SI3471A-A02-IM

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SI3471A-A02-IM

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802.3BT SINGLE ETHERNET PORT PSE

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Especificações

Atributo Valor
Part Status Active
Type Controller (PSE)
Number of Channels 1
Internal Switch(s) No
Auxiliary Sense No
Standards 802.3at (PoE+), 802.3af (PoE)
Voltage - Supply 3V ~ 3.6V, 50V ~ 57V
Supply Current 17mA
Operating Temperature -40°C ~ 85°C (TA)
Mounting Type Surface Mount
Package / Case 38-VFQFN Exposed Pad
Supplier Device Package 38-QFN (5x7)
Base Product Number SI3471

Visão Geral

Description

SI3471A-A02-IM is a high-performance, integrated power management IC designed for applications requiring efficient power conversion and management. Typically, it features multiple output channels, allowing for a range of voltage outputs suitable for various devices. The IC often incorporates advanced functionalities such as adjustable output voltage, over-voltage protection, and thermal shutdown to ensure safe operation.
With a compact footprint, the SI3471A-A02-IM is ideal for space-constrained applications, including portable electronics, consumer devices, and battery-operated systems. It usually offers high efficiency, which helps in extending battery life and reducing heat generation.
Additionally, it may support various communication protocols for easy integration into existing designs, offering flexibility for developers. Overall, the SI3471A-A02-IM is a versatile solution for modern power management needs, enhancing both performance and reliability in electronic devices.

Equivalent

The SI3471A-A02-IM is a dual-channel, high-side load switch with a built-in MOSFET. Equivalent products include the Texas Instruments TPS22918, ON Semiconductor NCV8452, and NXP Semiconductors FSUSB42. Make sure to check the specific ratings and features, such as voltage, current, and control methods, to ensure compatibility for your application.

Features

The SI3471A-A02-IM is a highly integrated Power over Ethernet (PoE) controller designed for efficient power management in network devices. Key features include:
1. Power Sourcing Equipment (PSE): Complies with IEEE 802.3af/at standards, enabling delivery of power to compliant devices.
2. Integrated MOSFETs: Reduces component count and enables compact designs.
3. Smart Power Management: Supports load detection, ensuring power is only supplied to connected devices, improving energy efficiency.
4. Flexible Configuration: Offers various options for configuring power output, accommodating different application needs.
5. Thermal Management: Features thermal shutdown and overcurrent protection, enhancing reliability.
6. Low Power Consumption: Designed to minimize power loss, contributing to overall system efficiency.
7. Compact Package: Its small form factor allows for easy integration into space-constrained designs.
These features make the SI3471A-A02-IM suitable for a range of applications, including IP cameras, wireless access points, and VoIP phones.

Pinout

The SI3471A-A02-IM is a Power over Ethernet (PoE) powered device (PD) controller designed by Silicon Labs. It features a pin count of 28 pins.
Key functions of the SI3471A-A02-IM include:
1. Power Management: It supports 802.3af/at compliant power negotiation and management for PoE applications.
2. Power Delivery: The device can handle up to 30W of power, allowing it to support various powered devices such as IP cameras, VoIP phones, and wireless access points.
3. Integrated Protection: It includes features like overcurrent protection, thermal shutdown, and undervoltage lockout.
4. Status Indication: The device provides status outputs to indicate power status.
Overall, it is designed to simplify the design of PoE applications while ensuring robust performance and safety.

Manufacturer

The SI3471A-A02-IM is manufactured by Silicon Labs, a company known for its focus on innovation in the semiconductor industry. Silicon Labs specializes in developing analog and mixed-signal integrated circuits, including microcontrollers, sensors, and wireless connectivity solutions. The company is particularly recognized for its efficiency in low-power, high-performance products that cater to various applications, such as the Internet of Things (IoT), automotive, and industrial markets. Founded in 1996 and headquartered in Austin, Texas, Silicon Labs has established itself as a leader in the embedded systems space, providing solutions that enable advanced connectivity and energy efficiency.

Application

The SI3471A-A02-IM is a high-performance, integrated DC-DC converter designed for applications in power management, particularly in portable and battery-powered devices. Its primary application areas include consumer electronics, such as smartphones and tablets, industrial automation systems, electric vehicles, and renewable energy systems. It is also suitable for powering sensors and IoT devices due to its efficiency and compact design. Additionally, the converter can be utilized in telecommunications and networking equipment to ensure reliable power supply.

Package

The SI3471A-A02-IM is available in a 16-pin QFN (Quad Flat No-lead) package. This type of packaging is designed for compactness and efficient thermal performance, making it suitable for various applications in power management and other electronic circuits.

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