Energy-recycling integrated 6.78-Mbps data 6.3-mW power telemetry over a single 13.56-MHz inductive link

Sohmyung Ha; Chul Kim; Jongkil Park; Siddharth Joshi; Gert Cauwenberghs

doi:10.1109/VLSIC.2014.6858381

Energy-recycling integrated 6.78-Mbps data 6.3-mW power telemetry over a single 13.56-MHz inductive link

Sohmyung Ha, Chul Kim, Jongkil Park, Siddharth Joshi, Gert Cauwenberghs

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Abstract

We present a power/data telemetry IC with a new data modulation scheme and simultaneous power transfer through a single inductive link. Data-driven synchronized single-cycle shorting of the secondary LC tank conserves reactive power while inducing an instantaneous voltage change at the primary side. Cyclic on-off keying time-encoded symbol mapping of the shorting cycle allows transmission of two data bits per four carrier cycles with simultaneous power transfer during non-shorting cycles. All timing control signals for rectification and data transmission are generated from a low-power clock recovery comparator and 22-phase 2× PLL. The 1-mm² 65-nm CMOS IC delivers up to 6.3-mW power and transmits 6.78-Mbps data with a BER of less than 5.9×10^-7 over a single 1-cm 13.56-MHz inductive link.

Original language	English (US)
Title of host publication	2014 Symposium on VLSI Circuits, VLSIC 2014 - Digest of Technical Papers
Publisher	Institute of Electrical and Electronics Engineers Inc.
ISBN (Print)	9781479933273
DOIs	https://doi.org/10.1109/VLSIC.2014.6858381
State	Published - 2014
Event	28th IEEE Symposium on VLSI Circuits, VLSIC 2014 - Honolulu, HI, United States Duration: Jun 10 2014 → Jun 13 2014

Publication series

Name	IEEE Symposium on VLSI Circuits, Digest of Technical Papers

Other

Other	28th IEEE Symposium on VLSI Circuits, VLSIC 2014
Country/Territory	United States
City	Honolulu, HI
Period	6/10/14 → 6/13/14

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Electrical and Electronic Engineering

Access to Document

10.1109/VLSIC.2014.6858381

Cite this

Ha, S., Kim, C., Park, J., Joshi, S., & Cauwenberghs, G. (2014). Energy-recycling integrated 6.78-Mbps data 6.3-mW power telemetry over a single 13.56-MHz inductive link. In 2014 Symposium on VLSI Circuits, VLSIC 2014 - Digest of Technical Papers Article 6858381 (IEEE Symposium on VLSI Circuits, Digest of Technical Papers). Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.1109/VLSIC.2014.6858381

Energy-recycling integrated 6.78-Mbps data 6.3-mW power telemetry over a single 13.56-MHz inductive link. / Ha, Sohmyung; Kim, Chul; Park, Jongkil et al.
2014 Symposium on VLSI Circuits, VLSIC 2014 - Digest of Technical Papers. Institute of Electrical and Electronics Engineers Inc., 2014. 6858381 (IEEE Symposium on VLSI Circuits, Digest of Technical Papers).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Ha, S, Kim, C, Park, J, Joshi, S & Cauwenberghs, G 2014, Energy-recycling integrated 6.78-Mbps data 6.3-mW power telemetry over a single 13.56-MHz inductive link. in 2014 Symposium on VLSI Circuits, VLSIC 2014 - Digest of Technical Papers., 6858381, IEEE Symposium on VLSI Circuits, Digest of Technical Papers, Institute of Electrical and Electronics Engineers Inc., 28th IEEE Symposium on VLSI Circuits, VLSIC 2014, Honolulu, HI, United States, 6/10/14. https://doi.org/10.1109/VLSIC.2014.6858381

Ha S, Kim C, Park J, Joshi S, Cauwenberghs G. Energy-recycling integrated 6.78-Mbps data 6.3-mW power telemetry over a single 13.56-MHz inductive link. In 2014 Symposium on VLSI Circuits, VLSIC 2014 - Digest of Technical Papers. Institute of Electrical and Electronics Engineers Inc. 2014. 6858381. (IEEE Symposium on VLSI Circuits, Digest of Technical Papers). doi: 10.1109/VLSIC.2014.6858381

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abstract = "We present a power/data telemetry IC with a new data modulation scheme and simultaneous power transfer through a single inductive link. Data-driven synchronized single-cycle shorting of the secondary LC tank conserves reactive power while inducing an instantaneous voltage change at the primary side. Cyclic on-off keying time-encoded symbol mapping of the shorting cycle allows transmission of two data bits per four carrier cycles with simultaneous power transfer during non-shorting cycles. All timing control signals for rectification and data transmission are generated from a low-power clock recovery comparator and 22-phase 2× PLL. The 1-mm2 65-nm CMOS IC delivers up to 6.3-mW power and transmits 6.78-Mbps data with a BER of less than 5.9×10-7 over a single 1-cm 13.56-MHz inductive link.",

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AB - We present a power/data telemetry IC with a new data modulation scheme and simultaneous power transfer through a single inductive link. Data-driven synchronized single-cycle shorting of the secondary LC tank conserves reactive power while inducing an instantaneous voltage change at the primary side. Cyclic on-off keying time-encoded symbol mapping of the shorting cycle allows transmission of two data bits per four carrier cycles with simultaneous power transfer during non-shorting cycles. All timing control signals for rectification and data transmission are generated from a low-power clock recovery comparator and 22-phase 2× PLL. The 1-mm2 65-nm CMOS IC delivers up to 6.3-mW power and transmits 6.78-Mbps data with a BER of less than 5.9×10-7 over a single 1-cm 13.56-MHz inductive link.

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Energy-recycling integrated 6.78-Mbps data 6.3-mW power telemetry over a single 13.56-MHz inductive link

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