ON Semiconductor

How USB-C Power Delivery is Revolutionizing Mobile Devices

In partnership with christine@eetech.com - eetechchristine


The AC to DC adapter industry is in an exciting time where the interoperability of devices is increasing, as more is required from power adapters.  The change in environment has accelerated the evolution of power adapter design for mobile devices, from the days of proprietary wall warts and bricks, to the latest challenges presented by USB-C Power Delivery standard and COC Tier 2 efficiency requirements.  These new technical challenges are coupled with the charger use changing from a device that was plugged in the corner, to a necessary accessory. With adapters forced into the spot light, consumers are now demanding smaller, aesthetically pleasing, charges with small charge times. To help designers solve today’s challenges, several new solutions will be presented, including High frequency Quasi-Resonant (QR) Flyback and Active Clamp Flyback (ACF).

Key Points to be Discussed:

1.   Current market trends for Mobile Devices
2.   How adapter design evolved to meet government regulations
3.   How to move to the next level of efficiency
4.   The move toward universal smart power charging


Bryan McCoy: 

Bryan is an applications engineer at ON Semiconductor developing ac to dc and dc to dc products in the consumer, industrial and telecommunications space. Prior to his employment at ON Semiconductor, he developed ac to dc and dc to dc charger products for Mobility Electronics. He has published numerous technical papers and has 6 patents issued. Bryan McCoy obtained his Bachelor of Science degree in Electrical Engineering from Arizona State University in 2004. He also holds an Associates degree in avionics technology and served four years in the Air Force as an F-16 Specialist.

Jefferay Lawton:

Jefferay is a product marketing engineer at ON Semiconductor where he supports new product development for ac to dc and isolated dc to dc products.  Jefferay has over a decade of product marketing experience in the semiconductor industry, with a focus on power management, analog, and mixed-signal products.  He received his Master of Science in Engineering from Arizona State University in 2007.

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