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ADP1053:  Three-Channel Digital Power Supply Controller

Product Details

Product Status:Recommended for New Designs

The ADP1053, based on a voltage mode PWM architecture, is a flexible, application dedicated digital controller designed for isolated and nonisolated dc-to-dc power supply applications. The ADP1053 enables highly efficient power supply design and facilitates the introduction of intelligent power management techniques to improve energy efficiency at a system level.

The ADP1053 provides control, monitoring, and protection of up to three independent channel outputs. The eight flexible PWM outputs can be configured as three independent channels: two regulated channels with feedback control plus one additional unregulated channel with a fixed duty cycle. The frequency of these three channels can be programmed individually from 50 kHz to 625 kHz; all channels can be synchronized internally or to an external signal.

All eight PWM outputs can also be assigned to enable a singlechannel solution, which may be required in high power, high efficiency applications.

Features include differential voltage sensing, fast current sensing, flexible start-up sequencing and tracking, and synchronization between devices to reduce low frequency system noise. Protection and monitoring features include overcurrent protection (OCP), undervoltage protection (UVP), overvoltage protection (OVP), and overtemperature protection (OTP).

APPLICATIONS

  • AC-to-DC power supplies
  • Isolated dc-to-dc power supplies
  • Intermediate rail power supplies
  • Nonisolated dc-to-dc power converter

FEATURES and BENEFITS

  • Configurable 8-PWM engine with up to 3 channels
  • 2 independent digitally controlled channel outputs
  • Voltage mode PWM control with 625 ps resolution
  • Remote voltage sensing on both channels
  • Programmable compensation filters
  • Voltage feedforward option
  • Flexible start-up sequencing and tracking
  • Switching frequency:
    50 kHz to 625 kHz
  • Frequency synchronization
  • Independent channel protections: OVP and OCP
  • 2 independent OTP circuits
  • See data sheet for additional features

Functional Block Diagram for ADP1053

Design Tools,Models,Drivers & Software

Title Content Type File Type
ADP1053 Software
This software is used to program the ADP1053. It is truly graphic and interactive. Power design engineers with no prior programming experience can use the software to monitor and quickly adjust functions like PWM timings, frequency, filter settings, protection limits, etc.
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Evaluation Kits & Symbols & Footprints

Symbols and Footprints— Analog Devices offers Symbols & Footprints which are compatible with a large set of today’s CAD systems for broader and easier support.

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Price, packaging, availability

ADP1053 Model Options
Price Table Help

The USA list pricing shown is for BUDGETARY USE ONLY, shown in United States dollars (FOB USA per unit for the stated volume), and is subject to change. International prices may differ due to local duties, taxes, fees and exchange rates. For volume-specific price or delivery quotes, please contact your local Analog Devices, Inc. sales office or authorized distributor. Pricing displayed for Evaluation Boards and Kits is based on 1-piece pricing.


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