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Document overview
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Technical content
Features
Signals Audio, USB, UART, USB Charging Switch Mechanism Automatic Switching with Available Interrupt Accessory Detection Headsets (Headphone/MIC/Remote) USB Data Port (SDP) UART Serial Link USB Chargers (Car-Kit, CDP, DCP) Factory-Mode TTY Converter USB FS and HS 2.0 Compliant USB Charging Battery Charging 1.1 Compliant (Including Optional DCD) Integrated Power FET Over-Voltage Tolerance (OVT) 28V Over-Current Protection (OCP) 1.5A Over-Voltage Protection (OVP) 6.8V Audio Left, Right, MIC, TTY VBAT 3 to 4.4V Programmability I2C ESD 15kV IEC 61000-4-2 Air Gap Package 20-Lead UMLP (3 x 4 x 0.55mm, 0.5mm Pitch) Ordering Information FSA9280AUMX
Description
The FSA9280A is a high-performance multimedia switch featuring automatic switchin g and accessory detection for the USB port. This switch allows 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 or automatic switching of data paths bas ed on accessory detected. FSA9280A includes an integrated 28V over-voltage and 1.5A over-current protected FET.
Applications
Mobile Phones & Portable Media Players Related Resources FSA9280A Evaluation Board Evaluation Board Users Guide For samples, questions or board requests; please contact analogswitch@fairchildsemi.com Figure 1. Typical Application
© 2011 Fairchild Semiconductor Corporation www.fairchildsemi.com FSA9280A • Rev 1.0.9 2 FSA9280A — USB Port Multimedia Switch, Featuring Automatic Select and Accessory Detection Table of Contents
Figure 30. 20-Lead Ultrathin Molded Leadless Package (UMLP), 3 x 4 x 0.55mm, 0.5mm Pitch therein, which covers Fairchild products. Always visit Fairchild Semiconductor’s online packaging area for the most recent package drawings: http://www.fairchildsemi.com/packaging/. B. DIMENSIONS ARE IN MILLIMETERS. D. DRAWING FILENAME: MKT-UMLP20Arev1.
0.10 CAB
0.55 MAX
© 2011 Fairchild Semiconductor Corporation www.fairchildsemi.com FSA9280A • Rev 1.0.9 30 FSA9280A — USB Port Multimedia Switch, Featuring Automatic Select and Accessory Detection