公开(公告)号：US20230308097A1

公开(公告)日：2023-09-28

申请号：US18328266

申请日：2023-06-02

Applicant: STMicroelectronics S.r.l.

Inventor： Vittorio D'Angelo ,  Salvatore Cannavacciuolo ,  Valerio Bendotti ,  Paolo Selvo ,  Diego Alagna

IPC: H03K17/567 ,  H03K3/017 ,  H03K7/08 ,  H03K17/687 ,  H03K17/689 ,  H03M1/50

CPC classification number: H03K17/567 ,  H03K3/017 ,  H03K7/08 ,  H03K17/687 ,  H03K17/689 ,  H03M1/504

Abstract: In an embodiment a method includes receiving, at an input of a low-voltage section of a gate driver, a PWM control signal with a switching frequency, providing, at an output of a high-voltage section of the gat driver, a gate-driving signal as a function of the PWM control signal to a power stage, wherein the high-voltage section is galvanically isolated from the low-voltage section, receiving, at a feedback input of the high-voltage section, at least one feedback signal indicative of an operation of the power stage, converting, at an ADC module of the high-voltage section, the feedback signal into a digital data stream, providing, to the ADC module, a conversion-trigger signal designed to determine a start of a conversion for acquiring a new sample of the feedback signal and sending, via an isolation communication channel between the low-voltage section and the high-voltage section, the digital data stream to the low-voltage section.

公开(公告)号：US20230006667A1

公开(公告)日：2023-01-05

申请号：US17807519

申请日：2022-06-17

Applicant: STMicroelectronics S.r.l

Inventor： Vittorio D'Angelo ,  Salvatore Cannavacciuolo ,  Valerio Bendotti ,  Paolo Selvo ,  Diego Alagna

IPC: H03K17/567 ,  H03K17/689 ,  H03K7/08 ,  H03K3/017 ,  H03M1/50

Abstract: In an embodiment an isolated gate driver device includes a low-voltage section having a control input configured to receive a PWM control signal with a switching frequency from a control stage, a high-voltage section, galvanically isolated from the low-voltage section the high-voltage section including a driving output configured to provide a gate-driving signal as a function of the PWM control signal to a power stage having at least one switch, a feedback input configured to receive at least one feedback signal indicative of an operation of the power stag, and an ADC module configured to convert the feedback signal into a digital data stream and a conversion-control module coupled to the ADC module and configured to provide a conversion-trigger signal designed to determine a start of a conversion for acquiring a new sample of the feedback signal.

公开(公告)号：US12191850B2

公开(公告)日：2025-01-07

申请号：US18328266

申请日：2023-06-02

Applicant: STMicroelectronics S.r.l.

Inventor： Vittorio D′Angelo ,  Salvatore Cannavacciuolo ,  Valerio Bendotti ,  Paolo Selvo ,  Diego Alagna

IPC: H03K17/00 ,  H03K3/017 ,  H03K7/08 ,  H03K17/18 ,  H03K17/567 ,  H03K17/687 ,  H03K17/689 ,  H03M1/50

Abstract: In an embodiment a method includes receiving, at an input of a low-voltage section of a gate driver, a PWM control signal with a switching frequency, providing, at an output of a high-voltage section of the gat driver, a gate-driving signal as a function of the PWM control signal to a power stage, wherein the high-voltage section is galvanically isolated from the low-voltage section, receiving, at a feedback input of the high-voltage section, at least one feedback signal indicative of an operation of the power stage, converting, at an ADC module of the high-voltage section, the feedback signal into a digital data stream, providing, to the ADC module, a conversion-trigger signal designed to determine a start of a conversion for acquiring a new sample of the feedback signal and sending, via an isolation communication channel between the low-voltage section and the high-voltage section, the digital data stream to the low-voltage section.

公开(公告)号：US11722133B2

公开(公告)日：2023-08-08

申请号：US17807519

申请日：2022-06-17

Applicant: STMicroelectronics S.r.l.

Inventor： Vittorio D'Angelo ,  Salvatore Cannavacciuolo ,  Valerio Bendotti ,  Paolo Selvo ,  Diego Alagna

IPC: H03K17/00 ,  H03K17/567 ,  H03K3/017 ,  H03K7/08 ,  H03K17/687 ,  H03K17/689 ,  H03M1/50

CPC classification number: H03K17/567 ,  H03K3/017 ,  H03K7/08 ,  H03K17/687 ,  H03K17/689 ,  H03M1/504

Abstract: In an embodiment an isolated gate driver device includes a low-voltage section having a control input configured to receive a PWM control signal with a switching frequency from a control stage, a high-voltage section, galvanically isolated from the low-voltage section the high-voltage section including a driving output configured to provide a gate-driving signal as a function of the PWM control signal to a power stage having at least one switch, a feedback input configured to receive at least one feedback signal indicative of an operation of the power stag, and an ADC module configured to convert the feedback signal into a digital data stream and a conversion-control module coupled to the ADC module and configured to provide a conversion-trigger signal designed to determine a start of a conversion for acquiring a new sample of the feedback signal.