PI3USB9281AGEEX

Product Overview

• Category: USB Switch
• Use: This product is used for switching between multiple USB devices.
• Characteristics: The PI3USB9281AGEEX is a high-performance USB switch with advanced features such as low power consumption and fast switching speed.
• Package: The product comes in a small form factor package, making it suitable for space-constrained applications.
• Essence: The essence of the PI3USB9281AGEEX lies in its ability to provide seamless switching between USB devices without any loss in signal quality.
• Packaging/Quantity: The product is typically sold in reels or trays, with a quantity of 2500 units per reel.

Specifications

• Number of Channels: 2
• Supply Voltage: 3.3V
• Operating Temperature Range: -40°C to +85°C
• Switching Speed: <5ns
• On-Resistance: 4Ω (typical)
• Off-Isolation: -30dB (typical)
• ESD Protection: ±8kV (contact discharge), ±15kV (air discharge)

Detailed Pin Configuration

The PI3USB9281AGEEX has the following pin configuration:

• Pin 1: VCC
• Pin 2: Channel 1 Data+
• Pin 3: Channel 1 Data-
• Pin 4: GND
• Pin 5: Channel 2 Data+
• Pin 6: Channel 2 Data-
• Pin 7: OE (Output Enable)
• Pin 8: SEL (Channel Select)

Functional Features

• Fast Switching: The PI3USB9281AGEEX offers rapid switching between USB devices, ensuring minimal delay in data transfer.
• Low Power Consumption: The product is designed to consume minimal power, making it suitable for battery-powered devices.
• High Signal Integrity: The USB switch maintains excellent signal integrity, ensuring reliable data transmission.
• ESD Protection: The PI3USB9281AGEEX provides robust electrostatic discharge protection, safeguarding connected devices.

Advantages and Disadvantages

Advantages: - Fast switching speed - Low power consumption - High signal integrity - Robust ESD protection

Disadvantages: - Limited number of channels (2)

Working Principles

The PI3USB9281AGEEX operates by selectively connecting the USB data lines of the desired channel to the host or device. This is achieved through the control signals provided to the OE and SEL pins. When a specific channel is selected, the corresponding data lines are connected, allowing data transfer between the host and the connected USB device.

Detailed Application Field Plans

The PI3USB9281AGEEX finds applications in various fields, including: 1. Mobile Devices: Enables seamless switching between different USB peripherals, such as charging cables and data transfer cables. 2. Computing: Facilitates the connection of multiple USB devices to a single host, reducing the need for multiple ports. 3. Industrial Automation: Allows for efficient switching between USB devices in industrial control systems, improving overall system performance.

Detailed and Complete Alternative Models

1. PI3USB9281BGEEX: Similar to PI3USB9281AGEEX but with extended temperature range (-40°C to +105°C).
2. PI3USB9281CZHEX: USB switch with 4 channels instead of 2, suitable for applications requiring more connections.
3. PI3USB9281DSEEX: USB switch with integrated ESD protection diodes for enhanced device protection.

(Note: These alternative models are just examples and not an exhaustive list.)

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