US 11,942,870 B2
Power supply unit with autonomous input power limiting
Donald Cedrick Ongyanco, Quezon (PH); Joey De Guzman, Antipolo (PH); Vincent Vicente Vivar, Calumpit (PH); Ricardo Bernado Roldan, Jr., Mandaluyong (PH); and Arvin San Juan, Carmona (PH)
Assigned to Astec International Limited, Kowloon (HK)
Filed by Astec International Limited, Kowloon (HK)
Filed on Feb. 28, 2023, as Appl. No. 18/175,832.
Application 18/175,832 is a continuation of application No. 17/144,507, filed on Jan. 8, 2021, granted, now 11,601,063.
Prior Publication US 2023/0283192 A1, Sep. 7, 2023
This patent is subject to a terminal disclaimer.
Int. Cl. H02M 7/04 (2006.01); H02M 1/32 (2007.01); H02M 3/04 (2006.01)
CPC H02M 7/04 (2013.01) [H02M 1/32 (2013.01); H02M 3/04 (2013.01)] 19 Claims
OG exemplary drawing
 
1. A method, comprising:
scaling a reference current based on a constant current adjustment, the constant current adjustment generated based on an input power and an input power limit;
generating an output current adjustment based on the scaled reference current; and
regulating an output voltage based on the output current adjustment.