Design of Peak Efficiency of 85.3% WPC/PMA Wireless Power Receiver Using Synchronous Active Rectifier and Multi Feedback Low-Dropout Regulator

Zaffar Hayat Nawaz Khan, 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 Kang-Yoon Lee
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Zaffar Hayat Nawaz Khan: College of Information and Communication Engineering, Sungkyunkwan University, Suwon 16419, Korea
Young-Jun Park: College of Information and Communication Engineering, Sungkyunkwan University, Suwon 16419, Korea
Seong Jin Oh: College of Information and Communication Engineering, Sungkyunkwan University, Suwon 16419, Korea
Byeong Gi Jang: College of Information and Communication Engineering, Sungkyunkwan University, Suwon 16419, Korea
Seong-Mun Park: College of Information and Communication Engineering, Sungkyunkwan University, Suwon 16419, Korea
Hamed Abbasizadeh: College of Information and Communication Engineering, Sungkyunkwan University, Suwon 16419, Korea
Young Gun Pu: College of Information and Communication Engineering, Sungkyunkwan University, Suwon 16419, Korea
Keum Cheol Hwang: College of Information and Communication Engineering, Sungkyunkwan University, Suwon 16419, Korea
Youngoo Yang: College of Information and Communication Engineering, Sungkyunkwan University, Suwon 16419, Korea
Minjae Lee: School of Information and Communications, Gwangju Institute of Science and Technology, Gwangju 61005, Korea
Kang-Yoon Lee: College of Information and Communication Engineering, Sungkyunkwan University, Suwon 16419, Korea

Energies, 2018, vol. 11, issue 3, 1-10

Abstract: An efficient synchronous active rectifier and Multi Feedback low drop out (LDO) Regulator coupled with a wireless power receiver (WPR) is proposed in this study. An active rectifier with maximum power conversion efficiency (PCE) of 94.2% is proposed to mitigate the reverse leakage current using zero current sensing. Output voltage and current are regulated by multi-feedback LDO regulator, sharing the single path transistor. The proposed chip is fabricated in the 0.18 ?m BCD technology having die area of 16.0 mm 2 . A 94.2% power conversion efficiency with the load current of 800 mA is measured for the proposed active rectifier.

Keywords: wireless power receiver; active rectifier; multi-feedback low-dropout regulator; power conversion efficiency (PCE) (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2018
References: View complete reference list from CitEc
Citations: View citations in EconPapers (2)

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