Power Supplies are electronic products and modules designed to provide a stable and controlled source of electrical power to other circuits or systems. They convert, regulate, and distribute energy from an input source into one or more usable output power rails with defined electrical characteristics.

Within the broader Power category, power supplies serve as the primary interface between available energy sources and electronic loads, supporting consistent operation and protecting downstream circuitry through managed power delivery.

• Core function: Power conversion and regulation to deliver usable electrical power.
• Common forms: Standalone units, embedded modules, and board-level power solutions.
• Key elements: Input conditioning, conversion stages, regulation/control circuitry, and output distribution.