A 0.016 mV/mA cross-regulation 5-output SIMO dc-dc buck converter using output-voltage-aware charge control scheme

A single-inductor multiple-output (SIMO) dc-dc converter with output-voltage-aware charge control (OVACC) is presented in this paper. The OVACC scheme reduces the cross regulation by computing the total energy required by all outputs to extract exactly the same amount of energy from the input. Moreo...

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Main Authors: Pham, Ngoc-Son, Yoo, Taegeun, Kim, Tony Tae-Hyoung, Lee, Chan-Gun, Baek, Kwang-Hyun
Other Authors: School of Electrical and Electronic Engineering
Format: Journal Article
Language:English
Published: 2020
Subjects:
Online Access:https://hdl.handle.net/10356/141702
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author Pham, Ngoc-Son
Yoo, Taegeun
Kim, Tony Tae-Hyoung
Lee, Chan-Gun
Baek, Kwang-Hyun
author2 School of Electrical and Electronic Engineering
author_facet School of Electrical and Electronic Engineering
Pham, Ngoc-Son
Yoo, Taegeun
Kim, Tony Tae-Hyoung
Lee, Chan-Gun
Baek, Kwang-Hyun
author_sort Pham, Ngoc-Son
collection NTU
description A single-inductor multiple-output (SIMO) dc-dc converter with output-voltage-aware charge control (OVACC) is presented in this paper. The OVACC scheme reduces the cross regulation by computing the total energy required by all outputs to extract exactly the same amount of energy from the input. Moreover, the proposed design also extends the load capability range of the SIMO converter by supporting the operation in both continuous conduction mode and discontinuous conduction mode while boosting the overall power efficiency. The proposed SIMO (five outputs) dc-dc converter has been implemented in a 0.18 μm 1P6M CMOS process. Measurement results show that the best cross regulation is 0.016 mV/mA when the output current of 250 mA abruptly changes. And no cross regulation is observed when the first output current changes 150 mA, the second output current changes 160 mA, the third and fourth output currents change 180 mA, and the last output current changes 250 mA. Also, the measured peak power efficiency is 86%.
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spelling ntu-10356/1417022020-06-10T03:38:44Z A 0.016 mV/mA cross-regulation 5-output SIMO dc-dc buck converter using output-voltage-aware charge control scheme Pham, Ngoc-Son Yoo, Taegeun Kim, Tony Tae-Hyoung Lee, Chan-Gun Baek, Kwang-Hyun School of Electrical and Electronic Engineering Engineering::Electrical and electronic engineering Charge Control Cross Regulation A single-inductor multiple-output (SIMO) dc-dc converter with output-voltage-aware charge control (OVACC) is presented in this paper. The OVACC scheme reduces the cross regulation by computing the total energy required by all outputs to extract exactly the same amount of energy from the input. Moreover, the proposed design also extends the load capability range of the SIMO converter by supporting the operation in both continuous conduction mode and discontinuous conduction mode while boosting the overall power efficiency. The proposed SIMO (five outputs) dc-dc converter has been implemented in a 0.18 μm 1P6M CMOS process. Measurement results show that the best cross regulation is 0.016 mV/mA when the output current of 250 mA abruptly changes. And no cross regulation is observed when the first output current changes 150 mA, the second output current changes 160 mA, the third and fourth output currents change 180 mA, and the last output current changes 250 mA. Also, the measured peak power efficiency is 86%. 2020-06-10T03:38:44Z 2020-06-10T03:38:44Z 2017 Journal Article Pham, N.-S., Yoo, T., Kim, T. T.-H., Lee, C.-G., & Baek, K.-H. (2018). A 0.016 mV/mA cross-regulation 5-output SIMO dc-dc buck converter using output-voltage-aware charge control scheme. IEEE Transactions on Power Electronics, 33(11), 9619-9630. doi:10.1109/TPEL.2017.2785838 0885-8993 https://hdl.handle.net/10356/141702 10.1109/TPEL.2017.2785838 2-s2.0-85039777561 11 33 9619 9630 en IEEE Transactions on Power Electronics © 2017 IEEE. All rights reserved.
spellingShingle Engineering::Electrical and electronic engineering
Charge Control
Cross Regulation
Pham, Ngoc-Son
Yoo, Taegeun
Kim, Tony Tae-Hyoung
Lee, Chan-Gun
Baek, Kwang-Hyun
A 0.016 mV/mA cross-regulation 5-output SIMO dc-dc buck converter using output-voltage-aware charge control scheme
title A 0.016 mV/mA cross-regulation 5-output SIMO dc-dc buck converter using output-voltage-aware charge control scheme
title_full A 0.016 mV/mA cross-regulation 5-output SIMO dc-dc buck converter using output-voltage-aware charge control scheme
title_fullStr A 0.016 mV/mA cross-regulation 5-output SIMO dc-dc buck converter using output-voltage-aware charge control scheme
title_full_unstemmed A 0.016 mV/mA cross-regulation 5-output SIMO dc-dc buck converter using output-voltage-aware charge control scheme
title_short A 0.016 mV/mA cross-regulation 5-output SIMO dc-dc buck converter using output-voltage-aware charge control scheme
title_sort 0 016 mv ma cross regulation 5 output simo dc dc buck converter using output voltage aware charge control scheme
topic Engineering::Electrical and electronic engineering
Charge Control
Cross Regulation
url https://hdl.handle.net/10356/141702
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