FSA9280A: USB 2.0 Accessory Detection Switch w/ 28V FET

The FSA9280A is a high-performance multimedia switch featuring automatic switching and accessory detection for the USB port. This switch allows the sharing of a common USB port to pass audio, USB data / charging, as well as factory programmability. In addition, the FSA9280A integrates detection of accessories, such as headphones, headsets (MIC / button), car chargers, USB chargers, and UART data cables with the ability to use a common USB connector. The FSA9280A can be programmed for manual switching or automatic switching of data paths based on accessory detected. FSA9280A includes an integrated 28V over-voltage and 1.5A over-current protected FET. For the complete datasheet, samples, questions, or board requests; please contact analogswitch@fairchildsemi.com.

Features

• Headsets
  
• (Headphone/MIC/Remote)
  
• USB Data Port
  
• UART Serial Link
  
• USB Chargers (Car-Kit, CDP, DCP)
  
• Factory-Mode
  
• TTY Converter
  
• Battery Charging 1.1 Compliant
  
• Integrated Power FET
  
• Over-Voltage Protection (OVP) 28V
  
• Over-Current Protection (OCP) 1.5A
  
• 6.8V OVP
  

Application Notes