仕様
| 属性 | 値 |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| ProductStatus | Active |
| Type | Controller (PSE) |
| NumberofChannels | 4 |
| Power-Max | 70 W |
| InternalSwitch(s) | No |
| AuxiliarySense | No |
| Standards | 802.3at (PoE+), 802.3af (PoE) |
| Voltage-Supply | 32V ~ 60V |
| Current-Supply | 5mA |
| OperatingTemperature | -40°C ~ 105°C |
| MountingType | Surface Mount |
| Package/Case | 32-WFQFN Exposed Pad |
概要
Description
The MAX5980GTJ+T is a highly integrated power management IC designed to manage and control the power requirements for Power over Ethernet (PoE) systems. It is typically used in applications such as network switches, IP cameras, and VoIP phones. The device supports the IEEE 802.3af/at standards, ensuring compatibility with various PoE devices.
Key features include four integrated power MOSFETs and sense resistors, which help simplify the design and reduce the need for external components. The MAX5980GTJ+T also includes an I²C-compatible interface, allowing for easy configuration and monitoring of power parameters. This IC supports programmable current limits, providing flexibility in managing different power levels and offering overcurrent protection to enhance system reliability.
Furthermore, it includes thermal protection, maintaining performance and safety in varying environmental conditions. The package is compact, which is beneficial for applications where space is a constraint. Overall, the MAX5980GTJ+T is an efficient solution for managing PoE applications, providing robust power control and reducing design complexity.
Key features include four integrated power MOSFETs and sense resistors, which help simplify the design and reduce the need for external components. The MAX5980GTJ+T also includes an I²C-compatible interface, allowing for easy configuration and monitoring of power parameters. This IC supports programmable current limits, providing flexibility in managing different power levels and offering overcurrent protection to enhance system reliability.
Furthermore, it includes thermal protection, maintaining performance and safety in varying environmental conditions. The package is compact, which is beneficial for applications where space is a constraint. Overall, the MAX5980GTJ+T is an efficient solution for managing PoE applications, providing robust power control and reducing design complexity.
Equivalent
The MAX5980GTJ+T is a quad, IEEE 802.3af/at-compliant, power-over-Ethernet (PoE) power sourcing equipment (PSE) controller. Equivalent products include the TPS23861 from Texas Instruments, the LTC4266 from Analog Devices, and the Si3452 from Silicon Labs. Each of these serves similar PoE PSE functions, though specifications and additional features might vary slightly. Always check datasheets to ensure compatibility with your design requirements.
Features
The MAX5980GTJ+T is a quad, IEEE 802.3af/at-compliant, Power-over-Ethernet (PoE) power-sourcing equipment (PSE) controller. It offers several key features:
1. PoE Standards Compliance: It complies with IEEE 802.3af/at standards, supporting both Type 1 (PoE) and Type 2 (PoE+) devices.
2. Quad PSE Ports: It can manage up to four ports, providing flexibility in powering multiple devices.
3. Power Management: The controller includes features for automatic detection and classification of powered devices, as well as power allocation and priority management.
4. Protection Features: It offers overcurrent, short-circuit, and thermal protection to ensure reliable operation and safety.
5. Interface and Control: The device supports I2C/SMBus for communication and control, allowing for integration with microcontrollers.
6. High Efficiency: Designed for high efficiency to reduce power dissipation and heat generation.
7. Temperature Range: The operating temperature range is suitable for various industrial applications.
8. Compact Package: It is available in a compact TQFN-48 package, facilitating integration in space-constrained designs.
These features make the MAX5980GTJ+T a robust solution for powering network devices through Ethernet cables.
1. PoE Standards Compliance: It complies with IEEE 802.3af/at standards, supporting both Type 1 (PoE) and Type 2 (PoE+) devices.
2. Quad PSE Ports: It can manage up to four ports, providing flexibility in powering multiple devices.
3. Power Management: The controller includes features for automatic detection and classification of powered devices, as well as power allocation and priority management.
4. Protection Features: It offers overcurrent, short-circuit, and thermal protection to ensure reliable operation and safety.
5. Interface and Control: The device supports I2C/SMBus for communication and control, allowing for integration with microcontrollers.
6. High Efficiency: Designed for high efficiency to reduce power dissipation and heat generation.
7. Temperature Range: The operating temperature range is suitable for various industrial applications.
8. Compact Package: It is available in a compact TQFN-48 package, facilitating integration in space-constrained designs.
These features make the MAX5980GTJ+T a robust solution for powering network devices through Ethernet cables.
Pinout
The MAX5980GTJ+T is a quad IEEE 802.3af/at PSE controller used for power over Ethernet (PoE) applications. It is designed to manage and deliver power to four separate Ethernet ports. The device comes in a 32-pin TQFN package. Its main functions include detection, classification, and power management of powered devices (PDs) connected to Ethernet cables. The MAX5980GTJ+T supports features like programmable current limit, over-temperature protection, and fault management. It is well-suited for switches, routers, and other network equipment requiring PoE capabilities.
Manufacturer
The MAX5980GTJ+T is manufactured by Maxim Integrated, which is a part of Analog Devices, Inc. Maxim Integrated is a company that specializes in designing, manufacturing, and selling analog and mixed-signal integrated circuits. They provide a broad range of products used in a variety of applications, such as industrial, automotive, communications, consumer, and computing markets. Maxim Integrated is known for its innovation in advanced power technology, analog and mixed-signal products, and efficient design solutions. They aim to create products that enable smarter, more connected, and energy-efficient electronic devices.
Application
The MAX5980GTJ+T is a quad power device specifically designed for Power over Ethernet (PoE) applications. It is typically used in areas such as IP cameras, wireless access points, VoIP phones, and other networked devices that require power via Ethernet cables. The device is compliant with IEEE 802.3af/at standards, allowing it to deliver power over existing network infrastructure. Its primary function is to manage the power sourcing equipment (PSE) side of the PoE interface, making it crucial for applications where centralized power management and distribution are necessary. Additionally, it supports energy-efficient Ethernet operations, making it suitable for use in environmentally conscious designs.
Package
The MAX5980GTJ+T is a Power-over-Ethernet (PoE) controller. Its package type is TQFN (Thin Quad Flat No-lead), specifically a 32-pin TQFN with an exposed pad for improved thermal performance.
