Diodes Incorporated
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PI3USB14LE

PI3USB14LE

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: USB 3.0/2.0 Switch
  • Characteristics:
    • Low power consumption
    • High-speed data transfer
    • Compact package size
    • Wide operating voltage range
  • Package: QFN (Quad Flat No-leads)
  • Essence: USB switch for signal routing and multiplexing
  • Packaging/Quantity: Available in reels, 2500 units per reel

Specifications

  • Number of Channels: 4
  • Supply Voltage Range: 1.65V to 5.5V
  • Operating Temperature Range: -40°C to +85°C
  • On-state Resistance: 4Ω (typical)
  • Bandwidth: Up to 5Gbps
  • ESD Protection: ±8kV (contact discharge), ±15kV (air discharge)

Detailed Pin Configuration

The PI3USB14LE has a total of 16 pins, which are assigned as follows:

  1. VCC
  2. GND
  3. Channel 1 Data Input/Output (DIO1)
  4. Channel 1 Data Output/Input (DOI1)
  5. Channel 1 Enable (EN1)
  6. Channel 2 Data Input/Output (DIO2)
  7. Channel 2 Data Output/Input (DOI2)
  8. Channel 2 Enable (EN2)
  9. Channel 3 Data Input/Output (DIO3)
  10. Channel 3 Data Output/Input (DOI3)
  11. Channel 3 Enable (EN3)
  12. Channel 4 Data Input/Output (DIO4)
  13. Channel 4 Data Output/Input (DOI4)
  14. Channel 4 Enable (EN4)
  15. NC (No Connection)
  16. NC (No Connection)

Functional Features

  • USB signal routing and multiplexing
  • Automatic switching between USB 3.0 and USB 2.0 signals
  • Low power consumption in standby mode
  • High-speed data transfer up to 5Gbps
  • ESD protection for reliable operation

Advantages and Disadvantages

Advantages: - Compact package size allows for space-saving designs - Wide operating voltage range enables compatibility with various systems - High-speed data transfer ensures efficient performance - ESD protection enhances reliability in harsh environments

Disadvantages: - Limited number of channels (4) - Not suitable for applications requiring a higher number of channels

Working Principles

The PI3USB14LE is designed to route and multiplex USB signals. It automatically detects the type of USB signal (USB 3.0 or USB 2.0) and switches accordingly. The integrated circuit operates by controlling the enable pins (EN1-EN4) to select the desired channel for signal transmission. When not in use, the device enters a low-power standby mode to conserve energy.

Detailed Application Field Plans

The PI3USB14LE is commonly used in various electronic devices that require USB signal switching, such as:

  1. Laptops and desktop computers
  2. USB hubs and docking stations
  3. Consumer electronics (smartphones, tablets, gaming consoles)
  4. Industrial automation systems
  5. Automotive infotainment systems

Detailed and Complete Alternative Models

  1. PI3USB12LE: Similar to PI3USB14LE but with 2 channels instead of 4.
  2. PI3USB22LE: Provides 8 channels for more extensive USB signal routing.
  3. PI3USB30LE: Specifically designed for USB 3.0 applications, offering enhanced bandwidth and features.

Note: This list is not exhaustive, and there are other alternative models available in the market.

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Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de PI3USB14LE en soluciones técnicas

Sure! Here are 10 common questions and answers related to the application of PI3USB14LE in technical solutions:

  1. Q: What is PI3USB14LE? A: PI3USB14LE is a USB switch IC (Integrated Circuit) designed for high-speed data switching applications.

  2. Q: What are the key features of PI3USB14LE? A: Some key features of PI3USB14LE include low on-resistance, high bandwidth, low power consumption, and compatibility with various USB specifications.

  3. Q: What is the typical application of PI3USB14LE? A: PI3USB14LE is commonly used in devices that require USB port sharing or switching, such as laptops, tablets, docking stations, and USB hubs.

  4. Q: How does PI3USB14LE enable USB port sharing? A: PI3USB14LE allows multiple USB devices to share a single USB port by selectively connecting/disconnecting the devices to/from the host system.

  5. Q: Can PI3USB14LE support USB 3.0 or higher speeds? A: Yes, PI3USB14LE is designed to support USB 3.0 and higher speeds, providing fast data transfer rates.

  6. Q: Does PI3USB14LE require external power? A: No, PI3USB14LE is typically powered directly from the USB bus, eliminating the need for an external power source.

  7. Q: Is PI3USB14LE compatible with different operating systems? A: Yes, PI3USB14LE is compatible with various operating systems, including Windows, macOS, Linux, and Android.

  8. Q: Can PI3USB14LE handle hot-plugging of USB devices? A: Yes, PI3USB14LE supports hot-plugging, allowing USB devices to be connected or disconnected while the system is powered on.

  9. Q: What is the maximum current rating of PI3USB14LE? A: The maximum current rating of PI3USB14LE varies depending on the specific model, but it typically ranges from 500mA to 2A.

  10. Q: Are there any design considerations when using PI3USB14LE? A: Yes, some design considerations include proper PCB layout, signal integrity, and ensuring adequate power supply for the USB devices connected through PI3USB14LE.

Please note that these answers are general and may vary depending on the specific implementation and datasheet of PI3USB14LE.