A 0.6-V input 94% peak efficiency CCM/DCM digital buck converter in 40-nm CMOS with dual-mode-body-biased zero-crossing detector

Xin Zhang, Yasuyuki Okuma, Po-Hung Chen, Koichi Ishida, Yoshikatsu Ryu, Kazumori Watanabe, Takayasu Sakurai, Makoto Takamiya

研究成果: Conference contribution同行評審

2 引文 斯高帕斯(Scopus)

摘要

A 0.6-V input, 0.3-0.55V output buck converter is developed in 40-nm CMOS, for low-voltage low-power wireless sensor network systems. The buck converter is able to automatically select DCM or CCM operation, therefore improving the power efficiency and enlarging the output current range, by virtue of the proposed low-power CCM/DCM controller. A dual-mode-body-biased (DMBB) (forward body bias & zero body bias) low-voltage zero-crossing detector is designed to enable DCM operation with both low supply voltage and normal supply voltage. The proposed buck converter achieves a peak efficiency of 94% with an output current range of 50μA to 10mA. Thanks to the DCM operation, the efficiency at an output current of 100μA is improved by 20% and 9%, with an output voltage of 0.35V and 0.5V, respectively.

原文English
主出版物標題Proceedings of the 2013 IEEE Asian Solid-State Circuits Conference, A-SSCC 2013
頁面45-48
頁數4
DOIs
出版狀態Published - 1 12月 2013
事件2013 9th IEEE Asian Solid-State Circuits Conference, A-SSCC 2013 - Singapore, Singapore
持續時間: 11 11月 201313 11月 2013

出版系列

名字Proceedings of the 2013 IEEE Asian Solid-State Circuits Conference, A-SSCC 2013

Conference

Conference2013 9th IEEE Asian Solid-State Circuits Conference, A-SSCC 2013
國家/地區Singapore
城市Singapore
期間11/11/1313/11/13

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