ON Semiconductor Is Now To learn more about onsemi, please visit our website at www.onsemi.com onsemi andand other names, marks, and brands are registered and/or common law trademarks of Semiconductor Components Industries, LLC dba onsemi or its affiliates and/or subsidiaries in the United States and/or other countries. onsemi owns the rights to a number of patents, trademarks, copyrights, trade secrets, and other intellectual property. A listing of onsemi product/patent coverage may be accessed at www.onsemi.com/site/pdf/Patent-Marking.pdf. onsemi reserves the right to make changes at any time to any products or information herein, without notice. The information herein is provided as-is and onsemi makes no warranty, representation or guarantee regarding the accuracy of the information, product features, availability, functionality, or suitability of its products for any particular purpose, nor does onsemi assume any liability arising out of the application or use of any product or circuit, and specifically disclaims any and all liability, including without limitation special, consequential or incidental damages. Buyer is responsible for its products and applications using onsemi products, including compliance with all laws, regulations and safety requirements or standards, regardless of any support or applications information provided by onsemi. Typical parameters which may be provided in onsemi data sheets and/ or specifications can and do vary in different applications and actual performance may vary over time. All operating parameters, including Typicals must be validated for each customer application by customers technical experts. onsemi does not convey any license under any of its intellectual property rights nor the rights of others. onsemi products are not designed, intended, or authorized for use as a critical component in life support systems or any FDA Class 3 medical devices or medical devices with a same or similar classification in a foreign jurisdiction or any devices intended for implantation in the human body. Should Buyer purchase or use onsemi products for any such unintended or unauthorized application, Buyer shall indemnify and holdo nsemi and its officers, employees, subsidiaries, affiliates, and distributors harmless against all claims, costs, damages, and expenses, and reasonable attorney fees arising out of, directly or indirectly, any claim of personal injury or death associated with such unintended or unauthorized use, even if such claim alleges that onsemi was negligent regarding the design or manufacture of the part. onsemi is an Equal Opportunity/Affirmative Action Employer. This literature is subject to all applicable copyright laws and is not for resale in any manner. Other names and brands may be claimed as the property of others. FSA4476 USB Type-C analog audio switch with protection function September 2017 FSA4476 USB Type-C analog audio switch with protection function Features Description FSA4476 is a high performance USBType-C port Power Management multimedia switch which supports analog audio Primary power supply: VBAT, 2.7 V to 5.5 V headsets. FSA4476 allows the sharing of a common Second power supply VBUS, 4.0 V to 20 V USB Type-C port to pass USB2.0 signal, analog audio, sideband use wires and analog microphone signal. USB High Speed(480Mbps) Switch: FSA4476 also supports high voltage on CC port, SBU -3dB bandwidth: 1 GHz port and USB port on USB Type-C receptacle side. In 3 R Typical ON addition, FSA4476 supports USB Type-C dead battery application and dual power supply with VBAT rail and Audio switch VBUS rail. Negative rail capability: -3V to +3V THD+N = -110 dB 1 V , RMS VBAT VBUS f=20Hz~20 kHz,32 Load CC1 H CC1 CC1 CC 0.6 R Typical ON CC2 H Logic CC2 CC2 USB Type-C High voltage protection Receptacle 20V DC protection on CC port and SBU port GND GND FSA4476 SSRXp1 SSTXp1 L 16V DC protection on DP/R and DN/L port DN/L HPL SSRXn1 SSTXn1 DN HPR VBUS VBUS Over Voltage Protection: SBU2 CC1 Audio Codec R DP/R DN DP DP 5.8V (Typ) on CC port DP DN SENSE CC2 SBU1 MIC 4.5V (Typ) on SBU port MIC VBUS VBUS SBU2 SSTXn2 SSRXn2 4.5V (Typ) on DP/R and DN/L port SSTXp2 SSRXp2 SBU1 GND GND OMTP and CTIA pinout support GND M DN Support Audio Sense Path DP EN1 GPIO1 SupportDead Battery EN2 GPIO2 INT1 AP INT1 25-ball WLCSP Package (2.03mm x 2.03mm) SBU2 H SBU2 SBU1 H SBU1 CTL EN INT INT GND Applications Mobile Phone, Tablet, Notebook PC, Media Player Figure 1. Application Block Diagram Ordering Information Part Number Top Mark Package Description FSA4476UCX GR 25 Ball WLCSP 2016Semiconductor Components Industries, LLC www.onsemi.com FS A 44 76 Rev. 3.0.1