MP8004GQW-Z Integrated Circuits (ICs)

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Type:	Controller (PD), DC/DC
Number of Channels:	1
Power - Max:	13W
Internal Switch(s):	Yes
Auxiliary Sense:	No
Standards:	802.3af (PoE)
Voltage - Supply:	0 V ~ 57 V
Current - Supply:	160µA
Operating Temperature:	-40°C ~ 125°C
Package / Case:	20-VFDFN Exposed Pad

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Introduction

Power Over Ethernet Controllers (PoE controllers) has become increasingly important with the rise of PoE-enabled technologies, especially for automation and power distribution applications. One of the newest PoE controllers in the market is the MP8004GQW-Z. It\'s a microcontroller from Microchip that provides a cost-effective solution for power management and control. This article will delve into the application field and working principle of the MP8004GQW-Z.

Application Field of MP8004GQW-Z

The MP8004GQW-Z provides a broad range of PoE applications including 802.3af (Type 1) and IEEE 802.3at (Type 2) powered devices (PD), as well as providing power and data up to 30 Watts and up to 12 ports. It is an ideal solution for applications such as VoIP phones, IP cameras, wireless access points, Point of Sale (POS) terminals, wireless base stations and lighting controllers.One of the main advantages of the MP8004GQW-Z is that it allows for quick and simple installations of PoE-enabled devices. This is possible due to the device having 4 selectable configurations that can be programmed directly via the controller. This makes the process of connecting, configuring, and testing a powered device straightforward.The MP8004GQW-Z integrates a USB interface as well, allowing for efficient communications and easy programming access. This makes it a suitable solution for situations where a USB connection is required but an Ethernet port is not available.

Working Principle Of MP8004GQW-Z

The MP8004GQW-Z is an integrated controller with a PWM switch-mode power supply (SMPS) design. It uses a pulse width modulation (PWM) switching technology to efficiently provide power to the PD. The PWM controls the power output and limits the voltage to protect the device from overload.The device controls the power output via a PMBus compatible interface, which is compatible with a variety of interface protocols such as I2C and SPI. The PMBus port can be used to configure and monitor the power output, enabling users to quickly and efficiently adjust the power output for optimal performance.The MP8004GQW-Z also features an I2-based digital interface that can be used to monitor the current, voltage and temperature. The digital interface provides accurate measurements so users can monitor and control the power output for maximum performance and efficiency.

Conclusion

The MP8004GQW-Z is an excellent choice for PoE applications. It is a cost-effective controller that allows for quick and simple installations of PoE-enabled devices. The device is equipped with various features such as 4 selectable configurations, USB interface, PMBus compatible interface, and an I2 based digital interface. All these features allow for maximum performance and efficient power management, making it a reliable and effective device for a wide range of PoE applications.

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