公开(公告)号：US20230216394A1

公开(公告)日：2023-07-06

申请号：US17646934

申请日：2022-01-04

Applicant: STMicroelectronics (Shenzhen) R&D Co. Ltd.

Inventor： Dino Costanzo ,  Xiyu Xu ,  Chengpan Cai

IPC: H02M1/00 ,  H02P5/685 ,  H02P5/505 ,  H02M7/493

CPC classification number: H02M1/0009 ,  H02P5/685 ,  H02P5/505 ,  H02M7/493

Abstract: An apparatus includes a first inverter configured to drive a first motor having a plurality of phases, the first inverter comprising a plurality of inverter legs, each of which is coupled to a corresponding phase of the first motor, a second inverter configured to drive a second motor having a plurality of phases, the second inverter comprising a plurality of inverter legs, each of which is coupled to a corresponding phase of the second motor, and a first current sensor configured to sense currents flowing in the first inverter and the second inverter, wherein the first current sensor is shared by at least by two inverter legs.

公开(公告)号：US11757345B2

公开(公告)日：2023-09-12

申请号：US17646934

申请日：2022-01-04

Applicant: STMicroelectronics (Shenzhen) R&D Co. Ltd.

Inventor： Dino Costanzo ,  Xiyu Xu ,  Chengpan Cai

IPC: H02M7/44 ,  H02M1/00 ,  H02M7/493 ,  H02P5/505 ,  H02P5/685

CPC classification number: H02M1/0009 ,  H02M7/493 ,  H02P5/505 ,  H02P5/685

Abstract: An apparatus includes a first inverter configured to drive a first motor having a plurality of phases, the first inverter comprising a plurality of inverter legs, each of which is coupled to a corresponding phase of the first motor, a second inverter configured to drive a second motor having a plurality of phases, the second inverter comprising a plurality of inverter legs, each of which is coupled to a corresponding phase of the second motor, and a first current sensor configured to sense currents flowing in the first inverter and the second inverter, wherein the first current sensor is shared by at least by two inverter legs.