公开(公告)号：US10230300B2

公开(公告)日：2019-03-12

申请号：US15497010

申请日：2017-04-25

Applicant: Cirrus Logic International Semiconductor Ltd.

Inventor： Jingjing Yu ,  Christian Larsen

IPC: G05F1/56 ,  H02M3/158 ,  H02M3/02 ,  H02M7/538 ,  H03K19/0185 ,  H02M1/08 ,  H02M1/00 ,  H02M3/155

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.