公开(公告)号：US10459510B1

公开(公告)日：2019-10-29

申请号：US16250953

申请日：2019-01-17

Applicant: QUALCOMM Incorporated

Inventor： Raghavendra Srinivas ,  Uday Shankar Mudigonda ,  Giby Samson ,  Ramaprasath Vilangudipitchai ,  Dorav Kumar

IPC: H03K19/00 ,  H03K17/28 ,  G06F1/32 ,  G06F1/3234 ,  H03K17/693 ,  H03K17/284

Abstract: In certain aspects, an apparatus includes a first plurality of power switch devices. Each of the first plurality of power switch devices includes a delay line having a programmable time delay, and a power switch coupled between a supply rail and a circuit block, wherein the power switch has a control input coupled to the delay line. The apparatus also includes a switch manager configured to program the time delays of the delay lines in the first plurality of power switch devices based on a number of active circuit blocks in a system.