SuperRange:适用于STV和NTV计算的宽操作范围功率输送设计

2014 Design, Automation & Test in Europe Conference & Exhibition (DATE) Pub Date : 2014-03-24 DOI:10.7873/DATE.2014.159

Xin He, Guihai Yan, Yinhe Han, Xiaowei Li

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引用次数: 8

摘要

现代处理器的负载功率范围大大扩大，因为许多先进的电源管理技术，如动态电压频率缩放，涡轮增压和近阈值电压技术被纳入。但是，省电可能会被供电中的功率损失所抵消;此外，由于不同负载条件下的供电效率差异很大，传统的供电设计无法在整个电压范围内保持高效率。我们提出SuperRange，一个大范围的电力输送方案。SuperRange补充了片上稳压器和片外稳压器的电力输送能力。实验结果表明，在宽工作范围内，SuperRange的平均功率转换效率为70%，优于传统的功率传输方案。此外，它还表现出对电力受限系统的超强弹性。

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SuperRange: Wide operational range power delivery design for both STV and NTV computing

The load power range of modern processors is greatly enlarged because many advanced power management techniques like dynamic voltage frequency scaling, Turbo boosting, and Near Threshold Voltage technologies are incorporated. However, the power saving may be offset by power loss in power delivery; moreover, as the efficiency of power delivery varies greatly with different load conditions, conventional power delivery designs cannot maintain high efficiency over the entire voltage range. We propose SuperRange, a wide operational range power delivery scheme. SuperRange complements the power delivery capability of on-chip voltage regulator and off-chip voltage regulator. Experimental results show SuperRange has an average 70% power conversion efficiency over wide operational range which outperforms conventional power delivery schemes. And it also exhibits superior resilience to power-constrained systems.

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2014 Design, Automation & Test in Europe Conference & Exhibition (DATE)

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