US 12,225,671 B2
Electronic control unit capable of suppressing an increase in size of a board
Tomohiro Fukuda, Hitachinaka (JP)
Assigned to Hitachi Astemo, Ltd., Hitachinaka (JP)
Appl. No. 17/642,872
Filed by Hitachi Astemo, Ltd., Hitachinaka (JP)
PCT Filed Aug. 14, 2020, PCT No. PCT/JP2020/030853
§ 371(c)(1), (2) Date Mar. 14, 2022,
PCT Pub. No. WO2021/059792, PCT Pub. Date Apr. 1, 2021.
Claims priority of application No. 2019-176097 (JP), filed on Sep. 26, 2019.
Prior Publication US 2022/0400560 A1, Dec. 15, 2022
Int. Cl. H05K 5/00 (2006.01); H02M 7/00 (2006.01); H02M 7/44 (2006.01); H05K 1/02 (2006.01); H05K 1/14 (2006.01)
CPC H05K 5/0069 (2013.01) [H05K 1/0207 (2013.01); H05K 1/144 (2013.01); H02M 7/003 (2013.01); H02M 7/44 (2013.01); H05K 2201/0191 (2013.01); H05K 2201/042 (2013.01); H05K 2201/10189 (2013.01)] 11 Claims
OG exemplary drawing
 
1. An electronic control unit comprising:
a connector including a power supply terminal;
a first board including an inner-layer conductor and provided with a power conversion circuit that converts input power input via the power supply terminal into predetermined output power; and
a second board including an inner-layer conductor and provided with a control circuit,
wherein a thickness of the inner-layer conductor of the first board is thicker than a thickness of the inner-layer conductor of the second board, and
wherein the thickness of the inner-layer conductor of the first board is 1.7 to 2.3 times the thickness of the inner-layer conductor of the second board.