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Analog Devices, Inc. : Analog Devices' Advanced Digital Power Controller Targets High Efficiency, Isolated Power Supplies

04/12/2012 | 08:05am US/Eastern

Analog Devices, Inc. (ADI), a global leader in high-performance semiconductors for signal-processing applications, today introduced the ADP1046 digital power controller for high efficiency AC-to-DC and isolated DC-to-DC power supply systems. The ADP1046 is a flexible controller with seven PWM (pulse width modulation) logic outputs that can be easily programmed using an easy-to-use graphic user interface (GUI) with I2C interface. The device can be used to control and drive most power supply topologies including resonant mode for high efficiency. The ADP1046 is pin compatible with ADI's award winning, ADP1043A but offers advanced features and greater flexibility, including voltage feed-forward for fast line transient response; dedicated control loop configuration to improve loop response and reduce output noise; and adaptive dead-time control for enhanced efficiency across the entire load range. The ADP1046 is specifically designed for high efficiency AC-to-DC power supplies used in server, storage and networking applications and isolated DC-to-DC supplies including intermediate bus and radio power amplifier applications.

Analog Devices New Advanced Digital Controller for High Efficiency Power Supplies (Photo: Business W ...

Analog Devices New Advanced Digital Controller for High Efficiency Power Supplies (Photo: Business Wire)

More About the ADP1046 Digital Power Controller

The ADP1046 power controller is easily programmed using an intuitive graphical-user interface which enables customers to design and optimize robust systems without the complex code programming required by alternative DSP (digital signal processor) based devices. The I2C interface allows read-back of key parametric data and enables extensive programmability of operation and fault handling. Based on Analog Devices' precision, high speed A/D converter technology, the ADP1046 is suited to parallel and redundant power supply operation and offers analog and digital current sharing functions and control of the external OR-FET for redundant power supply applications.

Key ADP1046 Features and Benefits:

  • Flexible, easy to use, digital controller for high efficiency AC-to-DC and isolated DC-to-DC power supply systems.
  • GUI programmability promotes ease of use and reduces time to market.
  • Digital control loop with seven logic PWM logic signals to drive most power supply topologies including resonant mode for high efficiency.
  • Voltage feed-forward improves line transient response.
  • Dedicated loop filters for soft start, light load and normal load offer improved. loop response and enhance design flexibility.
  • Adaptive dead-time control for improved efficiency across the entire load range.
  • Current share and OR-ing control for use in parallel and redundant systems.
  • User accessible 8K byte EEPROM.
  • I2C interface allows extensive programming and telemetry.

Availability, Pricing and Complementary Components

Product      

Full
Production

     

Temperature
Range

     

Price Each
Per 1,000

      Packaging
ADP1046       Now       -40°C to +85°C       $4.50       32-lead LFCSP

ADP1046-100-EVALZ

      Now       --       $600.00       --

The ADP1046 digital controller is designed to complement the high-speed MOSFET drivers and ADI's iCoupler® digital isolators in isolated power systems, and the ADP1047 and ADP1048 power factor correction digital controllers in AC-to-DC systems. These devices facilitate easy implementation of intelligent power management for greater energy efficiency.

About Analog Devices

Innovation, performance, and excellence are the cultural pillars on which Analog Devices has built one of the longest standing, highest growth companies within the technology sector. Acknowledged industry-wide as the world leader in data conversion and signal conditioning technology, Analog Devices serves over 60,000 customers, representing virtually all types of electronic equipment. Celebrating over 40 years as a leading global manufacturer of high-performance integrated circuits used in analog and digital signal processing applications, Analog Devices is headquartered in Norwood, Massachusetts, with design and manufacturing facilities throughout the world. Analog Devices' is included in the S&P 500 Index.

Follow ADI on Twitter at http://www.twitter.com/ADI_News

To subscribe to Analog Dialogue, ADI's monthly technical journal, visit: http://www.analog.com/library/analogDialogue/

Trademarks and registered trademarks are the property of their respective owners

Photos/Multimedia Gallery Available: http://www.businesswire.com/cgi-bin/mmg.cgi?eid=50230339&lang=en

Analog Devices Inc.
Joe Dussi, 781-937-1612
joe.dussi@analog.com
or
Porter Novelli
Andrew MacLellan, 617-897-8270
andrew.maclellan@porternovelli.com


© Business Wire 2012
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