PI5USB2546QZHEX

Product Overview

• Category: USB Switch
• Use: The PI5USB2546QZHEX is a high-speed, low-power, bidirectional USB 2.0 switch designed for use in various electronic devices.
• Characteristics: This switch offers excellent signal integrity and ESD protection, making it suitable for applications where reliable USB data transmission is crucial.
• Package: The PI5USB2546QZHEX comes in a compact QFN package, which allows for easy integration into circuit boards.
• Essence: The essence of this product lies in its ability to provide seamless switching between multiple USB sources while maintaining signal integrity.
• Packaging/Quantity: The PI5USB2546QZHEX is typically sold in reels containing a specified quantity of switches.

Specifications

• Switch Type: Bidirectional
• Number of Channels: 4
• Operating Voltage Range: 2.7V to 5.5V
• Data Rate: Up to 480 Mbps
• On-Resistance: 5 ohms (typical)
• ESD Protection: ±15kV (Human Body Model)
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The PI5USB2546QZHEX features the following pin configuration:

1. VCC
2. GND
3. Channel 1 Data I/O
4. Channel 2 Data I/O
5. Channel 3 Data I/O
6. Channel 4 Data I/O
7. Channel 1 Enable
8. Channel 2 Enable
9. Channel 3 Enable
10. Channel 4 Enable

Functional Features

• Seamless bidirectional switching between USB sources.
• Low on-resistance ensures minimal signal degradation.
• High-speed data transmission up to 480 Mbps.
• ESD protection safeguards against electrostatic discharge.
• Low power consumption for energy-efficient operation.

Advantages and Disadvantages

Advantages

• Excellent signal integrity for reliable USB data transmission.
• Compact package allows for easy integration into circuit boards.
• Wide operating voltage range enables compatibility with various devices.
• Robust ESD protection ensures device longevity.

Disadvantages

• Limited number of channels (4) may not be sufficient for certain applications requiring more simultaneous connections.
• Higher on-resistance compared to some alternative models may result in slightly degraded signal quality.

Working Principles

The PI5USB2546QZHEX operates by selectively connecting one of the four input channels to the output channel. This bidirectional switch is controlled by the enable pins, which determine the active channel. When a specific channel is enabled, the corresponding data I/O pin is connected to the output, allowing data to pass through.

Detailed Application Field Plans

The PI5USB2546QZHEX finds application in various electronic devices that require USB switching capabilities. Some potential application fields include:

1. Computer peripherals: Enables seamless switching between multiple USB devices such as keyboards, mice, and external storage devices.
2. Audio/video systems: Facilitates switching between different USB audio or video sources, allowing users to connect their preferred devices.
3. Mobile devices: Provides a convenient solution for switching between USB accessories like chargers, headphones, and data transfer cables.

Detailed and Complete Alternative Models

1. PI5USB2547QZHEX: Similar to the PI5USB2546QZHEX but with an additional channel for increased connectivity options.
2. PI5USB30213A: A USB 3.0 switch offering higher data rates and backward compatibility with USB 2.0 devices.
3. PI5USB30216A: A USB Type-C switch designed specifically for USB-C applications, providing reversible connectivity and power delivery support.

These alternative models offer different features and specifications to cater to specific application requirements.

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