Dialog Expands AC/DC Portfolio, Targeting High Power Density PSUs with ZVS Technology

12.07. 2021 | News
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Dialog Semiconductor announced the availability of its innovative digital Zero Voltage Switching (ZVS) chipset to enable 100 Watt and beyond High Power Density (HPD) Power Supply Units (PSUs) that are 30-50% smaller than conventional high power PSUs.

Dialog’s easy-to-use 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 iW709 further reduces the overall component count.

It also provides seamless multi-mode control for up to 94% efficiency and eliminates audible noise for high power charging with safe, cool operation in a small physical charger size. It’s low standby power of less than 20mW delivers an eco-friendly solution. The chipset offers robust protection for over-voltage (OVP), over-current (OCP), user-configurable over-temperature, shoot-through, brown-in/brown-out VSENSE/ISENSE short, output short, and extra primary-side OCP and OVP (more info).

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