公开(公告)号：US20210080492A1

公开(公告)日：2021-03-18

申请号：US16943429

申请日：2020-07-30

Applicant: RENESAS ELECTRONICS CORPORATION

Inventor： Naohiro YOSHIMURA ,  Makoto TANAKA

IPC: G01R19/165 ,  H03K5/24 ,  H03K3/037

Abstract: A semiconductor device includes an output transistor that supplies a power to a load, a sense transistor that detects a load current of the output transistor, first and second transistors connected in parallel to an output of the sense transistor, an amplifier which has an inverting input coupled to an output of the output transistor, a non-inverting input coupled to the output of the sense transistor, and an output coupled to each gate of the first and second transistors, a first voltage converter coupled to an output of the first transistor, and a comparator that compares an output voltage of the first voltage converter with a predetermined voltage.