US 12,149,175 B2
Body brake control for multistage power converter
Salvatore Leone, Milan (IT); and Alessandro Zafarana, Milan (IT)
Assigned to SEMICONDUCTOR COMPONENTS INDUSTRIES, LLC, Scottsdale, AZ (US)
Filed by SEMICONDUCTOR COMPONENTS INDUSTRIES, LLC, Phoenix, AZ (US)
Filed on Oct. 6, 2022, as Appl. No. 17/938,397.
Prior Publication US 2024/0120840 A1, Apr. 11, 2024
Int. Cl. H02M 3/158 (2006.01); H02M 1/00 (2007.01)
CPC H02M 3/1586 (2021.05) [H02M 1/0038 (2021.05)] 20 Claims
OG exemplary drawing
 
8. A controller for operating a multistage power converter, the controller comprising:
a body brake controller configured to:
determine a target body brake time period for setting a load current of the multistage power converter below a predetermined threshold,
activate a body brake condition for the multistage power converter, and
deactivate the body brake condition after the target body brake time period following an activation of the body brake condition; and
a switch driver configured to:
generate a plurality of driving signals to drive each stage in the multistage power converter, and
adjust the plurality of driving signals to turn off each of the stages when the body brake condition is active.