Fairchild Semiconductor's Digital Power Controllers Deliver Highly Efficient and Flexible Point-of-Load Power Conversion Solutio
September 16 2008 - 11:00AM
Business Wire
Fairchild Semiconductor (NYSE: FCS) addresses energy-efficiency
specifications, such as Energy Star�, with its first point-of-load
digital power control and management products for communication and
computing applications. These products combine digital loop control
with highly integrated power management capabilities to offer
flexible, easy-to-design power delivery solutions and high
efficiency over the entire range from light to full load.
Incorporating innovative Digital-DC� power conversion architecture,
made available through the Fairchild-Zilker manufacturing
partnership, these products provide flexible power-stage options
and dynamically optimize efficiency as system conditions change.
This results in a full-load efficiency improvement up to three
percent and a light-load efficiency increase greater than 15
percent in typical applications, reducing peak power dissipation by
up to 20 percent. This significantly increases the overall
performance of communication, embedded computing and storage
applications, and addresses the Energy Star and Climate Savers
Computing efficiency guidelines. The FD2004, FD2004-01 and FD2006
digital power controllers and the FD1505 digital power support
driver are universal power building blocks. The controllers operate
with a wide input voltage range from as low as 3.0V up to 14V to
control output voltages as low as 0.54V and as high as 5.5V. They
can also be used alone or connected in parallel to address a wide
variety of load currents. The FD2006 integrates a controller with
3A MOSFET drivers that support loads in excess of 40A with no
external driver needed. The controller-only FD2004 can interface
with external driver/MOSFET ICs and power train modules to provide
power stage design flexibility. Like the FD2004, the FD2004-01 is
also a controller-only solution with the added benefit of the
industry�s best DC output voltage setpoint accuracy (�0.2 percent).
These products deliver accurate power to ever-increasing voltage
regulation accuracy requirements of today�s high-performance
embedded processors and ASICs. All of these controllers include
on-board I2C/SMBus compliant serial ports and support the
industry-standard PMBus� (Power Management Bus) command set. The
FD1505, a high-speed, high-current synchronous N-Channel
synchronous-buck MOSFET driver, is specifically designed for use
with the FD2004 and FD2004-01. The FD1505 has dual PWM inputs that
take advantage of the dynamic dead-time optimization from the
controllers to maximize power conversion efficiency. The device
combines +5A/-4A low-side drive with �3A high-side drive and up to
7.5V gate drive supply input to enable high efficiency at high
step-down ratios and high switching frequencies. The FD1505 also
provides an adjustable gate drive current feature which allows
configurations of 50 percent or 100 percent of its full rated drive
current. This feature optimizes performance across a wide range of
input/output voltage and output current requirements. These devices
use lead-free (Pb-free) terminals and have been characterized for
moisture sensitivity in accordance with the Pb-free reflow
requirements of the joint IPC/JEDEC standard J-STD-020. All of
Fairchild's products are designed to meet the requirements of the
European Union's Directive on the restriction of the use of certain
substances (RoHS). For additional information on Fairchild�s
digital power products, please visit:
http://www.fairchildsemi.com/digitalpower Price (each, 1000 pcs.):
The Fairchild Digital-DC controllers are packaged in a 5 x 5 mm
32-lead QFN and 6 x 6 mm 36-lead QFN packages with prices starting
from US $2.95. The FD1505 is packaged in a 3 x 3 mm DFN package
starting at $0.71. Samples: Available immediately with production
quantities in 12 weeks Contact Information: To contact Fairchild
Semiconductor about this product, please go to:
http://www.fairchildsemi.com/cf/sales_contacts/. For information on
other products, design tools and sales contacts, please visit:
http://www.fairchildsemi.com. Note to Editor: For a datasheet in
PDF format, please go to: http://www.fairchildsemi.com/digitalpower
About Fairchild Semiconductor: Fairchild Semiconductor (NYSE: FCS)
is a global leader delivering energy-efficient power analog and
power discrete solutions. Fairchild is The Power Franchise�,
providing leading-edge silicon and packaging technologies,
manufacturing strength and system expertise for consumer,
communications, industrial, portable, computing and automotive
systems. An application-driven, solution-based semiconductor
supplier, Fairchild provides online design tools and design centers
worldwide as part of its comprehensive Global Power ResourceSM.
Please contact us on the web at www.fairchildsemi.com.
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