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PI3USB14LEX

PI3USB14LEX

Product Overview

  • Category: USB Switch
  • Use: The PI3USB14LEX is a high-speed USB 2.0 switch designed for applications requiring multiplexing between two USB sources.
  • Characteristics:
    • High-speed data transmission
    • Low power consumption
    • Small package size
    • ESD protection
  • Package: QFN (Quad Flat No-Lead)
  • Essence: The PI3USB14LEX enables seamless switching between two USB sources, providing flexibility and convenience in various applications.
  • Packaging/Quantity: Available in tape and reel packaging, with quantities of 2500 units per reel.

Specifications

  • Switch Type: Single-pole double-throw (SPDT)
  • Operating Voltage Range: 1.65V to 5.5V
  • Data Rate: Up to 480 Mbps
  • On-Resistance: 4 ohms (typical)
  • Supply Current: 0.5 µA (typical)
  • ESD Protection: ±8 kV (contact discharge), ±15 kV (air discharge)

Detailed Pin Configuration

The PI3USB14LEX features the following pin configuration:

| Pin Number | Pin Name | Description | |------------|----------|-------------| | 1 | VCC | Power supply voltage | | 2 | GND | Ground | | 3 | S1 | USB Source 1 input/output | | 4 | S2 | USB Source 2 input/output | | 5 | EN | Enable control input | | 6 | OE | Output enable control input |

Functional Features

  • Seamless switching between two USB sources
  • Low power consumption
  • High-speed data transmission
  • ESD protection for enhanced reliability
  • Small package size for space-constrained applications

Advantages and Disadvantages

Advantages: - Enables easy multiplexing between two USB sources - High-speed data transmission for efficient performance - Low power consumption for energy efficiency - ESD protection ensures device reliability - Compact package size allows for versatile integration

Disadvantages: - Limited to USB 2.0 specifications, not compatible with USB 3.0 or higher

Working Principles

The PI3USB14LEX operates by selectively connecting either USB Source 1 or USB Source 2 to the output pin based on the control inputs. When the EN (Enable) input is high, the switch is enabled, and the OE (Output Enable) input controls the output state. The switch provides low on-resistance and high bandwidth, ensuring minimal signal degradation during switching.

Detailed Application Field Plans

The PI3USB14LEX finds applications in various fields, including:

  1. Mobile devices: Enables seamless switching between different USB sources, such as charging ports or data transfer interfaces.
  2. Computing: Facilitates switching between multiple USB peripherals, allowing users to connect/disconnect devices without physically unplugging them.
  3. Consumer electronics: Provides flexibility in audio/video systems, allowing users to switch between different USB input sources.
  4. Industrial automation: Enables multiplexing of USB connections in control systems, enhancing connectivity options.

Detailed and Complete Alternative Models

  1. PI3USB12LEX: Similar to PI3USB14LEX but with a single-pole single-throw (SPST) switch configuration.
  2. PI3USB22LEX: Dual SPDT USB switch with integrated level shifting capability.
  3. PI3USB30LEX: USB 3.0 switch with backward compatibility to USB 2.0 and USB 1.1.

These alternative models offer similar functionality and can be considered based on specific application requirements.

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Sebutkan 10 pertanyaan dan jawaban umum terkait penerapan PI3USB14LEX dalam solusi teknis

Sure! Here are 10 common questions and answers related to the application of PI3USB14LEX in technical solutions:

  1. Q: What is PI3USB14LEX? A: PI3USB14LEX is a USB switch IC (Integrated Circuit) designed for high-speed data switching applications.

  2. Q: What are the key features of PI3USB14LEX? A: The key features of PI3USB14LEX include low on-resistance, high bandwidth, low power consumption, and compatibility with various USB specifications.

  3. Q: What is the typical application of PI3USB14LEX? A: PI3USB14LEX is commonly used in devices that require USB port sharing or USB signal routing, such as laptops, tablets, docking stations, and USB hubs.

  4. Q: How does PI3USB14LEX enable USB port sharing? A: PI3USB14LEX allows multiple USB hosts to share a single USB device by selectively connecting the USB signals from one host to the device at a time.

  5. Q: Can PI3USB14LEX support USB 3.0 or higher speeds? A: Yes, PI3USB14LEX is designed to support USB 3.0 and higher speeds, providing reliable data transmission for high-speed USB devices.

  6. Q: Does PI3USB14LEX require external power supply? A: No, PI3USB14LEX is designed to be powered directly from the USB bus, eliminating the need for an external power supply.

  7. Q: Is PI3USB14LEX compatible with different operating systems? A: Yes, PI3USB14LEX is compatible with various operating systems, including Windows, macOS, Linux, and Android.

  8. Q: Can PI3USB14LEX handle hot-plugging of USB devices? A: Yes, PI3USB14LEX supports hot-plugging, allowing USB devices to be connected or disconnected while the system is powered on.

  9. Q: What is the voltage range supported by PI3USB14LEX? A: PI3USB14LEX supports a wide voltage range of 1.65V to 5.5V, making it compatible with different power supply levels.

  10. Q: Are there any evaluation boards or reference designs available for PI3USB14LEX? A: Yes, the manufacturer of PI3USB14LEX provides evaluation boards and reference designs to help developers quickly prototype and integrate the IC into their applications.

Please note that these answers are general and may vary depending on the specific implementation and requirements of your technical solution.