MAX5986BETE+T
Product Overview
- Category: Integrated Circuit (IC)
- Use: Power over Ethernet (PoE) Controller
- Characteristics:
- High efficiency
- Small package size
- Low power consumption
- Package: 16-pin TQFN (Thin Quad Flat No-Lead)
- Essence: Provides power and control for PoE applications
- Packaging/Quantity: Tape and Reel, 2500 units per reel
Specifications
- Input Voltage Range: 36V to 57V
- Output Voltage Range: 3.3V to 5.5V
- Maximum Output Current: 650mA
- Operating Temperature Range: -40°C to +85°C
- Efficiency: Up to 90%
- Standby Power Consumption: Less than 10mW
Pin Configuration
The MAX5986BETE+T has the following pin configuration:
- VDD: Power supply input
- GND: Ground
- EN: Enable pin
- FB: Feedback pin
- VOUT: Output voltage pin
- PGND: Power ground
- NC: Not connected
- NC: Not connected
- NC: Not connected
- NC: Not connected
- NC: Not connected
- NC: Not connected
- NC: Not connected
- NC: Not connected
- NC: Not connected
- NC: Not connected
Functional Features
- Integrated PoE controller with internal power MOSFETs
- Supports IEEE 802.3af/at compliant PD (Powered Device) applications
- Automatic detection and classification of PD devices
- Programmable current limit and thermal shutdown protection
- Built-in fault protection features for enhanced reliability
Advantages and Disadvantages
Advantages: - High efficiency design reduces power dissipation - Small package size saves board space - Low power consumption extends battery life in portable applications
Disadvantages: - Limited output current may not be suitable for high-power devices - Requires external components for complete PoE implementation
Working Principles
The MAX5986BETE+T is a PoE controller that provides power and control for PoE applications. It integrates power MOSFETs, enabling the delivery of power over Ethernet cables to connected PD devices. The controller supports IEEE 802.3af/at compliant PD applications and automatically detects and classifies connected devices. It features programmable current limit and thermal shutdown protection for enhanced safety and reliability.
Detailed Application Field Plans
The MAX5986BETE+T is commonly used in various PoE applications, including:
- IP Cameras: Provides power and data connectivity to IP cameras, eliminating the need for separate power cables.
- Wireless Access Points: Enables power delivery to wireless access points, simplifying installation and reducing cable clutter.
- VoIP Phones: Powers VoIP phones through Ethernet cables, allowing for flexible placement without the need for nearby power outlets.
- Network Switches: Supports PoE-enabled network switches, providing power to connected devices such as IP phones and wireless access points.
Detailed and Complete Alternative Models
- MAX5940BETE+T: Similar PoE controller with higher output current capability (up to 1A).
- MAX5979BETE+T: PoE controller with integrated DC-DC converter for higher voltage output options.
- LTC4267CGN#PBF: PoE controller with advanced power management features and extended temperature range.
(Note: This list is not exhaustive and there are other alternative models available in the market.)
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רשום 10 שאלות ותשובות נפוצות הקשורות ליישום של MAX5986BETE+T בפתרונות טכניים
Sure! Here are 10 common questions and answers related to the application of MAX5986BETE+T in technical solutions:
Q: What is the MAX5986BETE+T? A: The MAX5986BETE+T is a power management IC (PMIC) 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, simplifying the installation of network devices.
Q: What are the key features of the MAX5986BETE+T? A: The MAX5986BETE+T features integrated power MOSFETs, current limiting, thermal protection, and support for IEEE 802.3af/at standards.
Q: What is the maximum power output of the MAX5986BETE+T? A: The MAX5986BETE+T can deliver up to 30W of power per port, making it suitable for various PoE-enabled devices.
Q: Can the MAX5986BETE+T be used with both 10/100Mbps and Gigabit Ethernet? A: Yes, the MAX5986BETE+T supports both 10/100Mbps and Gigabit Ethernet speeds.
Q: Does the MAX5986BETE+T require any external components? A: Yes, the MAX5986BETE+T requires external input capacitors, transformers, and rectifiers to complete the PoE circuit.
Q: Is the MAX5986BETE+T compatible with different types of Ethernet cables? A: Yes, the MAX5986BETE+T is compatible with both Category 3 and Category 5 Ethernet cables.
Q: Can the MAX5986BETE+T provide power to multiple devices simultaneously? A: Yes, the MAX5986BETE+T supports multiple ports, allowing it to provide power to multiple PoE-enabled devices at the same time.
Q: What is the operating temperature range of the MAX5986BETE+T? A: The MAX5986BETE+T has an operating temperature range of -40°C to +85°C.
Q: Are there any evaluation kits available for the MAX5986BETE+T? A: Yes, Maxim Integrated offers evaluation kits that include the MAX5986BETE+T, allowing users to test and evaluate its performance in their specific applications.
Please note that these answers are general and may vary depending on the specific application and requirements. It's always recommended to refer to the datasheet and consult with the manufacturer for detailed information.