Sipex Corporation Awarded U.S. Patent for Adjusting a Switching Regulator Output for a Circuit Having a Pre-Charge Voltage

MILPITAS, Calif., Jan. 30 /PRNewswire-FirstCall/ -- Sipex Corporation a semiconductor company that is known for its high performance analog solutions today announced that it has been awarded U.S. Patent #6,922,041, for its invention of an apparatus for, and method of adjusting a switching regulator output for a circuit having a pre-charge voltage.

Obtaining the appropriate intellectual property protection for inventions is key to the continued development of the company. Solved by Sipex is focused on adding value to its customers by offering products with unique characteristics that solve real world issues.

"This patent eliminates the system requirement for direct current sensing when starting up integrated power supplies with a pre-charged output, it reduces circuit complexity and avoids sensitivity to noise typical in conventional designs. The patent covers implementations by either analog or digital circuits, and can be used for digital power management. Sipex uses this technology in its PWM controller family (6132, 6133, 6134, 6136, 6137, 6138) and its PowerBlox family (7650, 7651, 7652, 7655)," said Lee Cleveland, Sipex's Senior Vice President of Engineering.

About Sipex

Sipex Corporation is a semiconductor company that designs, manufactures and markets high performance, value-added analog integrated circuits (IC). Sipex serves the broad analog signal processing market with interface, power management and optical storage ICs for use in automotive, portable products, computing, communications, and networking infrastructure markets. The company is headquartered in Milpitas, California with additional offices in Belgium, Canada, China, Germany, Japan and Taiwan. Sipex sells products direct and through its distribution channels. For more information about Sipex, visit www.sipex.com.

Cautionary Statement Regarding Forward-Looking Statements

This release contains certain forward-looking statements that include, without limitation, statements about Sipex's continued development and its ability to add value to its customers. These forward-looking statements are subject to various risks and uncertainties that could cause actual results to differ materially, including, but not limited to the possibility that the general economic conditions within the semiconductor design and manufacturing industry will adversely affect Sipex's market opportunities.

    For Further Information Contact:

    Lee Cleveland
    Senior Vice President, Engineering
    Phone:  408-934-7500
    Fax:  408-935-7600

CONTACT: Lee Cleveland, Senior Vice President, Engineering of Sipex
Corporation, +1-408-934-7500, or fax, +1-408-935-7600

Web site: http://www.sipex.com/




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