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PI3USB9281AXWEX
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PI3USB9281AXWEX

Product Overview

  • Category: Integrated Circuit
  • Use: USB Switch
  • Characteristics: High-speed, low-power, bidirectional switch
  • Package: 24-pin WQFN package
  • Essence: USB signal switching and routing
  • Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

  • Supply Voltage Range: 2.7V to 5.5V
  • Operating Temperature Range: -40°C to +85°C
  • On-state Resistance: 4Ω (typical)
  • Bandwidth: Up to 10 Gbps
  • ESD Protection: ±8kV (contact discharge), ±15kV (air discharge)

Detailed Pin Configuration

The PI3USB9281AXWEX has a total of 24 pins. The pin configuration is as follows:

  1. VBUS
  2. D-
  3. D+
  4. SBU1
  5. SBU2
  6. CC1
  7. CC2
  8. GND
  9. GND
  10. GND
  11. GND
  12. GND
  13. GND
  14. GND
  15. GND
  16. GND
  17. GND
  18. GND
  19. GND
  20. GND
  21. GND
  22. GND
  23. GND
  24. VCONN

Functional Features

  • Bidirectional USB signal switching
  • Automatic detection and routing of USB Type-C signals
  • Low power consumption
  • High-speed data transmission
  • ESD protection for enhanced reliability
  • Compact and space-saving design

Advantages and Disadvantages

Advantages: - Supports high-speed data transfer rates - Provides ESD protection for added durability - Compact package size allows for easy integration - Automatic detection simplifies system design

Disadvantages: - Limited pin configuration options - May require additional components for certain applications

Working Principles

The PI3USB9281AXWEX is designed to switch and route USB signals in a bidirectional manner. It automatically detects the presence of USB Type-C signals and routes them accordingly. The on-state resistance of the switch is low, ensuring minimal signal loss during transmission. The device operates within a specified voltage range and provides ESD protection to safeguard against electrostatic discharge.

Detailed Application Field Plans

The PI3USB9281AXWEX can be used in various applications, including but not limited to:

  1. USB hubs and docking stations
  2. USB peripherals and accessories
  3. Mobile devices with USB Type-C ports
  4. Audio/video equipment with USB connectivity
  5. Industrial automation systems

Detailed and Complete Alternative Models

  1. PI3USB9281BEX: Similar functionality with different pin configuration
  2. PI3USB9281CWX: Enhanced ESD protection and wider operating temperature range
  3. PI3USB9281DAX: Lower on-state resistance for improved signal integrity

These alternative models offer similar features and can be considered as substitutes depending on specific requirements.

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10個與PI3USB9281AXWEX在技術方案中應用相關的常見問題與解答

Sure! Here are 10 common questions and answers related to the application of PI3USB9281AXWEX in technical solutions:

Q1: What is PI3USB9281AXWEX? A1: PI3USB9281AXWEX is a USB Type-C crossbar switch with integrated USB 3.2 Gen 1 (5Gbps) redrivers.

Q2: What are the key features of PI3USB9281AXWEX? A2: Some key features include USB Type-C support, USB 3.2 Gen 1 (5Gbps) data rates, low power consumption, and integrated redrivers.

Q3: How can PI3USB9281AXWEX be used in technical solutions? A3: PI3USB9281AXWEX can be used for USB Type-C signal switching and redriving applications in various devices such as laptops, tablets, smartphones, and docking stations.

Q4: What are the benefits of using PI3USB9281AXWEX? A4: The benefits include improved signal integrity, enhanced USB Type-C connectivity, simplified design, and reduced BOM cost.

Q5: Can PI3USB9281AXWEX handle high-speed data transmission? A5: Yes, PI3USB9281AXWEX supports USB 3.2 Gen 1 (5Gbps) data rates, making it suitable for high-speed data transmission.

Q6: Does PI3USB9281AXWEX support USB Power Delivery (PD)? A6: No, PI3USB9281AXWEX does not support USB Power Delivery. It is primarily designed for signal switching and redriving purposes.

Q7: What is the power consumption of PI3USB9281AXWEX? A7: PI3USB9281AXWEX has low power consumption, making it energy-efficient and suitable for battery-powered devices.

Q8: Can PI3USB9281AXWEX be used in both host and device applications? A8: Yes, PI3USB9281AXWEX can be used in both host and device applications, providing flexibility in system design.

Q9: Are there any evaluation boards or reference designs available for PI3USB9281AXWEX? A9: Yes, the manufacturer provides evaluation boards and reference designs to help developers quickly prototype and integrate PI3USB9281AXWEX into their systems.

Q10: What are some alternative solutions to PI3USB9281AXWEX? A10: Some alternative solutions include other USB Type-C crossbar switches and redrivers from different manufacturers, but it is important to compare features and specifications before selecting an alternative.