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  4. Quad-port, IEEE 802.3af/at compliant PSE controller MP3924 for POE applications (Monolithic Power Systems, Inc.)
Quad-port, IEEE 802.3af/at compliant PSE controller MP3924 for POE applications-MP3924
Quad-port, IEEE 802.3af/at compliant PSE controller MP3924 for POE applications-Monolithic Power Systems, Inc.

Quad-port, IEEE 802.3af/at compliant PSE controller MP3924 for POE applications
Monolithic Power Systems, Inc.

About This Product

■Summary

The MP3924 is a quad-port, IEEE 802.3af/at compliant Power Sourcing Equipment (PSE) controller for PoE (Power over Ethernet) applications. The device has all the features of IEEE 802.3af/at, including detection, one event classification, two event classification, current limiting, and disconnected load detection. All functions can be configured via I2C and can operate in automatic mode or software program mode. The MP3924 includes a 9-bit analog-to-digital converter (ADC) for current and voltage monitoring, an I2C interface for isolated controller communication, adjustable current limit, and configurable system features. These provide flexibility for PoE applications. The MP3924 is available in a QFN-32 (5mm x 5mm) package.

■Features and benefits

・IEEE802.3af/at compliant ・Quad ports and 4-bit configurable I2C address ・0.25Ω current detection resistor ・Auto mode ・I2C command control mode ・Automatic input overpower shutdown ・Internal VCC power supply ・3-wire I2C interface for isolated applications - Two interrupt (INT) pins for interrupt priority selection ・Disconnected DC load detection ・Reading instantaneous current/voltage ・Thermal protection ・Provided in QFN-32 (5mm x 5mm) package

■Available product numbers

・MP3924GU-Z MP3924GU-P ・Part numbers ending in P and Z are the same part. P and Z indicate reel size only

  • Product

    Quad-port, IEEE 802.3af/at compliant PSE controller MP3924 for POE applications

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1 Models of Quad-port, IEEE 802.3af/at compliant PSE controller MP3924 for POE applications

Image Part Number Price (excluding tax) Current Limit FET MPS Method Operating Temp Range (℃) PSE Ports Pair Control PoE Standards Supported Grade Package (mm) Input voltage (max) (V) Input voltage (min) (V)
Quad-port, IEEE 802.3af/at compliant PSE controller MP3924 for POE applications-Part Number-MP3924

MP3924

Available upon quote

Programmable

External

DC Disconnect

-40 to 125

4

2 pairs

IEEE 802.3af/at

Catalog

QFN-32 (5x5)

57

44

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About Company Handling This Product

Monolithic Power Systems, Inc.

Company Overview

Monolithic Power Systems (MPS), founded in 1997 and headquartered in San Jose, California, is a manufacturer o...

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