Design of Peak Efficiency of 85.3% WPC/PMA Wireless Power Receiver Using Synchronous Active Rectifier and Multi Feedback Low-Dropout Regulator
Abstract
:1. Introduction
2. Proposed Wireless Power Receiver Design and Its Implementation
2.1. Architecture
2.2. Active Rectifier
2.3. Multi Feedback LDO (MF-LDO) Regulator
3. Experimental Results
4. Conclusions
Acknowledgments
Author Contributions
Conflicts of Interest
References
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Parameters | [8] | [17] | [18] | This Work |
---|---|---|---|---|
Technology | 0.18 μm BCD | 0.18 μm CMOS | 0.18 μm BCD | 0.18 μm BCD |
Supported standards | A4WP | A4WP | WPC and PMA A4WP | WPC and PMA |
Input frequency | 6.78 MHz | 6.78 MHz | 85 kHz~500 kHz 6.78 MHz | 87 kHz~375 kHz |
Input Voltage Range (V) | 7–20 | 7–20 | 3–20 | 3–20 |
Efficiency of rectifier (%) | 91.5 | 94.2 (rectifier only) | 91.7 @ 6.78 MHz 92.7 @ 150 kHz | 94.2 @ 150 kHz |
Post-regulator | DC–DC converter | N/A | DC–DC converter | Low-dropout regulator |
System efficiency (%) | 80.86 | N/A | 84.5 @ 6.78 MHz 85.5 @ 150 kHz | 85.3 |
Max. output power (W) | 6 | 8 | 9 | 5 |
Die area (mm2) | 12.25 | 3.45 | 17.5 | 16.0 |
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Khan, Z.H.N.; Park, Y.-J.; Oh, S.J.; Jang, B.G.; Park, S.-M.; Abbasizadeh, H.; Pu, Y.G.; Hwang, K.C.; Yang, Y.; Lee, M.; et al. Design of Peak Efficiency of 85.3% WPC/PMA Wireless Power Receiver Using Synchronous Active Rectifier and Multi Feedback Low-Dropout Regulator. Energies 2018, 11, 479. https://doi.org/10.3390/en11030479
Khan ZHN, Park Y-J, Oh SJ, Jang BG, Park S-M, Abbasizadeh H, Pu YG, Hwang KC, Yang Y, Lee M, et al. Design of Peak Efficiency of 85.3% WPC/PMA Wireless Power Receiver Using Synchronous Active Rectifier and Multi Feedback Low-Dropout Regulator. Energies. 2018; 11(3):479. https://doi.org/10.3390/en11030479
Chicago/Turabian StyleKhan, Zaffar Hayat Nawaz, Young-Jun Park, Seong Jin Oh, Byeong Gi Jang, Seong-Mun Park, Hamed Abbasizadeh, Young Gun Pu, Keum Cheol Hwang, Youngoo Yang, Minjae Lee, and et al. 2018. "Design of Peak Efficiency of 85.3% WPC/PMA Wireless Power Receiver Using Synchronous Active Rectifier and Multi Feedback Low-Dropout Regulator" Energies 11, no. 3: 479. https://doi.org/10.3390/en11030479