公开(公告)号：US20200099295A1

公开(公告)日：2020-03-26

申请号：US16428588

申请日：2019-05-31

Applicant: TEXAS INSTRUMENTS INCORPORATED

Inventor： Ariel Dario MOCTEZUMA ,  Hasibur RAHMAN ,  William KRENIK ,  Yanqing LI

IPC: H02M3/158 ,  H02M1/088 ,  H01L29/78

Abstract: A system includes an inductor, and a first switch coupled between a first end of the inductor and a voltage supply node. The system also includes a second switch coupled between the first end of the inductor and a negative output supply node, wherein the second switch comprises a self-operated arrangement. The system also includes a third switch coupled between a second end of the inductor and a positive output supply node. The system also includes a fourth switch coupled between the second end of the inductor and a ground node. The system also includes a controller coupled to the first, second, third, and fourth switches.