規格
| 屬性 | 價值 |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| ProductStatus | Active |
| Type | Controller (PSE) |
| NumberofChannels | 8 |
| Power-Max | 65 W |
| InternalSwitch(s) | No |
| AuxiliarySense | No |
| Standards | 802.3at (PoE+), 802.3bt |
| Voltage-Supply | 44V ~ 57V |
| Current-Supply | 10mA |
| OperatingTemperature | -40°C ~ 125°C (TJ) |
| MountingType | Surface Mount |
| Package/Case | 56-VFQFN Exposed Pad |
概述
Description
The TPS23882B1RTQR is a high-performance Power over Ethernet (PoE) controller from Texas Instruments, designed to manage power delivery over Ethernet cables. It integrates an eight-channel, fully autonomous controller compatible with the IEEE 802.3bt PoE standard, allowing it to deliver up to 100 watts per port. This makes it suitable for high-power applications like wireless access points, IP cameras, and LED lighting.
The device features advanced power management capabilities, including automatic detection and classification of powered devices, dynamic power allocation, and real-time monitoring. It supports various protection mechanisms such as over-current, over-temperature, and short-circuit protection to ensure reliable and safe operation.
The TPS23882B1RTQR also offers flexibility in design through programmable settings and a comprehensive set of I2C commands for configuration and monitoring, making it suitable for custom applications. Its QFN package allows for a compact design, which is advantageous for space-constrained environments. Overall, the TPS23882B1RTQR is engineered to simplify PoE system design while providing robust performance.
The device features advanced power management capabilities, including automatic detection and classification of powered devices, dynamic power allocation, and real-time monitoring. It supports various protection mechanisms such as over-current, over-temperature, and short-circuit protection to ensure reliable and safe operation.
The TPS23882B1RTQR also offers flexibility in design through programmable settings and a comprehensive set of I2C commands for configuration and monitoring, making it suitable for custom applications. Its QFN package allows for a compact design, which is advantageous for space-constrained environments. Overall, the TPS23882B1RTQR is engineered to simplify PoE system design while providing robust performance.
Equivalent
The TPS23882B1RTQR is a PoE (Power over Ethernet) PSE (Power Sourcing Equipment) controller by Texas Instruments. Equivalent products include the Microchip PD69208, Analog Devices LTC4271, and the ON Semiconductor NCP1095. These alternatives offer similar PoE functionalities and features but may vary in specifications, interfaces, and additional features. It's essential to compare datasheets to ensure compatibility with your specific application requirements.
Features
The TPS23882B1RTQR is a versatile Power over Ethernet (PoE) controller designed for power sourcing equipment (PSE) applications. It supports IEEE 802.3bt, offering up to 90W per port, and is backward compatible with IEEE 802.3af/at standards. The device features an autonomous mode, which facilitates plug-and-play functionality without needing a host controller, although it also supports I2C communication for advanced configuration and monitoring.
Key features include:
1. Eight-port PSE controller for efficient power management.
2. Supports both 2-pair and 4-pair power delivery.
3. Integrated MOSFETs for reduced component count and system cost.
4. Advanced power management and protection features, including over-current, under-load, and short-circuit protection.
5. Energy-efficient operation with low standby power consumption.
6. Compact 10mm x 10mm QFN package, suitable for dense board designs.
7. Built-in thermal management to ensure reliability under high load conditions.
Overall, the TPS23882B1RTQR is optimized for applications requiring robust and efficient PoE solutions, such as network switches, routers, and enterprise-level networking equipment.
Key features include:
1. Eight-port PSE controller for efficient power management.
2. Supports both 2-pair and 4-pair power delivery.
3. Integrated MOSFETs for reduced component count and system cost.
4. Advanced power management and protection features, including over-current, under-load, and short-circuit protection.
5. Energy-efficient operation with low standby power consumption.
6. Compact 10mm x 10mm QFN package, suitable for dense board designs.
7. Built-in thermal management to ensure reliability under high load conditions.
Overall, the TPS23882B1RTQR is optimized for applications requiring robust and efficient PoE solutions, such as network switches, routers, and enterprise-level networking equipment.
Pinout
The TPS23882B1RTQR is a Power over Ethernet (PoE) controller from Texas Instruments. It is typically used in applications like PoE Power Sourcing Equipment (PSE) to manage power distribution over Ethernet cables. The TPS23882B1RTQR package comes with a pin count of 56.
Each pin on the device serves specific functions necessary for PoE operations, such as power management, communication with a microcontroller, and interfacing with detection, classification, and power delivery components. The pins are typically categorized into various groups, such as input/output pins, power pins, ground pins, and communication interface pins like I2C or SPI, for configuration and control purposes.
For detailed pin functions, referring to the official datasheet provided by Texas Instruments is recommended, as it offers comprehensive technical specifications, pin descriptions, and application diagrams to guide proper usage.
Each pin on the device serves specific functions necessary for PoE operations, such as power management, communication with a microcontroller, and interfacing with detection, classification, and power delivery components. The pins are typically categorized into various groups, such as input/output pins, power pins, ground pins, and communication interface pins like I2C or SPI, for configuration and control purposes.
For detailed pin functions, referring to the official datasheet provided by Texas Instruments is recommended, as it offers comprehensive technical specifications, pin descriptions, and application diagrams to guide proper usage.
Manufacturer
The TPS23882B1RTQR is manufactured by Texas Instruments. Texas Instruments (TI) is a global semiconductor company that designs and produces a wide range of analog and embedded processing chips. TI is known for its innovation in the electronics industry and supplies components for various applications, including automotive, industrial, personal electronics, communications equipment, and enterprise systems. The company focuses on helping customers solve problems and improve their technology products by providing high-quality, reliable semiconductor solutions.
Application
The TPS23882B1RTQR is a Power-over-Ethernet (PoE) controller designed for managing and delivering power in Ethernet networks. Its application areas include:
1. Network Switches and Routers: Provides PoE capabilities to network devices.
2. Wireless Access Points: Powers WLAN access points in enterprise environments.
3. IP Cameras: Supplies power to surveillance systems for security applications.
4. VoIP Phones: Delivers reliable power to internet-based telephony devices.
5. IoT Devices: Supports various Internet of Things devices needing network connectivity and power.
6. Industrial Automation: Facilitates PoE in industrial Ethernet applications.
This controller helps in efficient power management and reduces infrastructure costs by integrating data and power over a single Ethernet cable.
1. Network Switches and Routers: Provides PoE capabilities to network devices.
2. Wireless Access Points: Powers WLAN access points in enterprise environments.
3. IP Cameras: Supplies power to surveillance systems for security applications.
4. VoIP Phones: Delivers reliable power to internet-based telephony devices.
5. IoT Devices: Supports various Internet of Things devices needing network connectivity and power.
6. Industrial Automation: Facilitates PoE in industrial Ethernet applications.
This controller helps in efficient power management and reduces infrastructure costs by integrating data and power over a single Ethernet cable.
Package
The TPS23882B1RTQR is a Power over Ethernet (PoE) controller from Texas Instruments, and it comes in a 56-pin VQFN (Very Thin Quad Flat No-Lead) package.
