公开(公告)号：US20240329934A1

公开(公告)日：2024-10-03

申请号：US18194877

申请日：2023-04-03

Applicant: Allegro MicroSystems, LLC

Inventor： Ahmed Hassan Fahmy ,  Leandro Fuentes ,  Khalid Chishti

IPC: G06F7/58 ,  G06F1/04

CPC classification number: G06F7/58 ,  G06F1/04

Abstract: A system comprising: a clock configured to generate a clock signal, the clock signal being arranged to have N type-1 features in a given time period, each of the N type-1 features of the clock signal being generated in a different one of a plurality of time slots of the given time period; a signal generator configured to generate a randomized signal based on the clock signal, the randomized signal being generated by selecting M time slots from the plurality of time slots and transitioning the randomized signal from a first value to a second value in each of the selected M time slots, wherein M and N are positive integers and M

公开(公告)号：US11770322B1

公开(公告)日：2023-09-26

申请号：US17661311

申请日：2022-04-29

Applicant: Allegro MicroSystems, LLC

Inventor： Leandro Fuentes ,  Manuel Rivas ,  Ezequiel Rubinsztain

IPC: H04L43/50 ,  G01R33/07 ,  G01R33/06

CPC classification number: H04L43/50 ,  G01R33/066

Abstract: A two-wire electronic circuit can sense a voltage across terminals of a transistor and control an electrical current of the two-wire electronic circuit in accordance with the sensed voltage.

公开(公告)号：US11630130B2

公开(公告)日：2023-04-18

申请号：US17218315

申请日：2021-03-31

Applicant: Allegro MicroSystems, LLC

Inventor： Ezequiel Rubinsztain ,  Leandro Fuentes ,  Juan Guido Salaya Velazquez

IPC: G01R15/20 ,  G01R33/00

Abstract: A sensor includes: a reference magnetic field generator configured to generate a reference magnetic field that is modulated at a first frequency, a first magnetic field sensing element that is configured to generate a first internal signal that is modulated at a second frequency, and a second magnetic field sensing element that is configured to generate a second internal signal that is modulated at the second frequency. A first amplifier is configured to receive the first internal signal and output a first amplified signal; and a second amplifier is configured to receive the second internal signal and output a second amplified signal. A gain adjustment circuit is configured to produce a gain adjustment signal and adjust a gain of at least one of the first amplifier and the second amplifier based on the gain adjustment signal.

公开(公告)号：US20220317161A1

公开(公告)日：2022-10-06

申请号：US17218315

申请日：2021-03-31

Applicant: Allegro MicroSystems, LLC

Inventor： Ezequiel Rubinsztain ,  Leandro Fuentes ,  Juan Guido Salaya Velazquez

IPC: G01R15/20 ,  G01R33/00

Abstract: A sensor includes: a reference magnetic field generator configured to generate a reference magnetic field that is modulated at a first frequency, a first magnetic field sensing element that is configured to generate a first internal signal that is modulated at a second frequency, and a second magnetic field sensing element that is configured to generate a second internal signal that is modulated at the second frequency. A first amplifier is configured to receive the first internal signal and output a first amplified signal; and a second amplifier is configured to receive the second internal signal and output a second amplified signal. A gain adjustment circuit is configured to produce a gain adjustment signal and adjust a gain of at least one of the first amplifier and the second amplifier based on the gain adjustment signal.

公开(公告)号：US11218161B1

公开(公告)日：2022-01-04

申请号：US17098905

申请日：2020-11-16

Applicant: Allegro MicroSystems, LLC

Inventor： Leandro Fuentes ,  Manuel Rivas ,  Patricio Hernan Perez Preiti ,  Bruno Luis Uberti ,  Alejandro Gabriel Milesi

IPC: H03M3/00 ,  H03M1/18 ,  H03M1/06 ,  H03K5/24

Abstract: A tracking ADC with adaptive slew rate boosting can dynamically adjust one or more of its operational parameters in response to detecting a slew rate limit condition. In some embodiments, slew rate boosting can include increasing the value of a digital error signal in response to detection of a slew rate limit condition. In other embodiments, slew rate boosting can include increasing a clock frequency of the tracking ADC in response to detection of a slew rate limit condition.