Sipex adds 7-channel lighting management unit for mobile backlighting

Date Announced: 05 Jul 2007 MILPITAS, Calif. -- Sipex Corporation (Nasdaq: SIPX - News) today announced the release of the SP7680, a seven channel, charge-pump based, Light Management Unit (LMU) designed for mobile display and keypad LED backlighting. The SP7680 is targeted at backlighting the main display, sub-display, and indicator functions. Seven LED driver channels are partitioned into three banks of four channels, two channels and one channel; however, the LEDs can be configured in numerous combinations to meet the needs of various lighting requirements. Each bank can be independently programmed through an I2C interface up to 31mA (63mA for the single channel bank) with 6-bit resolution. The SP7680 charge pump has gains of both 1x and 1.5x and, along with a driver dropout voltage of 0.2V, maximizes efficiency and extends the minimum input voltage range. The device operates at 2MHz, utilizes only 4 small capacitors and is offered in a 3x3mm QFN16 package, requiring minimum board space. "The SP7680, with its unique three bank LED driver design, delivers the ultimate flexibility in solving a wide variety of backlighting requirements making it an excellent choice for designers working across multiple design platforms," said Chris Lee, technical marketing manager for power products at Sipex. "This product is an excellent example of Sipex's focus on more proprietary, higher integration, system level solutions to drive more value for our customers," said Ed Lam, Vice President of Marketing for Sipex. "We have had excellent customer response to the functionality the SP7680 offers in mobile applications."Pricing and AvailabilityThe SP7680 is available in a Pb-free, thermally enhanced, 16-pin 3x3mm QFN package, and it is specified over the -40DegreesC to +85DegreesC temperature range. Pricing for these products begins at $1.50 in 1,000 piece quantities. Data sheets and additional information on this family and other Sipex product offerings may be found on the company website at http://www.sipex.com.

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