公开(公告)号：US12027967B2

公开(公告)日：2024-07-02

申请号：US17490151

申请日：2021-09-30

Applicant: TEXAS INSTRUMENTS INCORPORATED

Inventor： Stephen Isaac Brink ,  Wei Da

IPC: H02M3/158 ,  H02M1/00 ,  H02M1/088 ,  H02M1/32 ,  H02M3/156

CPC classification number: H02M1/088 ,  H02M1/0048 ,  H02M1/32 ,  H02M3/158 ,  H02M3/156

Abstract: In an example, a method includes providing a signal to a driver for a switching voltage regulator to turn off a high-side field effect transistor (FET) of the switching voltage regulator. The method also includes reducing a voltage at a source of the high-side FET. The method includes responsive to the signal, turning off a pull-down FET coupled to a gate of the high-side FET. The method also includes commutating current from the high-side FET to a low-side FET.

公开(公告)号：US20240313653A1

公开(公告)日：2024-09-19

申请号：US18678510

申请日：2024-05-30

Applicant: TEXAS INSTRUMENTS INCORPORATED

Inventor： Henry L. Edwards ,  Wei Da ,  Stephen Brink ,  Joseph Maurice Khayat

IPC: H02M3/158 ,  H02M1/08 ,  H02M1/34

CPC classification number: H02M3/158 ,  H02M1/08 ,  H02M1/344

Abstract: A switching regulator includes a low-side switching transistor, a snubber transistor, a first pull-down transistor, and a second pull-down transistor. The low-side switching transistor includes a first current terminal and a second current terminal. The first current terminal is coupled to a switching node. The second current terminal is coupled to a ground terminal. The snubber transistor includes a first current terminal, a second current terminal, and a control terminal. The first current terminal is coupled to the switching node. The second current terminal is coupled to the ground terminal. The first pull-down transistor is coupled between the control terminal of the snubber transistor and the ground terminal. The second pull-down transistor is coupled between the control terminal of the snubber transistor and the ground terminal.

公开(公告)号：US12027978B2

公开(公告)日：2024-07-02

申请号：US17828259

申请日：2022-05-31

Applicant: TEXAS INSTRUMENTS INCORPORATED

Inventor： Henry L. Edwards ,  Wei Da ,  Stephen Brink ,  Joseph Maurice Khayat

IPC: H02M3/158 ,  H02M1/08 ,  H02M1/34

CPC classification number: H02M3/158 ,  H02M1/08 ,  H02M1/344

Abstract: A switching regulator includes a low-side switching transistor, a snubber transistor, a first pull-down transistor, and a second pull-down transistor. The low-side switching transistor includes a first current terminal and a second current terminal. The first current terminal is coupled to a switching node. The second current terminal is coupled to a ground terminal. The snubber transistor includes a first current terminal, a second current terminal, and a control terminal. The first current terminal is coupled to the switching node. The second current terminal is coupled to the ground terminal. The first pull-down transistor is coupled between the control terminal of the snubber transistor and the ground terminal. The second pull-down transistor is coupled between the control terminal of the snubber transistor and the ground terminal.