FSUSB22BQX

Product Overview

Category

FSUSB22BQX belongs to the category of USB switch ICs.

Use

It is primarily used for switching between two USB sources in electronic devices.

Characteristics

• Package: The FSUSB22BQX comes in a small form factor package.
• Essence: It provides a convenient solution for USB signal switching.
• Packaging/Quantity: The IC is typically packaged in reels or tubes, with varying quantities per package.

Specifications

The FSUSB22BQX has the following specifications:

• Supply Voltage Range: 2.7V to 5.5V
• On-State Resistance: 4Ω (typical)
• Bandwidth: Up to 480Mbps
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The FSUSB22BQX has a total of 10 pins, which are configured as follows:

1. VBUS1: Power supply for USB port 1
2. D+1: Data line 1
3. D-1: Data line 1
4. GND1: Ground for USB port 1
5. VBUS2: Power supply for USB port 2
6. D+2: Data line 2
7. D-2: Data line 2
8. GND2: Ground for USB port 2
9. SEL: Control pin for selecting the active USB port
10. GND: Common ground

Functional Features

The FSUSB22BQX offers the following functional features:

• USB Signal Switching: It allows seamless switching between two USB sources.
• Low On-State Resistance: The low resistance ensures minimal signal loss during switching.
• High-Speed Data Transfer: With a bandwidth of up to 480Mbps, it supports high-speed USB data transfer.

Advantages and Disadvantages

Advantages: - Compact Size: The small form factor package makes it suitable for space-constrained designs. - Easy Integration: It can be easily integrated into various electronic devices. - Reliable Performance: The IC provides reliable signal switching without compromising data integrity.

Disadvantages: - Limited Port Count: It supports switching between only two USB sources, which may not be sufficient for certain applications. - Lack of Advanced Features: The FSUSB22BQX does not offer additional advanced features like power delivery or USB Type-C support.

Working Principles

The FSUSB22BQX operates by selectively connecting the D+ and D- lines of the desired USB port to the corresponding lines of the downstream device. The SEL pin is used to control the switching between the two USB ports. When SEL is set to logic high, USB port 1 is active, and when SEL is set to logic low, USB port 2 becomes active.

Detailed Application Field Plans

The FSUSB22BQX finds applications in various electronic devices that require USB signal switching. Some potential application fields include:

1. Computer Peripherals: It can be used in docking stations, USB hubs, or KVM switches.
2. Consumer Electronics: It can be incorporated into smart TVs, gaming consoles, or multimedia players.
3. Mobile Devices: It can be utilized in smartphones, tablets, or portable media players.

Detailed and Complete Alternative Models

Some alternative models to the FSUSB22BQX are:

1. FSUSB42BQX: A similar USB switch IC with four USB ports.
2. FSUSB23BQX: Another USB switch IC with three USB ports and additional advanced features.
3. FSUSB12BQX: A basic USB switch IC with a single USB port.

These alternative models provide different port counts and additional functionalities to cater to specific design requirements.

In conclusion, the FSUSB22BQX is a USB switch IC that enables seamless switching between two USB sources. Its compact size, reliable performance, and high-speed data transfer make it suitable for various electronic devices. However, its limited port count and lack of advanced features may restrict its use in certain applications.