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MAX5984AETI+ - English Editing Encyclopedia Entry
Product Overview
Category
MAX5984AETI+ belongs to the category of integrated circuits (ICs).
Use
This product is commonly used in power management applications.
Characteristics
- The MAX5984AETI+ is a highly efficient power sourcing equipment (PSE) controller.
- It is designed to comply with the IEEE 802.3af/at standards for Power over Ethernet (PoE) systems.
- This IC provides a complete solution for implementing PoE in various devices.
Package and Quantity
The MAX5984AETI+ is available in a small, thermally enhanced 28-pin TQFN package. The quantity per package may vary depending on the supplier.
Specifications
- Input Voltage Range: 36V to 57V
- Output Voltage Range: 2.5V to 57V
- Maximum Output Current: 650mA
- Operating Temperature Range: -40°C to +85°C
- Efficiency: Up to 95%
- Integrated Protection Features: Overcurrent, Overvoltage, and Thermal Shutdown
Pin Configuration
The detailed pin configuration of MAX5984AETI+ is as follows:
| Pin Number | Pin Name | Description | |------------|----------|-------------| | 1 | VDD | Power Supply Input | | 2 | GND | Ground | | 3 | EN | Enable Control Input | | 4 | FB | Feedback Input | | 5 | VOUT | Output Voltage | | 6 | PG | Power Good Indicator | | ... | ... | ... |
Functional Features
- Supports both IEEE 802.3af and IEEE 802.3at standards.
- Provides accurate current limiting and thermal protection.
- Offers adjustable output voltage and current limit.
- Includes a power good indicator for system monitoring.
- Supports various power management features.
Advantages
- High efficiency ensures minimal power loss during operation.
- Compact package size allows for space-saving designs.
- Compliance with industry standards ensures compatibility with PoE systems.
- Integrated protection features enhance system reliability.
- Adjustable output voltage and current limit provide flexibility in different applications.
Disadvantages
- Limited maximum output current may not be suitable for high-power devices.
- Operating temperature range may restrict usage in extreme environments.
- Requires additional external components for complete PoE implementation.
Working Principles
The MAX5984AETI+ operates by receiving power from an Ethernet cable and converting it into a regulated DC voltage. It utilizes advanced control techniques to ensure efficient power transfer while maintaining compliance with the IEEE 802.3af/at standards. The IC incorporates various protection mechanisms to safeguard against overcurrent, overvoltage, and thermal issues.
Application Field Plans
The MAX5984AETI+ finds extensive application in the following fields: 1. IP Phones and VoIP Systems 2. Wireless Access Points 3. Security Cameras and Surveillance Systems 4. Industrial Automation Equipment 5. Network Switches and Routers
Alternative Models
For those seeking alternative options, the following models can be considered: 1. MAX5974BETI+: Similar functionality with higher maximum output current. 2. LTC4267CGN: PoE controller with integrated power management features. 3. TPS23861PWR: Advanced PoE controller supporting multiple ports.
In conclusion, the MAX5984AETI+ is a highly efficient PSE controller designed for PoE applications. Its compact size, compliance with industry standards, and integrated protection features make it a reliable choice for various power management needs.
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Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de MAX5984AETI+ en soluciones técnicas
Sure! Here are 10 common questions and answers related to the application of MAX5984AETI+ in technical solutions:
Q: What is the MAX5984AETI+? A: The MAX5984AETI+ is a power management IC (PMIC) specifically designed for Power over Ethernet (PoE) applications.
Q: What is Power over Ethernet (PoE)? A: PoE is a technology that allows both power and data to be transmitted over a single Ethernet cable, eliminating the need for separate power cables.
Q: What are the key features of the MAX5984AETI+? A: The MAX5984AETI+ features integrated power MOSFETs, a DC-DC controller, and various protection mechanisms to enable efficient and reliable PoE implementations.
Q: What is the maximum power output supported by the MAX5984AETI+? A: The MAX5984AETI+ can deliver up to 25.5W of power per port, compliant with the IEEE 802.3af/at standards.
Q: Can the MAX5984AETI+ support multiple PoE ports? A: Yes, the MAX5984AETI+ supports up to four independent PoE ports, allowing simultaneous power delivery to multiple devices.
Q: Does the MAX5984AETI+ provide any protection mechanisms for connected devices? A: Yes, the MAX5984AETI+ incorporates features like overcurrent protection, thermal shutdown, and short-circuit protection to safeguard connected devices.
Q: What is the input voltage range supported by the MAX5984AETI+? A: The MAX5984AETI+ operates from an input voltage range of 36V to 57V, which is typical for PoE applications.
Q: Can the MAX5984AETI+ be used in both 10/100Mbps and Gigabit Ethernet systems? A: Yes, the MAX5984AETI+ is compatible with both 10/100Mbps and Gigabit Ethernet systems, providing flexibility in various network setups.
Q: Does the MAX5984AETI+ support power classification for connected devices? A: Yes, the MAX5984AETI+ supports power classification based on the IEEE 802.3af/at standards, allowing it to determine the power requirements of connected devices.
Q: Are there any evaluation kits or reference designs available for the MAX5984AETI+? A: Yes, Maxim Integrated provides evaluation kits and reference designs to help engineers quickly prototype and implement PoE solutions using the MAX5984AETI+.
Please note that these answers are general and may vary depending on specific implementation requirements. It's always recommended to refer to the datasheet and application notes provided by the manufacturer for detailed information.