Pericom Announces USB Sleep-and-Charge Solution for Notebook and Mobile Device Chargers

New USB Switch Allows PC-Based Charge of USB Device While OS Is in "Sleep" Mode

SAN FRANCISCO, CA--(Marketwire - September 21, 2009) - Pericom Semiconductor Corporation (NASDAQ: PSEM), a leading supplier of high-speed connectivity, timing and signal-conditioning silicon and quartz solutions, today announced its new USB sleep-and-charge solution for notebooks and third party dedicated chargers for mobile devices.

New PowerNap™ technology allows the user to quickly connect and charge USB-enabled handheld mobile devices without waking up the PC, and is also known as "sleep-and-charge" functionality. Pericom's PI5USB56 all-in-one USB PowerNap™ controller is the first of the PI5USB5X series with auto-detection and auto-switching support for mobile device charging, based on Pericom's new patent-pending PowerNap™ technology.

Additionally, with the PI5USB56 IC, system designers do not need to consider any software intervention requirements, since the IC supports automatic detection and switching. "Major OEMs are already implementing PowerNap™ solutions to support the sleep-and-charge features in their products," said Abdullah Raouf, Product Manager of USB Switch Solutions at Pericom.

"According to Gartner Group (April 2009), 150M mobile PCs will ship in 2010, with approximately 10% of this volume containing some type of added mobile device charging capability when USB enumeration is not available," said Raouf. "Our unique new charger IC can address most of these sockets and also offer the designer much value add to his notebook design with our PowerNap™ technology."

For more information about Pericom's USB solutions, please visit

Benefits & Features

PI5USB56 USB PowerNap™ controller fully supports USB1.1, USB2.0 full speed and high-speed specifications. It supports sleep-and-charge functionality per USB 1.0 charger spec, USB 1.1 charger spec, YD/T-1591 charger spec, and non-standard charging methods implemented in products such as Apple iPhone. It also offers ESD protection and Vbus short protection.

Pricing and Availability:

PI5USB56 is $1.15 10Ku and will be available in production December 2009, with samples available now.

About Pericom:

Pericom Semiconductor Corporation (NASDAQ: PSEM) enables serial connectivity with complete solutions for computing, communications and consumer market segments. Pericom's integrated circuits and SaRonix-eCera frequency control products provide the connectivity, timing and conditioning of high-speed signals required by today's electronic applications. Company headquarters are in San Jose, Calif., with design centers, sales and support offices around the globe.

PowerNap™ is a trademark of Pericom Semiconductor. All other trademarks are property of their respective owners.

Contact Information: Marketing contact: Abdullah Raouf PMM, USB Switch Pericom Semiconductor 3545 N 1st Street San Jose, CA 95134 408-435-0800 Press contact: Sacha Arts Bella Vista Communications Los Gatos, California, USA 408-356-3099

Pericom PowerNap for sleep-and-charge functionality