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December 10, 2007

OKI Increases its Lineup of Power Management LSIs for Mobile Devices

By Anil Sharma, TMCnet Contributing Editor

Oki Electric Industry Co., Ltd. has launched eight new models of power management LSIs suitable for mobile devices. The new LSIs, (Large Scale Integration electronic integrated circuit) which will be available from January 2008, are designed to provide low power consumption, low noise and high efficiency.

“We entered the power management LSI market in July 2006 to leverage our strength in manufacturing technologies for high-voltage and lower power consumption devices, which are widely used in manufacturing processes and TFT LCD driver LSIs. The models we add today significantly reduce power consumption which means longer battery life for mobile devices,” Takaki Yamada, President of Silicon Microdevice Company at Oki Electric Industry said in a press release.
“Going forward we will continue to provide various kinds of power management LSIs with a variety of functions, not only for mobile and portable devices but also for flat panel displays and printers.”
New mobile devices, such as mobile phones, require longer batter life as they are becoming increasingly sophisticated day by day with built-in cameras, music players, and TV tuners for one-segment broadcasting and capability for handling electronic money.
OKI’s (News - Alert) new low drop out (LDO) regulator provides power consumption of 50–100nA in standby mode and 3–12μA in no-load mode thereby bringing an 80–90% reduction in power consumption compared to the industry standard, and is ideal for sophisticated mobile devices.
LDO is a regulator used to create a stable DC voltage by utilizing a continuous linear analog control, which operates even when the difference between input and out put current is small.
The efficiency of OKI’s step-down DC/DC converter is 95% at an output current of 500mA, which is higher than conventional converters, thus offering an attractive solution as the main power supply for digital still cameras.
Don’t forget to check out TMCnet’s White Paper Library, which provides a selection of in-depth information on relevant topics affecting the IP Communications industry. The library offers whitepapers, case studies and other documents which are free to registered users.
Today’s Featured White paper is titled Accelerating 3G Mobile Video Communications brought to you by HP.


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