
- Quiescent Current: 100µA
- Efficiency: Up to 90%
- Overcurrent Protection: Yes
- Thermal Shutdown Protection: Yes
- ESD Protection: ±2kV (HBM)
- RoHS Compliance: Yes
Detailed Pin Configuration
The TPS23770PWP features a 10-pin package with the following pin configuration:
- VDD: Power supply input
- GND: Ground reference
- EN: Enable pin for device operation
- ILIM: Current limit setting pin
- VOUT: Output voltage pin
- FB: Feedback pin for voltage regulation
- NC: No connection
- NC: No connection
- NC: No connection
- NC: No connection
Functional Features
- Integrated power MOSFET for efficient power conversion
- Advanced power management algorithms for optimal performance
- Comprehensive protection features including overcurrent and thermal shutdown
- Low quiescent current for improved energy efficiency
- Fast transient response for stable output voltage regulation
Advantages
- Simplifies power delivery in PoE applications
- Enables cost-effective implementation of PoE-enabled devices
- Compact package with excellent thermal performance
- Wide input voltage range for compatibility with various PoE systems
- High efficiency reduces power losses and improves overall system efficiency
Disadvantages
- Limited maximum output current may not be suitable for high-power devices
- Requires additional external components for complete PoE implementation
- Sensitivity to ESD events requires proper handling during assembly and installation
Working Principles
The TPS23770PWP operates by receiving power from the Ethernet cable connected to a PoE switch or injector. It uses integrated power MOSFETs to efficiently convert the incoming high-voltage power to the desired output voltage, which is then regulated using feedback control. The IC incorporates advanced power management algorithms to optimize power delivery and ensure reliable operation under varying load conditions.
Detailed Application Field Plans
The TPS23770PWP finds extensive application in various PoE-enabled devices, including: - IP cameras - Wireless access points - VoIP phones - Network switches - Industrial automation equipment
Its compact size, wide input voltage range, and comprehensive protection features make it suitable for a wide range of PoE applications.
Detailed and Complete Alternative Models
- TPS23770PWPR: Similar to TPS23770PWP but supplied in a smaller package (SOP-8)
- TPS23771PWP: Higher output current variant (1.5A) with similar specifications
- TPS23772PWP: Lower output current variant (500mA) with similar specifications
These alternative models offer flexibility in choosing the most suitable IC based on specific application requirements.
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Lista 10 Vanliga frågor och svar relaterade till tillämpningen av TPS23770PWP i tekniska lösningar
Sure! Here are 10 common questions and answers related to the application of TPS23770PWP in technical solutions:
Q: What is TPS23770PWP? A: TPS23770PWP is a Power over Ethernet (PoE) powered device (PD) controller IC designed for use in various applications.
Q: What is the maximum power that TPS23770PWP can handle? A: TPS23770PWP can handle up to 25.5W of power.
Q: Can TPS23770PWP be used in both PoE and PoE+ applications? A: Yes, TPS23770PWP is compatible with both PoE (IEEE 802.3af) and PoE+ (IEEE 802.3at) standards.
Q: What are the key features of TPS23770PWP? A: Some key features of TPS23770PWP include integrated DC-DC controller, advanced power management, and support for multiple power modes.
Q: How does TPS23770PWP handle power negotiation in PoE systems? A: TPS23770PWP uses an internal signature resistor and detection circuitry to negotiate power levels with the power sourcing equipment (PSE).
Q: Can TPS23770PWP support multiple output voltages? A: Yes, TPS23770PWP supports multiple output voltages through its integrated DC-DC controller.
Q: Is TPS23770PWP suitable for low-power applications? A: Yes, TPS23770PWP is suitable for low-power applications as it offers efficient power management and low standby power consumption.
Q: Does TPS23770PWP have built-in protection features? A: Yes, TPS23770PWP includes various protection features such as overcurrent protection, thermal shutdown, and undervoltage lockout.
Q: Can TPS23770PWP be used in industrial applications? A: Yes, TPS23770PWP is suitable for industrial applications due to its wide operating temperature range and robust design.
Q: Are there any application notes or reference designs available for TPS23770PWP? A: Yes, Texas Instruments provides application notes and reference designs that can help users implement TPS23770PWP in their technical solutions effectively.
Please note that the answers provided here are general and may vary depending on specific use cases and requirements. It is always recommended to refer to the datasheet and documentation provided by the manufacturer for detailed information.