← 返回 JSSC 论文列表JSSC 2020第3期Power ManagementLDO
Distributed Network of LDO Microregulators Providing Submicrosecond DVFS and IR
分布式LDO微调节器网络实现亚微秒级动态电压频率调节和IR降补偿
95.2%峰值能效，99.1%电流效率，82.3W/mm²功率密度
动态电压频率调节IR降补偿分布式LDO电荷泵加速混合栅极控制
▸分布式LDO微调节器网络实时校正供电网格电压
▸混合快慢通道pMOS栅极控制抑制纹波
▸带SC加速器的电荷泵实现17倍电压切换加速
Abstract
A distributed network of low-dropout (LDO)
microregulators (uREGs) senses and corrects the voltages at
multiple points on a power supply grid in a multi-core micro-
processor to reduce errors due to IR drops. A voltage regulator
controller (VREGC) compares the voltages at various points
on the grid to a programmable reference and delivers a set of
corrective 2-b up/down (UP/DN) codes (global feedback) to the
distributed uREGs across the core. Inside each uREG, the UP/DN
codes control a local cha