Adaptive Voltage Scaling Technique for DC-DC Converter Based on Pulse Skip Modulation

WANG Dongjun; LUO Ping; PENG Xuanlin; ZHEN Shaowei; HE Yajuan

doi:10.11999/JEIT160283

Volume 39 Issue 1

Jan. 2017

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Article Navigation > Journal of Electronics & Information Technology > 2017 > 39(1): 213-220

WANG Dongjun, LUO Ping, PENG Xuanlin, ZHEN Shaowei, HE Yajuan. Adaptive Voltage Scaling Technique for DC-DC Converter Based on Pulse Skip Modulation[J]. Journal of Electronics & Information Technology, 2017, 39(1): 213-220. doi: 10.11999/JEIT160283

Citation:

WANG Dongjun, LUO Ping, PENG Xuanlin, ZHEN Shaowei, HE Yajuan. Adaptive Voltage Scaling Technique for DC-DC Converter Based on Pulse Skip Modulation[J]. Journal of Electronics & Information Technology, 2017, 39(1): 213-220. doi: 10.11999/JEIT160283

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Adaptive Voltage Scaling Technique for DC-DC Converter Based on Pulse Skip Modulation

doi: 10.11999/JEIT160283

Funds:

The National Natural Science Foundation of China (61274027), The National Natural Science Youth Foundation of China (61404025)

Received Date: 2016-03-28
Rev Recd Date: 2016-08-30
Publish Date: 2017-01-19

Abstract

Abstract

In order to decrease energy consumption of digital circuits by reducing the supply voltage, an Adaptive Voltage Scaling (AVS) for DC-DC converter based on Pulse Skip Modulation (PSM) is proposed. The AVS technique can scale supply voltage adaptively by probing and tracking the Critical Path Replica (CPR) delay time. To improve the output voltage ripple and efficiency of converter especially in light load, the PSM with Adaptive ratio duty (APSM) also is used. The experimental results show that the output voltage is well regulated from 0.6~ 1.5 V when the operation frequency of load varies within the range of 30~150 MHz. The maximum energy saving of 83% is obtained with the proposed converter compared to the traditional fixed voltage.
- DC-DC converter,
- Adaptive Voltage Scaling (AVS),
- Pulse Skip Modulation (PSM),
- Critical Path Replica (CPR),
- Adaptive duty ratio

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References(23)

References

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