USB has become a universal interface for mobile applications, and the USB port has evolved from a pure data interface to a method of file transfer, battery charging, listening to music, and device factory programming. To better support the convergence of features on a single connector, Fairchild Semiconductor offers a new USB transceiver and USB accessory detection switch for richer functionality without adding design complexity and saving mobile handsets Design space and power consumption.
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Fairchild's micro-USB switches (FSA9280A) and USB transceivers (FUSB2500) use their proprietary signal path technology to bring significant design advantages to mobile design
• Auto Detect: The FSA9280A automatically detects attachments and configures the appropriate path for each attachment. The device is capable of detecting all accessories and chargers on the market and has multiple “reserved†resistors for new accessories such as blood glucose meters, electronic photo frames and audio docks. The FUSB2500 features integrated charger detection for charger detection without the need for additional components.
• Power Savings: The FSA9280A uses advanced sampling methods to minimize standby power consumption and extend battery life. Negative audio switching can also be provided in the application without consuming additional power, while competing solutions require a charge pump to do this. Both the FSA9280A and FUSB2500 feature a low-power standby feature that puts the device into standby when not in use.
• Audio fidelity: The FSA9280A leverages Fairchild's signal path and audio expertise to deliver an excellent 0.1% low overall harmonic distortion (THD) to optimize overall audio performance.
• Robust protection: The FSA9280A has a variety of built-in protection features. The FUSB2500 has excellent ESD protection of 15kV HBM, far exceeding the 2kV standard.
• Space saving: By integrating MOSFET and USB IP in one IC, the FSA9280A eliminates at least five additional components and reduces bill of materials (BOM) costs.
All of the above design features help to provide a rich user experience. The FSA9280A allows you to detect any imaginable attachment type and retain five user-definable attachments to lead a complete multimedia experience. The FSA9280A integrates data, charging, audio, headset and other accessory connectivity into one solution. Both devices are carefully optimized for power and feature a power-saving mode to help extend battery life for digital cameras, portable medical devices and mobile applications. Fairchild uses audio expertise to ensure signal integrity and add new features. Not only that, but Fairchild also offers the smallest possible design by integrating more features in a small package.
Fairchild's USB expertise, combined with its broad portfolio of USB switches, USB transceivers and audio, brings innovation to mobile design. Fairchild has pioneered the development of USB switches and has more than a decade of industry experience in USB transceiver technology development support. Fairchild will continue to invest in developing USB solutions to enhance mobile application design and enrich the user's end experience.
Price (order 1000, each): $1.00 for FUSB2500UCX devices $1 for FSA9280AUMX devices
Availability: Samples are available now
Delivery time: The standard delivery time of both products is 8 weeks
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