LED Driver suits mobile display and keypad LED backlighting.July 17, 2007 -
Available in 3 x 3 mm QFN16 package, Model SP7680 is targeted at backlighting main display, sub-display, and indicator functions. Seven LED driver channels are partitioned into 3 banks of 4 channels, 2 channels, and one channel, and each bank can be independently programmed through I2C interface up to 31 mA (63 mA for single channel bank) with 6-bit resolution. With -40 to +85°C operating temperature range, device operates at 2 MHz and utilizes 4 small capacitors.
(Archive News Story - Products mentioned in this Archive News Story may or may not be available from the manufacturer.)
Original Press release
Sipex Corp.
223 S. Hillview Dr.
Miliptas, CA, 95035-1701
USA
Sipex Adds 7-Channel Lighting Management Unit to Mobile Backlighting Portfolio
The 3 Bank SP7680 LED Driver Maximizes Flexibility for Multiple Backlighting Configurations
MILPITAS, Calif., June 26 /- Sipex Corporation (NASDAQ:SIPX) 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 Availability
The 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/.
About Sipex Corporation
Sipex Corporation is an analog semiconductor company that addresses standard linear and application specific standard products (ASSP) for customer systems that are primarily targeted at the consumer, networking and industrial markets. The products are categorized into three synergistic areas of power management, interface and optical storage. Sipex is a global company with operations in Asia, Europe and North America. It is the mission of the company to create innovative analog products that enable customers to produce differentiated products. For more information about Sipex, visit http://www.sipex.com/.
Source: Sipex Corporation
CONTACT:
Chris Lee of Sipex Corporation,
+1-408-635-7446,
fax, +1-408-935-7678,
clee@sipex.com
Web site: http://www.sipex.com/
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