公开(公告)号：US10153631B2

公开(公告)日：2018-12-11

申请号：US14957430

申请日：2015-12-02

Applicant: STMicroelectronics S.R.L.

Inventor： Antonino Torres ,  Davide Giuseppe Patti

IPC: H02H3/08 ,  H02H9/02

Abstract: An electrical protection device including an input line, an output terminal, and a power transistor coupled between the input line and the output terminal A sensing transistor is connected between the input line and the output terminal and has a body terminal. A control stage is coupled to respective control terminals of the power transistor and of the sensing transistor and is configured to limit a first current of the power transistor to a protection value. A body-driving stage is coupled to the body terminal and is configured to bias the body terminal of the sensing transistor as a function of an operating condition of the power transistor.

公开(公告)号：US20160268796A1

公开(公告)日：2016-09-15

申请号：US14957430

申请日：2015-12-02

Applicant: STMicroelectronics S.R.L.

Inventor： Antonino Torres ,  Davide Giuseppe Patti

IPC: H02H3/08

CPC classification number: H02H3/08 ,  B62M6/90 ,  H02H9/025 ,  H03K2217/0018

Abstract: An electrical protection device including an input line, an output terminal, and a power transistor coupled between the input line and the output terminal A sensing transistor is connected between the input line and the output terminal and has a body terminal. A control stage is coupled to respective control terminals of the power transistor and of the sensing transistor and is configured to limit a first current of the power transistor to a protection value. A body-driving stage is coupled to the body terminal and is configured to bias the body terminal of the sensing transistor as a function of an operating condition of the power transistor.

Abstract translation: 耦合在输入线和输出端A感测晶体管之间的输入线，输出端和功率晶体管的电气保护装置连接在输入线和输出端之间，并具有主体端子。 控制级耦合到功率晶体管和感测晶体管的相应控制端，并被配置为将功率晶体管的第一电流限制到保护值。 身体驱动级耦合到身体终端，并且被配置为根据功率晶体管的操作条件来偏置感测晶体管的主体端子。