US 12,247,657 B2
Shift device and vehicle electronic control unit
Masaru Matsubara, Kariya (JP); Motofumi Miyake, Kariya (JP); and Kazunori Takagi, Kariya (JP)
Assigned to AISIN CORPORATION, Aichi (JP)
Appl. No. 18/015,908
Filed by AISIN CORPORATION, Aichi (JP)
PCT Filed Oct. 19, 2021, PCT No. PCT/JP2021/038567
§ 371(c)(1), (2) Date Jan. 12, 2023,
PCT Pub. No. WO2022/085673, PCT Pub. Date Apr. 28, 2022.
Claims priority of application No. 2020-178032 (JP), filed on Oct. 23, 2020.
Prior Publication US 2023/0279945 A1, Sep. 7, 2023
Int. Cl. H02P 23/18 (2016.01); F16H 61/32 (2006.01)
CPC F16H 61/32 (2013.01) [H02P 23/183 (2016.02); F16H 2061/326 (2013.01); H02P 2201/07 (2013.01)] 7 Claims
OG exemplary drawing
 
1. A shift device, comprising:
a switching unit that controls operation of a motor that drives a speed change mechanism;
a motor driver unit for driving the switching unit;
a control unit that controls the motor driver unit;
a motor power supply path that supplies electric power to the switching unit;
a system power supply path that supplies electric power to the control unit; and
a buck-boost unit that is provided in the system power supply path and that converts the electric power supplied from the system power supply path to a predetermined voltage and output the voltage, wherein
electric power is supplied to the control unit via the buck-boost unit, and
the electric power supplied to the motor driver unit is changed from the system power supply path to the motor power supply path based on a voltage.