US 12,218,588 B2
Front-end architecture for a low-voltage power supply system
Shobha Ramanjani, Bangalore (IN)
Assigned to Hamilton Sundstrand Corporation, Charlotte, NC (US)
Filed by Hamilton Sundstrand Corporation, Charlotte, NC (US)
Filed on Aug. 26, 2022, as Appl. No. 17/896,864.
Claims priority of application No. 202141038946 (IN), filed on Aug. 27, 2021.
Prior Publication US 2023/0060456 A1, Mar. 2, 2023
Int. Cl. H02M 3/158 (2006.01); H02M 1/00 (2006.01); H02M 3/155 (2006.01)
CPC H02M 3/1557 (2021.05) [H02M 1/0096 (2021.05); H02M 3/158 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A front-end architecture system comprising:
a system voltage input; and
a controller electrically connected to the system voltage input, wherein the controller is configured to provide a voltage output to at least one controller output, wherein the controller includes:
a single-ended primary-inductor converter (SEPIC); and
an input monitoring and switchover circuit that includes at least one NPN transistor and at least one PNP transistor configured to be used for sensing an input voltage and turn ON/OFF at least one series pass MOSFET.