A High DR Multi-Channel Stage-Shared Hybrid Front-End for Integrated Power Electronics Controller
Yuan Ren1,2; Sai-Weng Sin1,2; Chi-Seng Lam1; Man-Chung Wong1,2; Seng-Pan U1,2,3; Rui Paulo Martins1,2,4
Conference NameIEEE Asian Solid-State Circuits Conference (A-SSCC)
Source Publication2016 IEEE Asian Solid-State Circuits Conference (A-SSCC)
Conference Date7-9 Nov. 2016
Conference PlaceToyama, JAPAN

This paper presents a 4-channel power electronics (PE) controller front-end interface with input signal conditioning and analog-to-digital (A/D) conversion functions for different power electronics system applications. The proposed front-end is composed of a 4-channel continuous-time (CT) and discrete-time (DT) hybrid sigma-delta modulator (H-EAM) embedding an input programmable-gain (PGA) in the first CT stage in order to enhance the input dynamic range (DR). The second shared DT stage is designed to utilize multiple-sampling technique with a shared single Op-Amp for low power consumption. This PE controller front-end chip is fabricated with 65 nm CMOS technology. Measurement results show a high dynamic range of 98.3 dB and 84.2 dB SNDR, while achieving a power consumption of 68 μW per channel and a FoMs of 172-179 dB due to the dynamic range boost.

KeywordMulti-channel Sigma Delta Front-end Interface Programmable-gain Integrated Pe Controller
URLView the original
Indexed BySCI
WOS Research AreaEngineering
WOS SubjectEngineering, Electrical & Electronic
WOS IDWOS:000401471500015
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Cited Times [WOS]:7   [WOS Record]     [Related Records in WOS]
Document TypeConference paper
Faculty of Science and Technology
Affiliation1.State Key Laboratory of Analog and Mixed-Signal VLSI, University of Macau, Macao, China
2.Department of ECE, Faculty of Science and Technology, University of Macau, Macao, China
3.Synopsys Macau Ltd.
4.Instituto Superior Técnico/Universidade de Lisboa, Portugal
First Author AffilicationUniversity of Macau;  Faculty of Science and Technology
Recommended Citation
GB/T 7714
Yuan Ren,Sai-Weng Sin,Chi-Seng Lam,et al. A High DR Multi-Channel Stage-Shared Hybrid Front-End for Integrated Power Electronics Controller[C]:IEEE,2017:57-60.
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