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Power supply design software gets upgrade

Posted: 19 Feb 2009     Print Version  Bookmark and Share

Keywords:power supply design software 

PI Expert Suite v7.1.4

Power Integrations has released the latest version of its power supply design software, PI Expert Suite v7.1.4. The newly released module, which supports Power Integrations' new HiperPLC controller IC, speeds the design of resonant LLC power supplies with power factor correction (PFC) by eliminating tedious iterative magnetic design.

HiperPLC combines PFC and LLC controllers in a single IC. Targeting high-efficiency offline converters from 200 to 600 watts, HiperPLC minimises the cost of magnetic components and high-voltage bulk storage capacitors by synchronising the PFC and LLC converter stages. Applications for HiperPLC include LCD TVs, PC power supplies up to 80+ Gold (92% efficiency), LED street lights, telecom power systems, and a wide range of industrial applications.

PI Expert Suite v7.1.4 features the automatic selection of series and parallel resonant element values from user-defined output load requirements and nominal switching frequency. The software also insures zero-voltage switching (ZVS) under all LLC load conditions.

PI Expert automatically calculates losses in key power elements of the PFC and LLC power stages and performs PFC boost choke power loss and magnetic field intensity (H) calculations for the PFC choke design. The new software provides a visualisation tool which graphically illustrates a design's switching frequency versus output power, enabling the designer to specify appropriate verification experiments to confirm reliable operation of the final product under a wide range of operating conditions.

PI Expert Suite v7.1.4, with fully supported English and simplified Chinese versions, can be downloaded at


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