Microchip Technology

MIC2358YLQ

MIC2358YLQ Description

The MIC2358YLQ is a Power over Ethernet (PoE) Controller designed for Power Sourcing Equipment (PSE) applications. Manufactured by Microchip Technology, this obsolete device was part of the Power Management Integrated Circuit (PMIC) category. It is designed to manage power delivery over Ethernet cables, adhering to the IEEE 802.3af standard. The MIC2358YLQ features an 8-channel controller, capable of delivering up to 15.4 watts of power per channel, making it suitable for applications requiring multiple power sources. The device operates within a supply voltage range of 44V to 60V and has a supply current of 50µA. It is packaged in a 64LQFP format and is RoHS3 compliant, ensuring environmental safety and regulatory adherence.

MIC2358YLQ Features

• Operating Temperature Range: The MIC2358YLQ operates within a temperature range of 0°C to 70°C, making it suitable for a variety of environmental conditions.
• ECCN Status: The Export Control Classification Number (ECCN) for this device is OBSOLETE, indicating that it is no longer in production.
• Mounting Type: The device is designed for surface mount applications, facilitating easy integration into compact and space-constrained designs.
• Auxiliary Sense: The MIC2358YLQ does not feature auxiliary sense, simplifying the design and reducing complexity.
• Current - Supply: With a supply current of 50µA, the device is highly efficient, minimizing power consumption.
• Standards Compliance: It adheres to the IEEE 802.3af standard for Power over Ethernet, ensuring compatibility with a wide range of PoE devices.
• Internal Switches: The device does not include internal switches, which can be advantageous for applications requiring external control and flexibility.
• Type: As a Controller (PSE), the MIC2358YLQ is designed to manage power delivery to Powered Devices (PDs) over Ethernet cables.
• Number of Channels: With 8 channels, the device can support multiple PDs simultaneously, enhancing its versatility.
• Voltage - Supply: The supply voltage range of 44V to 60V ensures compatibility with various power sources.
• Power - Max: The maximum power delivery capability of 15.4 watts per channel allows for robust power management.
• REACH Status: The device is REACH unaffected, ensuring compliance with European chemical regulations.
• Moisture Sensitivity Level (MSL): With an MSL of 3 (168 hours), the device is suitable for environments with moderate moisture levels.

MIC2358YLQ Applications

The MIC2358YLQ is ideal for applications requiring efficient and reliable power management over Ethernet. Its 8-channel design makes it suitable for multi-device setups, such as IP cameras, VoIP phones, and wireless access points. The device's adherence to the IEEE 802.3af standard ensures seamless integration with a wide range of PoE-compatible devices. Its surface mount design and compact packaging make it suitable for space-constrained applications, while its low supply current and efficient power delivery capabilities make it ideal for energy-efficient designs.

Conclusion of MIC2358YLQ

The MIC2358YLQ, while now obsolete, was a robust and versatile PoE controller designed for efficient power management in PSE applications. Its adherence to industry standards, efficient power delivery, and compact design made it a reliable choice for various PoE applications. Although it is no longer in production, its legacy continues to influence the design of modern PoE controllers. For current applications, engineers may need to seek alternative solutions that offer similar or enhanced capabilities.