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Dialog Semiconductor expands AC/DC portfolio

Dialog Semiconductor expands AC/DC portfolio Dialog Semiconductor has announced the availability of its digital Zero Voltage Switching (ZVS) chipset to enable 100W and beyond High Power Density (HPD) Power Supply Units (PSUs) that are 30-50% smaller than conventional high power PSUs. AC/DC converters have been challenged by thermal constraints associated with the efficiency of the device, but with Dialog’s ZVS chipset, designers will be able to reduce component size and BOM cost to enable smaller form-factor, lighter weight power supplies, including travel adapters for smartphones, tablets, laptops, power tools, and other portable devices. The ZVS RapidCharge solution includes the iW9801 primary-side controller and the iW709 secondary-side USB PD protocol IC. The secondary-side digital compensation loop ensures stability and eliminates the need for extra compensation components. The integrated synchronous rectifier controller in the secondary-side iW7

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