MAX5969AETB+T

The MAX5969AETB+T is an integrated circuit designed by Maxim Integrated for use in Power-over-Ethernet (PoE) applications. It serves as a powered device (PD) interface, enabling Ethernet cables to deliver both data and power. The device is compliant with the IEEE 802.3af/at standards, ensuring compatibility with a wide range of PoE systems.
Key features include:
- Detection and classification of PoE signals
- Integrated power FET and current-limit circuitry
- Programmable inrush current, which helps in managing power-up operations
- Overtemperature, overcurrent, and overvoltage protection mechanisms to ensure safety and reliability
The MAX5969AETB+T is typically used in network devices like IP cameras, VoIP phones, and wireless access points, which require power from Ethernet infrastructure. Its compact TQFN package makes it suitable for space-constrained applications. By simplifying the power supply design and reducing component count, it optimizes both the design and cost of PoE-enabled devices.

The MAX5969AETB+T is a power-over-Ethernet (PoE) controller. Equivalent products include the TPS23753 from Texas Instruments, the Si3404 from Silicon Labs, and the LTC4267 from Analog Devices. These components serve similar functions by managing power delivery over Ethernet connections in accordance with IEEE PoE standards. However, always check the specific technical parameters and requirements to ensure compatibility with your application.

The MAX5969AETB+T is an integrated circuit designed for Power-over-Ethernet (PoE) applications, specifically as a powered device (PD) controller conforming to the IEEE 802.3af/at standards. It is manufactured by Maxim Integrated.
This IC comes in a 32-pin TQFN (Thin Quad Flat No-Lead) package. This compact design allows for efficient use in space-constrained applications.
Key functions of the MAX5969AETB+T include:
- Detection and classification of PoE power sources.
- Integrated power MOSFET for inrush current limiting.
- Automatic MPS (Maintain Power Signature) functionality to ensure continuous power delivery.
- Overvoltage and undervoltage lockout protection to safeguard against power anomalies.
- Thermal protection to prevent overheating.
- Programmable inrush current, classification current, and DC current limit settings.
These functionalities ensure the reliable operation of PoE-powered devices and make it suitable for network devices like IP cameras, VoIP phones, and wireless access points.

The MAX5969AETB+T is manufactured by Analog Devices, Inc. Analog Devices is a global semiconductor company that specializes in the design, manufacturing, and marketing of a broad portfolio of high-performance analog, mixed-signal, and digital signal processing integrated circuits (ICs). These components are used in various applications across diverse industries, including communications, automotive, industrial, healthcare, and consumer electronics. The company is known for its focus on innovation and providing solutions that enhance the performance and efficiency of electronic systems.

The MAX5969AETB+T is a Power-over-Ethernet (PoE) controller designed for powered devices (PDs). Its primary application areas include powering network devices such as IP cameras, VoIP phones, wireless access points, and other PoE-enabled equipment. The controller facilitates the extraction of power from Ethernet cables, making it ideal for environments where power outlets are scarce or where a centralized power distribution is desired. Additionally, it supports IEEE 802.3af/at standards, making it suitable for both Type 1 (PoE) and Type 2 (PoE+) devices. Its compact and efficient design makes it a versatile choice for modern network infrastructure that requires reliable and standardized PoE capabilities.

The MAX5969AETB+T is packaged in a 10-pin TDFN (Thin Dual Flat No-Lead) package with a 3mm x 3mm footprint.