Primarion Introduces Industry's Smallest Integrated Power Stage (iPS (TM))
18 February 2009 - 2:33AM
Marketwired
Primarion, an Infineon Technologies (FRANKFURT: IFX) (NYSE: IFX)
subsidiary and a mixed-signal semiconductor company that designs,
manufactures and markets power integrated circuits (ICs),
introduces the PX4650 and PX4640, industry's smallest integrated
power stage (iPS?) offering superior performance for high power
density solutions required by servers, storage equipment and
routers.
High Efficiency and Density Driven
Primarion's PX4650 and PX4640 accommodate current industry
demands for higher power density in space constrained applications
and integrated modules by minimizing the number of external
components. The new power stage integrates low RDSon N-Channel
MOSFETs for both high and low side FETs together with high and low
side MOSFET drivers. Full integration of drivers and FETs minimizes
switching losses while providing industry's leading high power
density integrated solutions.
"Efficiency has become a key industry driver in the computing
and data storage industry," said Deepak Savadatti, vice president
of marketing at Primarion. "With Primarion iPS?, the inherent low
RDSon that improves on mid- to full-load efficiency and along with
low switching losses that benefit light load efficiency, are the
key advantages differentiating our product in the market. The
overall performance of iPS?-based solutions offers high efficiency
across the entire operating range."
When combined with Primarion's digital multiphase or Di-POL?
controllers, PX4650 and PX4640 offer a complete high current small
form factor voltage regulation solution that supports an average
output current of up to 50A in 24mm(2) (per phase) surface area
with superior system efficiency, high output voltage accuracy, fast
transient response and extensive protection features. With such
capability, Primarion is able to provide the industry with the
highest density Vcore and memory power solutions that achieve 92 to
94 percent efficiency.
Complete Protection with Design Flexibility
Both PX4650 and PX4640 contain a number of self-protection
features. Primarion's integrated pulse-by-pulse peak current limit
provides instantaneous response to any over-current conditions. The
PX4650 and PX4640 also have integrated temperature sensors that
provide on-die measurement of FETs' junction temperatures. When
used with Primarion controllers, this feature provides accurate and
programmable over-temperature protection.
Design benefits of the PX4650 and PX4640 include: a standard
footprint that offers scalability and ease of PCB layout; flexible
and simplified design that achieves reliable performance; reduced
board space and fewer component count which lower the solution
cost; low RDSon that yields higher efficiency; process and
temperature independent current sensor that provides accurate over
current protection; and a 20-lead QFN package which offers small
footprint with ease of manufacturability. All these features are
ready to meet manufacturers' needs for the highest power density in
the industry.
Summary of Features:
-- Fully integrated drivers with high-side and low-side output FETs in
QFN package
-- Highest power density solution when combined with Primarion� Digital
Multiphase or Di-POL? controllers
-- 50A (PX4650) or 40A (PX4640) output current carrying capability per
power stage
-- Greater than 92% efficiency for Vcore multiphase solutions
-- Input Under Voltage Protection (IUVP)
-- Average Current Limit protection when combined with a Primarion
Digital Controller
-- Integrated Pulse-by-Pulse Peak Current Limit (P2CL)
-- Integrated over-temperature protection
-- Temperature Monitor
-- Switching Frequency 200kHz - 1.3 MHz
-- Three-state PWM input compatible (3.3V or 5.0V)
-- RoHS compliant 4mm x 6mm QFN package
Availability
Primarion's PX4650 and PX4640 are now available for general
sampling.
More information about PX4650 and PX4640 is available by
contacting Primarion at (866) 321-7746 or by visiting the company's
Web site at http://www.primarion.com.
About Primarion:
Primarion, an Infineon Technologies (FRANKFURT: IFX) (NYSE: IFX)
subsidiary, is a mixed-signal integrated circuit company that
addresses key inflection points in power conversion and power
management driven by the exploding demand for digital content and
information. Primarion's digital power ICs are positioned to beat
traditional analog power ICs in cost per amp and performance, while
offering features with advantages that grow with each new processor
generation. Headquartered in Torrance near Los Angeles, Calif.
(USA), the company also has an Asian regional office in Taipei,
Taiwan. Infineon Technologies AG is a Neubiberg, Germany based
company, which operates through its subsidiaries in the U.S. from
Milpitas, Calif., in the Asia-Pacific region from Singapore, and in
Japan from Tokyo. Additional information is available online at
http://www.primarion.com.
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Company Contact: Deepak Savadatti Vice President, Marketing
Primarion 310.602.5500 deepak.savadatti@primarion.com Media
Relations Contact: Mitch Ahiers 408-503-2791
mitch.ahiers@infineon.com
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