• "The CYPD4225 is definitely not rated for space. I have no idea if it would work in space."

    This is fun, but also detailed. USB-PD chargers need a microcontroller to do power negotiation. So how powerful is a USB-C PD charger compared to, say, the Apollo 11 guidance computer? Forrest Heller goes into some detail – not just comparing clock speed, but also looking at memory, and clock-cycles per operation.