MAX5971B (2)
The MAX5971B is available from Analog Devices at Xecor. Designed for single-port power sourcing equipment (PSE) applications, the MAX5971B offers IEEE 802.3af/at compliance, up to 40W power delivery, and integrated power MOSFET and sense resistor. Available in a compact 28-pin TQFN (5mm x 5mm) power package, it is ideal for switches/routers, single-port PSE end-point applications, and midspan power injectors. Whether used in telecommunications or network infrastructure, this series ensures high efficiency, scalability, and reliable performance for demanding applications. Xecor is an authorized distributor for Analog Devices. Please view our extensive selection of the MAX5971B series below.
| Part Number | Description | Package | Inventory | Add To Bom |
|---|---|---|---|---|
| MAX5971BETI+ | High-power, single-port Power over Ethernet (PoE) controller with I²C interface for efficient network integration | WFQFN-28 | 7,922 | |
| MAX5971BETI+T | Maximize your network's potential with this 40W single-port PSE controller | TQFN-28 | 5,893 |
Key Featrues
IEEE 802.3af/at Compliance: Ensures compatibility with both standard and high-power PoE (Power over Ethernet) devices, enabling seamless integration into existing networks and supporting a wide range of applications, from VoIP phones to high-power wireless access points.
Up to 40W for Single-Port PSE Applications: Delivers sufficient power to support high-power devices like PTZ cameras and advanced wireless access points, enhancing the versatility and scalability of network infrastructure.
Integrated Power MOSFET and Sense Resistor: Simplifies design and reduces external component count, leading to cost savings, improved reliability, and a more compact footprint in power-sourcing equipment.
I²C-Compatible, 2-Wire Serial Interface: Provides easy programmability and real-time monitoring of port current, enabling precise control and diagnostics, which improves system efficiency and simplifies troubleshooting.
High-Capacitance Detection for Legacy Devices: Ensures backward compatibility with older PoE devices, maintaining network flexibility and reducing the need for costly upgrades while supporting modern high-power applications.
Up to 40W for Single-Port PSE Applications: Delivers sufficient power to support high-power devices like PTZ cameras and advanced wireless access points, enhancing the versatility and scalability of network infrastructure.
Integrated Power MOSFET and Sense Resistor: Simplifies design and reduces external component count, leading to cost savings, improved reliability, and a more compact footprint in power-sourcing equipment.
I²C-Compatible, 2-Wire Serial Interface: Provides easy programmability and real-time monitoring of port current, enabling precise control and diagnostics, which improves system efficiency and simplifies troubleshooting.
High-Capacitance Detection for Legacy Devices: Ensures backward compatibility with older PoE devices, maintaining network flexibility and reducing the need for costly upgrades while supporting modern high-power applications.
Applications
Single-Port PSE End-Point Applications: The MAX5971B is ideal for powering and managing single-port Power over Ethernet (PoE) end-point devices, such as IP cameras, VoIP phones, and wireless access points. Its IEEE 802.3af/at compliance and integrated power MOSFET ensure reliable power delivery and device management, making it suitable for network infrastructure in commercial and industrial environments.
Single-Port PSE Power Injectors (Midspan Applications): The MAX5971B is well-suited for midspan power injectors, enabling PoE functionality in existing network setups. Its ability to deliver up to 40W of power and support high-capacitance detection ensures compatibility with both legacy and modern powered devices, making it a versatile solution for network upgrades.
Switches/Routers: The MAX5971B is perfect for integrating PoE capabilities into switches and routers, providing seamless power and data delivery to connected devices. Its I²C interface allows for real-time monitoring and control of port current, making it an excellent choice for advanced network management in enterprise and data center environments.
High-Power PD Applications: The MAX5971B supports Class 5 classification, making it ideal for powering high-power devices such as PTZ cameras, LED lighting systems, and industrial IoT devices. Its programmable current limit and DC/AC load removal detection ensure safe and efficient operation, even in demanding applications.
Single-Port PSE Power Injectors (Midspan Applications): The MAX5971B is well-suited for midspan power injectors, enabling PoE functionality in existing network setups. Its ability to deliver up to 40W of power and support high-capacitance detection ensures compatibility with both legacy and modern powered devices, making it a versatile solution for network upgrades.
Switches/Routers: The MAX5971B is perfect for integrating PoE capabilities into switches and routers, providing seamless power and data delivery to connected devices. Its I²C interface allows for real-time monitoring and control of port current, making it an excellent choice for advanced network management in enterprise and data center environments.
High-Power PD Applications: The MAX5971B supports Class 5 classification, making it ideal for powering high-power devices such as PTZ cameras, LED lighting systems, and industrial IoT devices. Its programmable current limit and DC/AC load removal detection ensure safe and efficient operation, even in demanding applications.
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