Diodes USB Type-C Port Switch Supports Legacy Analog, Data Signals

June 12, 2019 Brandon Lewis

Diodes released the PI3A6386 USB Type-C multimedia port switch that supports legacy analog and data peripherals. For instance, USB 2.0 or 3.5 mm audio signals can be passed through USB Type-C to extend the life of existing peripherals. A crosstalk rejection of -85 dB at 30 kHz ensures minimal interference between data and audio channels.

The CMOS-based PI3A6386 port switches provide high-quality audio without noise or signal distortion, and an ON resistance of 1Ω. The devices include an autonomous microphone and ground line switching. Programmable soft-start and soft-stop eliminates the popping associated with DC-coupled audio signals.

Other features include:

  • Support for USB Type-C Audio Accessory Mode, as well as USB 2.0 HS and FS signals
  • Total Harmonic Distortion of -110 dB from 20 Hz to 20 kHz with a 2V RMS signal running into a 32Ω load
  • Accepts supply voltages of 1.7V to 5.5V, with the ability to process signals of ±3V
  • TQFN-24 packaging

The PI3A6386 is priced at $0.68 in quantities of 3000. More information is available at www.diodes.com.

About the Author

Brandon Lewis

Brandon Lewis, Editor-in-Chief of Embedded Computing Design, is responsible for guiding the property's content strategy, editorial direction, and engineering community engagement, which includes IoT Design, Automotive Embedded Systems, the Power Page, Industrial AI & Machine Learning, and other publications. As an experienced technical journalist, editor, and reporter with an aptitude for identifying key technologies, products, and market trends in the embedded technology sector, he enjoys covering topics that range from development kits and tools to cyber security and technology business models. Brandon received a BA in English Literature from Arizona State University, where he graduated cum laude. He can be reached by email at brandon.lewis@opensysmedia.com.

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