It’s not entirely clear why [Advanced Tinkering] needs a 50,000-volt power supply, but given the amount ... To ensure everything stays safe in the high-voltage stage, he took the precaution ...

What we could perhaps all agree on, though, is that getting 300 volts out of a USB power supply is ... the safest looking circuits we’ve seen in recent memory. Every high voltage part is hidden ...

Power Integrations (NASDAQ: POWI), the leader in high-voltage integrated circuits for energy-efficient power conversion, ...

A power tip that discusses how to address highly integrated USB PD charger design constraints with a self-biasing circuit.