公开(公告)号：US11829168B2

公开(公告)日：2023-11-28

申请号：US17088066

申请日：2020-11-03

Applicant: QUALCOMM Incorporated

Inventor： Matthew Severson ,  Timothy Zoley ,  Lipeng Cao ,  Kevin Bradley Citterelle ,  Richard Gerard Hofmann

IPC: G05F1/46 ,  G01K7/18 ,  G01R19/00 ,  G06F1/3206 ,  G06F1/324 ,  H05K1/18 ,  H05K1/16 ,  G01K7/42 ,  G06F1/3296 ,  G01R19/32 ,  G01R1/20 ,  G01R19/165 ,  G01R19/25 ,  G06F15/78 ,  G06N5/04

CPC classification number: G05F1/46 ,  G01K7/18 ,  G01R19/0092 ,  G06F1/324 ,  G06F1/3206 ,  H05K1/181 ,  H05K2201/10151

Abstract: An apparatus including a printed circuit board (PCB) including a sense resistor; and an integrated circuit (IC) mounted on the PCB, wherein at least a portion of the IC draws current from a power rail, wherein the sense resistor is coupled between the power rail and the IC, wherein the sense resistor is configured to produce a sense voltage in response to the current drawn by the at least portion of the IC, and wherein the IC includes a current sensor configured to generate a signal indicative of the current drawn by the at least portion of the IC based on the sense voltage.

公开(公告)号：US11829172B2

公开(公告)日：2023-11-28

申请号：US17679811

申请日：2022-02-24

Applicant: QUALCOMM Incorporated

Inventor： Vijayakumar Ashok Dibbad ,  Fredrick Bontemps ,  Matthew Severson ,  Timothy Zoley

IPC: G05F1/62 ,  G05F1/56 ,  G01R19/165

CPC classification number: G05F1/56 ,  G01R19/16571 ,  G05F1/62

Abstract: An aspect of the disclosure relates to an apparatus including: an integrated circuit (IC) including one or more cores, and a current limit detection circuit; a voltage regulator; an inductor coupled between the voltage regulator and the one or more cores of the IC; and a current sensing circuit including inputs coupled across the inductor and an output coupled to the current limit detection circuit of the IC.