US 12,462,960 B2
Semiconductor device, control device for transmission, and control method of electronic control unit
Keishi Komoriyama, Hitachinaka (JP); Yoichiro Kobayashi, Hitachinaka (JP); and Minoru Migita, Hitachinaka (JP)
Assigned to HITACHI ASTEMO, LTD., Ibaraki (JP)
Appl. No. 18/279,421
Filed by Hitachi Astemo, Ltd., Hitachinaka (JP)
PCT Filed Sep. 10, 2021, PCT No. PCT/JP2021/033310
§ 371(c)(1), (2) Date Aug. 30, 2023,
PCT Pub. No. WO2022/208933, PCT Pub. Date Oct. 6, 2022.
Claims priority of application No. 2021-057067 (JP), filed on Mar. 30, 2021.
Prior Publication US 2024/0186046 A1, Jun. 6, 2024
Int. Cl. H01H 47/00 (2006.01); F16H 61/12 (2010.01); H01F 7/06 (2006.01); H02M 3/16 (2006.01)
CPC H01F 7/064 (2013.01) [F16H 61/12 (2013.01); H02M 3/16 (2013.01); F16H 2061/1232 (2013.01); F16H 2061/1292 (2013.01)] 11 Claims
OG exemplary drawing
 
1. A semiconductor device comprising:
a first terminal that is connected to a battery power source;
a switching power supply circuit that steps down a battery voltage input from the first terminal;
a second terminal that is connected to a switching power source different from the battery power source;
a regulator circuit that steps down a voltage input from the second terminal; and
a predriver circuit that is connected to the regulator circuit.