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Primarion, an Infineon Technologies (FSE: IFX)(NYSE: IFX) subsidiary and
a mixed-signal semiconductor company that designs, manufactures and
markets digital power integrated circuits (ICs), today introduced its
PX3560, a digital multi-phase controller for VR11.1 core power
regulation for the server and storage markets.
Taking Power Efficiency to new Heights
With autonomous phase dropping features that provide high efficiency
across the entire operating range, Primarion’s Power
On Demand PX3560 addresses key industry and regulatory initiatives
to cut energy usage in computing and data storage markets.
Fully Compliant with Intel® VR11.1
Specifications
The PX3560 features a power state indicator (PSI) mode, which provides
high efficiency at light loads with its dynamic phase dropping
capability, as well as an output pin (IMON) for current monitoring.
Unlike competing analog solutions, the PX3560 allows the system to shed
any number of phases based on the average current defined by the user to
optimize the efficiency across the entire operating range. Phases
dropped at lighter loads increase efficiency by several percentage
points and significantly reduce the cost of energy usage over the life
of the product. The controller optimizes the loop compensation based on
the number of active phases to provide a stable system operation. The
second generation of its proprietary active transient response (ATR2)
technology enables the systems to meet stringent transient requirements,
while requiring only 800uF MLCC output capacitors for VR11.1 compliance.
Multi-Phase Controller for Power Conversion
With up to six phases, each capable of 1 MHz operation, the PX3560 can
be used to build DC-DC converters, which provide up to 200A with
excellent efficiency across the entire operating range. Interleaved
timing of the channels results in a higher ripple frequency, minimizing
input and output voltage ripple. The PX3560 incorporates an industry
standard I2C compliant serial interface and on-chip non-volatile memory
(NVM) for real-time system control. This allows the power supply
designer to quickly optimize designs and monitor system performance.
Upon startup, superior load line accuracy is achieved through internal
calibration that measures and corrects current sense errors.
“Light load efficiency has become a key
industry driver in the computing market,” said
Deepak Savadatti, vice president of marketing at Primarion. “With
its autonomous phase shedding capabilities, the PX3560 provides
high-efficiency not only at light load, but across the entire operating
range. The loop compensation is optimized on the fly during the PSI mode
to provide a stable operation, while responding to large transients.
With the announcement of this product, we are meeting the challenging
power delivery needs of today’s and tomorrow’s
computing platforms.”
“Improvement in energy efficiency through
smart power management is going to be critical for future computing and
data storage applications both from cost and environmental impact
perspectives,” says Frost & Sullivan Research
Analyst Amit Dixit. “This industry commitment
is reflected in participation of leading component and system
manufacturers in groups such as the Climate Savers Computing Initiative.”
Primarion’s Graphical User Interface
Simplifies Design Process
The PX3560 is supported with an intuitive and user-friendly graphical
user interface (GUI). The new and improved GUI takes the designer
step-by-step through the process of debugging and modifying the power
system design. The ease with which the GUI can be used to intelligently
manage the design process contributes to reducing the final product’s
time to market.
One-Stop Shop for Digital Power Management
Primarion is leading the industry to address smart power needs of CPUs,
GPUs, ASICs, FPGAs and memory within the computing, graphics, and
datacom markets.
Through continuous innovation in technology, and with its broad product
portfolio, Primarion continues to drive mass adoption of digital power
management by providing power supply designers with easy-to-use products
that improve the efficiency, stability and flexibility of the systems
they are building.
Summary of Features:
-- Compliant to Intel(R) VR 11.1 specifications
-- Power state indicator (PSI) mode for improved efficiency at light
load operation
-- Current monitor (IMON)
-- Multiphase power conversion
-- 1- to 6-phase operation
-- Proprietary active transient response (ATR2) enables systems to
meet transient requirements with only 800uF MLCC output capacitance
-- 100 kHz to 1 MHz switching frequency
-- Internal, non-volatile memory (NVM) to store custom configurations
-- Internal high precision voltage reference
-- +/-10mV set-point accuracy
-- Extensive fault detection capability (3 user configurable fault
pins)
-- Input under-voltage
-- Output under/over-voltage
-- Total output current
-- Peak phase current pulse limiting
-- Multiple internal and external temperature limits
-- Open voltage sense
-- NVM configuration
-- Calibration range and time-out
-- Precise current sense calibration
-- Precise current balancing with programmable offsets for thermal
balancing
-- Digitally programmable load line and loop compensation
-- Differential voltage sense
-- Temperature sensor compensation
-- Configurable latched fault or autonomous recovery shutdown
-- Single +3.3V supply operation
-- RoHS-compliant, 48-lead MLF plastic package
Availability
Already sampling with customers, Primarion’s
PX3560 is now available to general market. The PX3560 is available in a
RoHS-compliant, 7mm-x-7mm 48-lead QFN package. More information about
the PX3560 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 (FSE/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, performance and features with advantages that grow with
each new processor generation. Headquartered in Torrance near Los
Angeles, California (USA), the company also has an Asian regional office
in Taipei, Taiwan. Additional information is available online at http://www.primarion.com.