PI3USB14ZHE

Product Overview

• Category: USB Switch
• Use: The PI3USB14ZHE is a high-speed USB 2.0 switch designed for applications requiring multiplexing of high-speed differential signals. It allows the sharing of a single USB port between two different devices.
• Characteristics: The PI3USB14ZHE offers low insertion loss, high bandwidth, and low crosstalk, making it suitable for high-speed data transmission. It comes in a small package, making it ideal for space-constrained designs.
• Package: The PI3USB14ZHE is available in a compact 10-pin QFN package.
• Essence: The essence of the PI3USB14ZHE lies in its ability to provide a seamless switching solution for USB signals, enabling efficient sharing of a single USB port.
• Packaging/Quantity: The PI3USB14ZHE is typically sold in reels of 2500 units.

Specifications

• Switch Type: Single-Pole Double-Throw (SPDT)
• Operating Voltage: 1.65V to 5.5V
• Bandwidth: Up to 480 Mbps
• On-Resistance: 4 ohms (typical)
• Insertion Loss: 0.5 dB (typical)
• Crosstalk: -40 dB (typical)
• Supply Current: 0.5 µA (standby), 1 mA (active)

Pin Configuration

The PI3USB14ZHE features the following pin configuration:

```

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| | --| EN | --| A | --| B | --| GND | --| VCC | --| D+ | --| D- | --| NC | |___________| ```

Functional Features

• High-Speed Switching: The PI3USB14ZHE supports high-speed USB 2.0 signals, allowing for fast and reliable data transmission.
• Low Insertion Loss: With a low insertion loss of only 0.5 dB, the PI3USB14ZHE minimizes signal degradation during switching.
• Low Crosstalk: The device exhibits low crosstalk (-40 dB), ensuring minimal interference between the switched signals.
• Low Power Consumption: The PI3USB14ZHE consumes very low power, making it suitable for battery-powered applications.

Advantages and Disadvantages

Advantages: - Enables sharing of a single USB port between two devices - High-speed data transmission capability - Compact package size for space-constrained designs - Low insertion loss and crosstalk

Disadvantages: - Limited to USB 2.0 specifications - Requires external control for switching operation

Working Principles

The PI3USB14ZHE operates by selectively connecting either the D+ or D- lines of the USB port to the corresponding lines of the desired device. This allows for seamless switching between the connected devices without the need for physically disconnecting and reconnecting cables.

Application Field Plans

The PI3USB14ZHE finds applications in various fields, including: 1. Mobile devices: Enables switching between different USB peripherals (e.g., charging, data transfer) using a single port. 2. Computing: Facilitates sharing of USB ports between multiple devices, such as printers, scanners, and external storage. 3. Consumer electronics: Allows for easy switching between USB audio devices or video sources.

Alternative Models

Here are some alternative models that offer similar functionality to the PI3USB14ZHE: - PI3USB12ZHE - PI3USB22ZHE - PI3USB30ZHE

These models provide comparable USB switching capabilities and can be considered as alternatives based on specific design requirements.

In conclusion, the PI3USB14ZHE is a high-speed USB 2.0 switch that enables efficient sharing of a single USB port between two devices. With its low insertion loss, high bandwidth, and compact package, it offers a reliable solution for various applications requiring USB signal multiplexing.