Here are 4 simple 12V power supply circuits with output voltages around 12V. First power supply circuit is built with BD139, one zener diode and a few passive components. Each of the schematic is very ...

While troubleshooting the power supply of a 1970s Centurion system, [Usagi Electrics] came across a fascinating feature of these units: the ferroresonant, or constant voltage transformer (CVT). The ...

SAN JOSE, Calif. & SAN FRANCISCO--(BUSINESS WIRE)--Power Integrations (NASDAQ: POWI), the leader in high-voltage integrated circuits (IC)s for energy-efficient power conversion, and SnapMagic, a ...

Switched-mode power supplies are found in electronics all around us. They provide the DC voltages that power our computers, cell phones, chargers, appliances, and myriad other electronic devices.

Crowbar circuits have long been the go-to safeguard against overvoltage conditions, prized for their simplicity and reliability. Though often overshadowed by newer protection schemes, the crowbar ...

For electricity to flow, everything needs to be connected in a big ring. It’s called a circuit. For example, the lights in most houses and flats are part of a circuit controlled by the consumer unit, ...

SAN JOSE, Calif. & SAN FRANCISCO–(BUSINESS WIRE)–#PowerIntegrations—Power Integrations (NASDAQ: POWI), the leader in high-voltage integrated circuits (IC)s for energy-efficient power conversion, and ...