graphical user interface

By: Powervation  05/12/2011

The Digital Power Interface Center (DPIC) is Powervation’s graphical user interface (GUI) design tool.  This interface allows the user to communicate with the digital control IC on the power supply via the user’s computer.  The DPIC GUI runs on the user’s machine and exchanges information over a common USB connection.  Powervation evaluation boards are provided with a USB/I2C interface that allows the user to communicate with the control IC through its SMBus serial interface.

Using the GUI, the user is able to communicate with the Powervation controller to receive/monitor information from the power supply and IC, as well as program settings to the controller.  The user is able to view the power supply’s status, input/output voltages, output current, phase current sharing, and fault conditions detected by the controller.  More than 60 parameters (e.g., fSW, VOUT level, and protection and fault limits) may be configured and adjusted with the GUI environment.  While a great amount of flexibility is built into the GUI, the GUI’s design provides the user an intuitive environment in which to navigate.

To download the GUI and additional GUI information,


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For maximized efficiency over load conditions, we implemented several control techniques such as automatic, configurable phase add/drop and green modes (diode emulation, idle, standby, and remote power down), to reduce power consumption.