MAX5922BEUI+T

Product Overview

Category: Integrated Circuit (IC)
Use: Power Management
Characteristics: High-Voltage Hot-Swap Controller
Package: 28-TSSOP (Thin Shrink Small Outline Package)
Essence: The MAX5922BEUI+T is a high-voltage hot-swap controller designed for use in power management applications. It allows for safe insertion and removal of circuit boards or modules from live systems without causing damage to the components.
Packaging/Quantity: The MAX5922BEUI+T is typically sold in reels containing 250 units.

Specifications

Input Voltage Range: 9V to 80V
Operating Temperature Range: -40°C to +85°C
Current Limit Accuracy: ±5%
Power-On Reset Threshold: Adjustable
Fault Timer: Programmable
Overvoltage Protection: Adjustable
Undervoltage Lockout: Adjustable
Power Good Output: Open-drain, active-low
Fault Output: Open-drain, active-low
Package Type: TSSOP-28

Pin Configuration

The MAX5922BEUI+T has a total of 28 pins. Here is the detailed pin configuration:

VCC
GND
FLT
PG
ILIM
OVSET
UVSET
FAULT
IN+
IN-
OUT+
OUT-
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC

Functional Features

Hot-Swap Control: The MAX5922BEUI+T provides controlled insertion and removal of circuit boards or modules in live systems, protecting the components from damage.
Current Limiting: It features adjustable current limit accuracy to prevent excessive current flow during power-up or fault conditions.
Power-On Reset: The power-on reset threshold is adjustable, ensuring proper initialization of the system upon power-up.
Fault Detection: The device detects faults such as overvoltage, undervoltage, and overcurrent conditions, providing a fault output for system monitoring.
Power Good Output: The open-drain, active-low power good output indicates when the output voltage is within the acceptable range.
Compact Package: The TSSOP-28 package offers a compact form factor suitable for space-constrained applications.

Advantages and Disadvantages

Advantages: - Enables safe hot-swapping of circuit boards or modules - Adjustable current limit accuracy for precise protection - Programmable fault timer for flexible fault detection - Adjustable overvoltage and undervoltage protection thresholds - Compact package size for space-constrained applications

Disadvantages: - Limited pin count may restrict the number of supported features or functionalities - Requires additional external components for complete power management solution

Working Principles

The MAX5922BEUI+T operates by monitoring the input voltage and current during the hot-swap process. It controls the power path to the load, gradually ramping up the output voltage while limiting the current to a safe level. The device continuously monitors for faults such as overvoltage, undervoltage, and overcurrent conditions. Upon detecting a fault, it triggers the fault output and initiates appropriate protective actions to safeguard the system.

Detailed Application Field Plans

The MAX5922BEUI+T is commonly used in various power management applications, including:

Server and Data Center Equipment: Enables safe insertion and removal of server blades or modules without interrupting the operation of the entire system.
Telecom Infrastructure: Facilitates hot-swapping of line cards or modules in telecom equipment, ensuring continuous network connectivity.
Industrial Automation: Protects sensitive industrial control systems during maintenance or replacement of circuit boards or modules.
Automotive Electronics: Allows for safe replacement of electronic components in automotive systems, minimizing downtime and preventing damage.

Detailed and Complete Alternative Models

MAX5922BETI+: Similar to MAX5922BEUI+T but available in a TQFN package.
MAX5942BEUI+T: Hot-swap controller with integrated MOSFETs for higher current applications.
MAX5969BEUI+T: High-voltage hot-swap controller with additional features such as fault logging and sequencing capabilities.

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Listen Sie 10 häufige Fragen und Antworten im Zusammenhang mit der Anwendung von MAX5922BEUI+T in technischen Lösungen auf

Sure! Here are 10 common questions and answers related to the application of MAX5922BEUI+T in technical solutions:

Q: What is the MAX5922BEUI+T? A: The MAX5922BEUI+T is a power-over-Ethernet (PoE) controller designed for use in network devices that require both data and power over a single Ethernet cable.
Q: What is the maximum power output of the MAX5922BEUI+T? A: The MAX5922BEUI+T can deliver up to 30W of power to the connected device.
Q: Can the MAX5922BEUI+T be used with any Ethernet switch? A: Yes, the MAX5922BEUI+T is compatible with standard Ethernet switches that support PoE.
Q: How many devices can be powered simultaneously using the MAX5922BEUI+T? A: The MAX5922BEUI+T can power up to 12 devices simultaneously.
Q: Is the MAX5922BEUI+T compliant with IEEE 802.3af/at standards? A: Yes, the MAX5922BEUI+T is fully compliant with both IEEE 802.3af and IEEE 802.3at standards.
Q: Does the MAX5922BEUI+T support power management features? A: Yes, the MAX5922BEUI+T offers various power management features such as prioritization, scheduling, and fault protection.
Q: Can the MAX5922BEUI+T be used in outdoor applications? A: Yes, the MAX5922BEUI+T is suitable for outdoor applications as it operates within a wide temperature range and is designed to withstand harsh environments.
Q: What is the input voltage range for the MAX5922BEUI+T? A: The MAX5922BEUI+T operates with an input voltage range of 36V to 57V.
Q: Does the MAX5922BEUI+T support power monitoring and diagnostics? A: Yes, the MAX5922BEUI+T provides power monitoring and diagnostics features, allowing for real-time monitoring of power consumption and fault detection.
Q: Can the MAX5922BEUI+T be used in PoE lighting applications? A: Yes, the MAX5922BEUI+T can be used in PoE lighting applications, providing power and control capabilities for connected lighting fixtures.

Please note that these answers are general and may vary depending on specific implementation requirements and configurations.