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Modular Ac-Dc Switching Power Supplies Are Digitally Controlled

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Modular Ac-Dc Switching Power Supplies Are Digitally Controlled

Corinne Litchfield
A digitally controlled ac/dc switching power supply can be programmed for specific parameters.

A new line of switching power supplies features advanced digital management capabilities. The iMP series of ac-dc switching power supplies from Astec Power (Carlsbad, CA) includes a range of hardware modules. Single-, dual-, and triple-output modules, in power ratings from 600 to 1500 W, allow designers to build custom solutions. Modules can be configured in a selection of four customizable MP cases. Cases can hold up to seven modules, with a choice of outputs ranging from 2 to 60 V dc. Input voltages of 85–264 V ac or 120–350 V dc are available.

“This new breed of switching power supplies uses integrated digital resources to provide smart communication,” says Astec product marketing director Chris Jones. “The control features in the iMP series will enable designers to fine-tune power during the development process.” In addition, the onboard microprocessor allows engineers to adjust such factors as voltage, current, fan speed, and sequencing.

Users can set key features on each output. Voltage, enable and sequencing module, inhibit and enable polarity, dc okay thresholds, current limit set-point and type, and overtemperature thresholds can be programmed using the iMP- series intelligent I2C control. The systems can also capture configuration and parametric data for each output.

Copyright ©2006 Medical Product Manufacturing News
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