SI3471A-A02-IM

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SI3471A-A02-IM

802.3BT SINGLE ETHERNET PORT PSE

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Bảo hành 365 ngày

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Thông số kỹ thuật

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
Current - Supply 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

Tổng quan

Description

SI3471A-A02-IM is a part of the Silicon Image family of products, typically used in various electronic applications. It is a highly integrated power management solution designed for efficiency and performance in devices such as laptops, tablets, and other portable electronics. The device usually features advanced power control capabilities, including voltage regulation, power sequencing, and thermal management.
The "A" in the model number often indicates a specific version or revision that may offer improved specifications or features compared to previous iterations. The "IM" generally signifies the type of packaging or intended application, suggesting it may be optimized for mobile or integrated uses.
For further details on technical specifications, application circuits, and performance metrics, consulting the manufacturer's datasheet is recommended.

Features

The SI3471A-A02-IM is a highly integrated Power over Ethernet (PoE) controller designed for powering network devices. Key features include:
1. Power Delivery: Supports IEEE 802.3af/at standards, enabling delivery of power up to 30W.
2. Flexible Configuration: Configurable for either type A or type B power delivery.
3. Integrated MOSFETs: Reduces external component count and simplifies design.
4. Low Power Consumption: Features low quiescent current, enhancing efficiency.
5. Smart Load Detection: Automatically detects powered devices (PDs) for optimal power management.
6. Thermal Protection: Includes thermal shutdown features to protect the device from overheating.
7. Compact Package: Available in a small form factor, facilitating space-saving designs.
Overall, the SI3471A-A02-IM is ideal for applications in IP cameras, VoIP phones, and other PoE-enabled devices, providing reliable power management with ease of integration.

Package

The SI3471A-A02-IM is packaged in a 16-pin QFN (Quad Flat No-lead) format. This compact package type is designed for efficient thermal performance and space-saving applications in various electronic circuits.

Pinout

The SI3471A-A02-IM is a Power over Ethernet (PoE) powered device (PD) controller designed for use in IP devices. It features a 28-pin package. The key functions of the SI3471A-A02-IM include:
1. Power Management: It supports IEEE 802.3af/at standards for powering devices over Ethernet.
2. Power Detection: Detects PoE power sources and ensures proper power negotiation.
3. Power Classification: Supports classification of the power requirements of connected devices.
4. Overload Protection: Offers protection against overcurrent and thermal overload conditions.
5. Status Indicators: Provides status signals for power and fault conditions.
This device is ideal for applications such as VoIP phones, wireless access points, and IP cameras, allowing them to receive power and data over a single Ethernet connection.

Manufacturer

The manufacturer of the SI3471A-A02-IM is Silicon Labs, a semiconductor company specializing in microcontrollers, sensors, and wireless technology. Founded in 1996 and headquartered in Austin, Texas, Silicon Labs focuses on providing innovative solutions for a wide range of applications, including the Internet of Things (IoT), automotive, industrial, and consumer electronics. The SI3471A is a power over Ethernet (PoE) powered device controller, highlighting the company's commitment to developing advanced power management and connectivity solutions. Silicon Labs is known for its emphasis on low-power technology and high-performance products.

Application

The SI3471A-A02-IM is a highly integrated power management IC primarily used in applications such as DC-DC converters, battery management systems, and power supply solutions. Its features support efficient voltage regulation and power distribution in consumer electronics, automotive systems, and industrial equipment. Additionally, it is suitable for use in telecommunications and networking devices where reliable power delivery is critical.

Equivalent

The SI3471A-A02-IM is a low RDS(ON) MOSFET driver. Equivalent products include the MIC4427, TC4421, and FAN320. These alternatives offer similar features such as driving capability, voltage levels, and switching speed. Always verify specific application requirements and datasheets for compatibility.

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