HOLDUP TIME EXTENSION FOR POWER SUPPLY UNIT (PSU)

Organization Name

hewlett packard enterprise development lp

Inventor(s)

HOLDUP TIME EXTENSION FOR POWER SUPPLY UNIT (PSU)

This abstract first appeared for US patent application 20240258913 titled 'HOLDUP TIME EXTENSION FOR POWER SUPPLY UNIT (PSU)

Original Abstract Submitted

a power supply unit comprises holdup circuitry and a controller. the holdup circuitry comprises a supply line, a ground line, a first holdup capacitor, a second holdup capacitor, and switching circuitry. the switching circuitry switches the holdup circuitry between a first configuration in which the first holdup capacitor and second holdup capacitor are coupled in parallel between the supply line and the ground line and a second configuration in which the first holdup capacitor and second holdup capacitor are coupled in series between the supply line and the ground line. the controller is configured to detect that an output voltage of the holdup circuitry has dropped to a threshold voltage and, in response, control the switching circuitry to cause the holdup circuitry to change from the first configuration to the second configuration.