US 11,716,018 B2
Low weight isolated integrated single-stage AC-DC LED driver
Ignacio Castro, Gijon (ES); and Douglas Araujo Pedroso, Sao Borja (BR)
Assigned to GOODRICH CORPORATION, Charlotte, NC (US)
Filed by Goodrich Corporation, Charlotte, NC (US)
Filed on Jul. 16, 2021, as Appl. No. 17/377,430.
Claims priority of application No. 20186480 (EP), filed on Jul. 17, 2020.
Prior Publication US 2022/0021295 A1, Jan. 20, 2022
Int. Cl. H02M 1/42 (2007.01); H02M 1/00 (2006.01); H05B 45/355 (2020.01); H05B 45/38 (2020.01); H02M 3/335 (2006.01); B64D 41/00 (2006.01); H02M 1/08 (2006.01)
CPC H02M 1/4258 (2013.01) [H05B 45/355 (2020.01); B64D 41/00 (2013.01); B64D 2221/00 (2013.01); H02M 1/0058 (2021.05); H02M 1/08 (2013.01); H02M 1/4225 (2013.01); H02M 1/4241 (2013.01); H02M 3/33571 (2021.05); H05B 45/38 (2020.01)] 14 Claims
OG exemplary drawing
 
1. An integrated single stage ac-dc driver for powering LED loads comprising
a boost converter operating in a Discontinuous Conduction Mode, DCM, comprising a half-bridge;
a Zeta Asymmetrical Half Bridge, ZAHB, integrated with the boost converter such that the boost converter and the ZAHB share the half-bridge to perform power factor control, PFC, with a fixed duty cycle and control an output voltage.