US 11,777,394 B1
Modular power supply architecture optimized for flat efficiency across loadings
Xiqun Zhu, Sunnyvale, CA (US); Sung Kee Baek, San Ramon, CA (US); Joel Goergen, Soulsbyville, CA (US); Doug Paul Arduini, San Ramon, CA (US); and Ruqi Li, Fremont, CA (US)
Assigned to CISCO TECHNOLOGY, INC., San Jose, CA (US)
Filed by Cisco Technology, Inc., San Jose, CA (US)
Filed on Apr. 20, 2022, as Appl. No. 17/724,985.
Int. Cl. H02M 1/00 (2006.01)
CPC H02M 1/0048 (2021.05) [H02M 1/0043 (2021.05)] 20 Claims
OG exemplary drawing
 
1. A method comprising:
obtaining a measure of output power for a power supply, the power supply comprising one or more output modules and an auxiliary power supply configured to provide operational power to components of the one or more output modules;
determining whether a maximum power rating of the auxiliary power supply is sufficient to provide the measure of output power; and
responsive to a determination that the maximum power rating of the auxiliary power supply is sufficient to provide the measure of the output power, directing the auxiliary power supply to provide the output power.