Power management with energy harvesting from a headphone jack

Cheng Han Hsieh; Chung Yen Du; Shuenn Yuh Lee

doi:10.1109/ISCAS.2014.6865553

Power management with energy harvesting from a headphone jack

Cheng Han Hsieh, Chung Yen Du, Shuenn Yuh Lee

Department of Electrical Engineering

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

6 Citations (Scopus)

Abstract

This paper presents a high-efficiency rectifier and low-dropout regulator (LDO) for a body area network. The rectifier receives signal for energy harvesting, and the LDO is employed to generate stable supply voltage. The rectifier uses bootstrapped capacitors and adaptive voltage controller to reduce threshold voltage and to improve further the power conversion efficiency (PCE). The LDO combines voltage buffer, pole-zero tracking, and pseudo resistor technologies to achieve low quiescent current and precise output voltage. This chip has been fabricated by using the TSMC 0.18 μm 1P6M CMOS technology. The core area is 0.1 mm². Circuit-level simulation reveals that the PCE of the proposed rectifier is 90.7% when the input peak-to-peak voltage is 2.3 V, the output load is 2 kΩ, and the quiescent current of LDO is 15.27 μA.

Original language	English
Title of host publication	2014 IEEE International Symposium on Circuits and Systems, ISCAS 2014
Publisher	Institute of Electrical and Electronics Engineers Inc.
Pages	1989-1992
Number of pages	4
ISBN (Print)	9781479934324
DOIs	https://doi.org/10.1109/ISCAS.2014.6865553
Publication status	Published - 2014 Jan 1
Event	2014 IEEE International Symposium on Circuits and Systems, ISCAS 2014 - Melbourne, VIC, Australia Duration: 2014 Jun 1 → 2014 Jun 5

Publication series

Name	Proceedings - IEEE International Symposium on Circuits and Systems
ISSN (Print)	0271-4310

Other

Other	2014 IEEE International Symposium on Circuits and Systems, ISCAS 2014
Country	Australia
City	Melbourne, VIC
Period	14-06-01 → 14-06-05

All Science Journal Classification (ASJC) codes

Electrical and Electronic Engineering

Access to Document

10.1109/ISCAS.2014.6865553

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Hsieh, C. H., Du, C. Y., & Lee, S. Y. (2014). Power management with energy harvesting from a headphone jack. In 2014 IEEE International Symposium on Circuits and Systems, ISCAS 2014 (pp. 1989-1992). [6865553] (Proceedings - IEEE International Symposium on Circuits and Systems). Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.1109/ISCAS.2014.6865553

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Hsieh, CH, Du, CY & Lee, SY 2014, Power management with energy harvesting from a headphone jack. in 2014 IEEE International Symposium on Circuits and Systems, ISCAS 2014., 6865553, Proceedings - IEEE International Symposium on Circuits and Systems, Institute of Electrical and Electronics Engineers Inc., pp. 1989-1992, 2014 IEEE International Symposium on Circuits and Systems, ISCAS 2014, Melbourne, VIC, Australia, 14-06-01. https://doi.org/10.1109/ISCAS.2014.6865553

Power management with energy harvesting from a headphone jack. / Hsieh, Cheng Han; Du, Chung Yen; Lee, Shuenn Yuh.

2014 IEEE International Symposium on Circuits and Systems, ISCAS 2014. Institute of Electrical and Electronics Engineers Inc., 2014. p. 1989-1992 6865553 (Proceedings - IEEE International Symposium on Circuits and Systems).

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

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N2 - This paper presents a high-efficiency rectifier and low-dropout regulator (LDO) for a body area network. The rectifier receives signal for energy harvesting, and the LDO is employed to generate stable supply voltage. The rectifier uses bootstrapped capacitors and adaptive voltage controller to reduce threshold voltage and to improve further the power conversion efficiency (PCE). The LDO combines voltage buffer, pole-zero tracking, and pseudo resistor technologies to achieve low quiescent current and precise output voltage. This chip has been fabricated by using the TSMC 0.18 μm 1P6M CMOS technology. The core area is 0.1 mm2. Circuit-level simulation reveals that the PCE of the proposed rectifier is 90.7% when the input peak-to-peak voltage is 2.3 V, the output load is 2 kΩ, and the quiescent current of LDO is 15.27 μA.

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