公开(公告)号：US20180309361A1

公开(公告)日：2018-10-25

申请号：US15497010

申请日：2017-04-25

Applicant: Cirrus Logic International Semiconductor Ltd.

Inventor： Jingjing YU ,  Christian LARSEN

IPC: H02M3/02 ,  H03K19/0185 ,  H02M7/538

CPC classification number: H02M3/02 ,  H02M1/08 ,  H02M3/158 ,  H02M7/538 ,  H02M2001/0006 ,  H02M2001/0032 ,  H02M2003/1552 ,  H03K19/018514 ,  Y02B70/16

Abstract: In accordance with embodiments of the present disclosure, a system for power conversion may include a power converter comprising a power inductor and a switch coupled to the power inductor and a predriver system for electrically driving a gate of the switch, the predriver system configured to operate in a plurality of modes including a high-power mode in which the predriver system is supplied with electrical energy from a first power supply having a first supply voltage and a low-power mode in which the predriver system is supplied with electrical energy from a second power supply having a second supply voltage significantly lesser than the first supply voltage.