Circuit Dessert

Reference designs, plated like recipes.

Circuit Dessert is an open repository of fun circuits and reference designs from across the industry. Every design is credited to its maker, laid out like a recipe, and linked back to the original source.

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A cookbook for circuits.

Datasheets tell you what a part can do. Reference designs show you how to use it. Circuit Dessert gathers reference designs from many manufacturers, credits each one to its maker, and plates the best as recipes: the parts list as ingredients, the features as the method.

Featured designs

Power / DC-DC Buck

SY21219-DS: SY21219 6 A synchronous buck: 5 V at 6 A from up to 30 V

Reference circuit from the SY21219 datasheet: a 6 A synchronous buck for 5 V from 4.5–30 V at 500 kHz in QFN2×3-14, with the full bill of materials, design equations, a worked example and layout notes.

The Pantry

1 reference design in the Pantry

Grouped by brand, shown as published, and linked to their sources.

Parts

1 part, checked against datasheets

Specs verified against the manufacturer's datasheet, with our own notes on using them.

Designs from the kitchens of

Silergy

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Open to hobbyists, students, and working engineers.

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