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TPS23861PWR
+Lista de MateriaisIC POE CNTRL 4 CHANNEL 28TSSOP
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FabricanteTexas Instruments
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Peça do Fabricante #TPS23861PWR
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Pacote TSSOP-28
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Em Estoque4024
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Especificações
| Atributo | Valor |
| Package / Case | Tape & Reel (TR),Cut Tape (CT) |
| Part Status | Active |
| Type | Controller (PSE) |
| Number of Channels | 4 |
| Power - Max | 25.5 W |
| Internal Switch(s) | No |
| Auxiliary Sense | No |
| Standards | 802.3at (PoE+), 802.3af (PoE) |
| Voltage - Supply | 44V ~ 57V |
| Supply Current | 3.5mA |
| Operating Temperature | -40°C ~ 85°C |
| Mounting Type | Surface Mount |
Visão Geral
Description
The TPS23861PWR offers up to eight PoE ports, each capable of delivering up to 30 watts, and features advanced power management capabilities. It includes detection, classification, and protection features, ensuring safe and reliable operation. The controller supports I2C and UART interfaces for communication and monitoring, allowing for flexible integration into network systems.
Additionally, the TPS23861PWR provides power management capabilities like port priority, power allocation, and real-time monitoring of voltage and current. This helps optimize power usage and improve system efficiency. Designed with robust protection mechanisms, it safeguards against overcurrent, short-circuit, and overtemperature conditions, making it a reliable choice for powering networked devices.
Equivalent
1. Microchip's PD69208, a PoE manager.
2. Linear Technology's (now part of Analog Devices) LTC4266, a quad-channel PoE controller.
3. Maxim Integrated's MAX5969B, a quad-port PoE controller.
These alternatives offer similar functionalities but may differ in specific features or configurations. Always check the datasheets to ensure full compatibility with your application requirements.
Features
1. IEEE 802.3at Compliant: Supports PoE+ with up to 30W output per port, allowing power delivery to a wide range of devices.
2. Four-Channel Control: Manages up to four independent ports, making it suitable for multi-port systems like network switches.
3. Autonomous Operation: Offers automatic device detection, classification, and power up, simplifying PoE system design.
4. Power Management: Includes power allocation and priority management features to optimize power distribution and efficiency.
5. Protection Features: Provides short-circuit protection, overcurrent protection, and thermal protection to ensure robust system operation.
6. I2C Interface: Supports remote monitoring and control via an I2C interface, allowing integration with system management software.
7. Flexible Configuration: Can be configured to support various power management modes and device settings for different applications.
This combination of features makes the TPS23861PWR ideal for applications requiring reliable and efficient PoE power delivery and management.
Pinout
This device is housed in a TSSOP (Thin Shrink Small Outline Package) with 28 pins. The functions of these pins include:
1. Power Management: Pins for connecting to power supplies and controlling power distribution.
2. I2C Interface: Pins for communication with microcontrollers, allowing for configuration and monitoring.
3. Detection and Classification: Pins to detect and classify powered devices (PDs).
4. Fault Protection: Pins to ensure safe operations by providing fault detection and response mechanisms.
5. LED Indicators: Pins for connecting LEDs that indicate status and faults.
6. Other Control and Feedback: Various pins for additional control signals and feedback loops.
The TPS23861PWR is essential for applications needing efficient power management and control over Ethernet networks, ensuring devices receive the appropriate power levels while maintaining safety and compliance with PoE standards.
Manufacturer
Texas Instruments is recognized for its innovation in the semiconductor industry, providing products that include integrated circuits, microcontrollers, sensors, and other electronic components. Their products are widely used in consumer electronics, automotive systems, industrial equipment, communications technology, and more. TI emphasizes research and development, aiming to deliver high-quality, reliable, and efficient solutions that meet the needs of modern and evolving technological applications.
Application
1. Network Switches: Used in Ethernet switches to provide power to connected devices like IP phones and cameras.
2. Wireless Access Points: Powers Wi-Fi access points, enabling easy network expansion.
3. IP Cameras: Supplies power to surveillance cameras for security systems.
4. VoIP Phones: Facilitates power delivery to Voice over IP phones.
5. Industrial Networking: Used in industrial Ethernet settings to power various networked devices.
6. Building Automation: Provides power to sensors and control panels in smart buildings.
The TPS23861PWR helps in simplifying power distribution and management over a single network cable, enhancing system efficiency and reducing wiring complexity.