Skyworks Solutions, Inc.

SI3459-B04-IM

SI3459-B04-IM

DescriptionThe SI3459-B04-IM is a high-performance Power Sourcing Equipment (PSE) controller designed for applications requiring Power over Ethernet (PoE) capabilities. Manufactured by Skyworks Solutions, Inc., this device is part of the Power Management Integrated Circuit (PMIC) category and is specifically tailored for use in systems adhering to the 802.3at PoE standard. The SI3459-B04-IM features an 8-channel controller with a surface-mount package, making it suitable for compact and efficient management power solutions.

SI3459-B04-IM Features

• Mounting Type: Surface Mount, ensuring ease of integration into modern PCB designs.
• Auxiliary Sense: The absence of auxiliary sense simplifies the design and reduces component count.
• Current - Supply: A supply current of 18mA ensures efficient power usage without compromising performance.
• Product Status: While marked as "Not For New Designs," the SI3459-B04-IM remains reliable a choice for existing systems requiring maintenance or upgrades.
• Standards Compliance: Adherence to the 802.3at PoE standard guarantees compatibility with a wide range of PoE-enabled devices.
• Internal Switches: The lack of internal switches allows for greater flexibility in external circuit design.
• Type: As a Controller (PSE), it manages power delivery to PoE devices efficiently.
• Number of Channels: Eight channels provide robust support for multipleE Po devices, making it ideal for multi-port applications.
• Voltage - Supply: A wide supply voltage range of 44V to 57V ensures compatibility with various power sources.
• Manufacturer: Skyworks Solutions, Inc., a reputable name in the electronics industry, ensures high-quality and reliable performance.
• Package: The Tube package type facilitates easy handling and storage during manufacturing processes.
• RoHS Status: ROHS3 Compliant, ensuring the device meets environmental standards for restricted hazardous substances.
• Moisture Sensitivity Level (MSL): Level 3 (168 Hours) indicates the device's robustness against moisture, suitable for a variety of environmental conditions.

SI3459-B04-IM ApplicationsThe

SI3459-B04-IM is ideally suited for applications requiring efficient and reliable PoE management. Its 8-channel capability makes it perfect for multi-port PoE switches, network cameras, and other PoE-enabled devices. The wide supply voltage range and compliance with the 802.3at standard ensure seamless integration into existing PoE infrastructures. Its surface-mount package and compatibility with various power sources make it a versatile choice for compact and efficient power management solutions.

Conclusion of SI3459-B04-IM

The SI3459-B04-IM from Skyworks Solutions, Inc., stands out as a reliable and efficient PSE controller for Power over Ethernet applications. Its adherence to the 802.3at standard, combined with its 8-channel capability and wide supply voltage range, makes it a versatile solution for a variety of PoE-enabled devices. While not recommended for new designs, the SI3459-B04-IM remains a robust choice for maintaining and upgrading existing systems. Its surface-mount package, RoHS3 compliance, and moisture sensitivity level of 3 further enhance its suitability for diverse applications. For engineers and designers seeking a proven and reliable PSE controller, the SI3459-B04-IM offers a compelling combination of performance and flexibility.