公开(公告)号：US11736018B2

公开(公告)日：2023-08-22

申请号：US17370609

申请日：2021-07-08

Applicant: STMicroelectronics (Rousset) SAS

Inventor： Sebastien Ortet ,  Didier Davino

IPC: H02M3/158 ,  H02M1/00

CPC classification number: H02M3/1588 ,  H02M1/0009 ,  H02M1/0025

Abstract: An embodiment electronic device includes a first circuit including first and second transistors series-coupled between a node of application of a power supply voltage and a node of application of a reference voltage, the first and second transistors being coupled to each other by a first node, and a second circuit, configured to compare a first voltage on the first node with first and second voltage thresholds.

公开(公告)号：US20220038003A1

公开(公告)日：2022-02-03

申请号：US17370609

申请日：2021-07-08

Applicant: STMicroelectronics (Rousset) SAS

Inventor： Sebastien Ortet ,  Didier Davino

IPC: H02M3/158 ,  G05F1/56 ,  H02M1/00 ,  G01R19/00

Abstract: An embodiment electronic device includes a first circuit including first and second transistors series-coupled between a node of application of a power supply voltage and a node of application of a reference voltage, the first and second transistors being coupled to each other by a first node, and a second circuit, configured to compare a first voltage on the first node with first and second voltage thresholds.

公开(公告)号：US20240097701A1

公开(公告)日：2024-03-21

申请号：US18463844

申请日：2023-09-08

Applicant: STMicroelectronics (Rousset) SAS

Inventor： Michel Cuenca ,  Didier Davino

IPC: H03M1/70

CPC classification number: H03M1/70

Abstract: One embodiment provides a digital-to-analog converter that includes an output amplifier configured to be powered with a controllable power supply voltage and a ground reference voltage. The output amplifier is configured to generate an analog output signal having a dynamic range centered on a common-mode voltage. The output amplifier includes a common-mode adaptation circuit configured to position a level of the common-mode voltage at a level located in a middle portion of an interval of voltages located between the power supply voltage and the ground reference voltage, according to an effective level of the power supply voltage.

公开(公告)号：US10862396B2

公开(公告)日：2020-12-08

申请号：US16599450

申请日：2019-10-11

Applicant: STMicroelectronics (Rousset) SAS

Inventor： Sebastien Ortet ,  Didier Davino ,  Cedric Thomas

IPC: H02M3/158 ,  H02M1/36

Abstract: An electronic device includes a switched-mode power supply having a first operating phase during which the output node of the switched-mode power supply is coupled by an on switch to a source of a first reference voltage. The first operating phase is followed by a second operation phase during which the output node of the switched-mode power supply is in a high impedance state. While in the second operating phase, a capacitor connected to the output node of the switched-mode power supply at least partially discharges into a load.

公开(公告)号：US12199511B2

公开(公告)日：2025-01-14

申请号：US17680022

申请日：2022-02-24

Applicant: STMicroelectronics (Rousset) SAS

Inventor： Sebastien Ortet ,  Didier Davino ,  Remi Collette

IPC: H02M3/158 ,  H02M1/00 ,  H02M1/08 ,  H02M3/157 ,  H03K5/24

Abstract: In an embodiment, a voltage converter is configured to operate by a succession of operating cycles, each cycle comprising an energy accumulation phase and an energy restitution phase, wherein the converter is further configured to determine a duration of one of the phases by comparing a voltage ramp and a first reference voltage, and wherein a slope of the voltage ramp depends on a sign of a current in an inductor at an end of a previous operating cycle.

公开(公告)号：US11539295B2

公开(公告)日：2022-12-27

申请号：US17089213

申请日：2020-11-04

Applicant: STMicroelectronics (Rousset) SAS

Inventor： Sebastien Ortet ,  Didier Davino ,  Cedric Thomas

IPC: H02M3/158 ,  H02M1/36

Abstract: An electronic device includes a switched-mode power supply having a first operating phase during which the output node of the switched-mode power supply is coupled by an on switch to a source of a first reference voltage. The first operating phase is followed by a second operation phase during which the output node of the switched-mode power supply is in a high impedance state. While in the second operating phase, a capacitor connected to the output node of the switched-mode power supply at least partially discharges into a load.

公开(公告)号：US20220321009A1

公开(公告)日：2022-10-06

申请号：US17680022

申请日：2022-02-24

Applicant: STMicroelectronics (Rousset) SAS

Inventor： Sebastien Ortet ,  Didier Davino ,  Remi Collette

IPC: H02M3/158 ,  H02M1/08 ,  H03K5/24 ,  H02M3/157

Abstract: In an embodiment, a voltage converter is configured to operate by a succession of operating cycles, each cycle comprising an energy accumulation phase and an energy restitution phase, wherein the converter is further configured to determine a duration of one of the phases by comparing a voltage ramp and a first reference voltage, and wherein a slope of the voltage ramp depends on a sign of a current in an inductor at an end of a previous operating cycle.