Variants of current-mirror circuits for reducing current imbalance in parallel LED strings

Sinan Li; S. Y. Hui

doi:10.1109/ECCE.2012.6342488

Variants of current-mirror circuits for reducing current imbalance in parallel LED strings

Sinan Li
, S. Y. Hui

Research output: Chapters, Conference Papers, Creative and Literary Works › RGC 32 - Refereed conference paper (with host publication) › peer-review

2 Citations (Scopus)

Abstract

Current-mirror (CM) circuits have been basic circuit components in many analog and integrated circuit designs. Their current control properties make them attractive in current balancing applications. In this paper, a range of variants of CM circuits applicable to reducing current imbalance in parallel LED strings without using a separate auxiliary power supply are presented. The features including advantages and disadvantages are addressed and commented. Practical results of their applications in high-power LED systems with parallel strings are included and used to highlight their performance for comparison purposes. © 2012 IEEE.

Original language	English
Title of host publication	2012 IEEE Energy Conversion Congress and Exposition, ECCE 2012
Pages	3562-3567
DOIs	https://doi.org/10.1109/ECCE.2012.6342488
Publication status	Published - 2012
Externally published	Yes
Event	4th Annual IEEE Energy Conversion Congress and Exposition, ECCE 2012 - Raleigh, United States Duration: 15 Sept 2012 → 20 Sept 2012 https://ieeexplore.ieee.org/xpl/conhome/6331795/proceeding

Publication series

Name	2012 IEEE Energy Conversion Congress and Exposition, ECCE 2012

Conference

Conference	4th Annual IEEE Energy Conversion Congress and Exposition, ECCE 2012
Place	United States
City	Raleigh
Period	15/09/12 → 20/09/12
Internet address	https://ieeexplore.ieee.org/xpl/conhome/6331795/proceeding

Bibliographical note

Publication details (e.g. title, author(s), publication statuses and dates) are captured on an “AS IS” and “AS AVAILABLE” basis at the time of record harvesting from the data source. Suggestions for further amendments or supplementary information can be sent to [email protected].

Funding

This project is supported by the Hong Kong Research Grant Council under Grant HKU 114411.

RGC Funding Information

RGC-funded

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10.1109/ECCE.2012.6342488

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title = "Variants of current-mirror circuits for reducing current imbalance in parallel LED strings",

abstract = "Current-mirror (CM) circuits have been basic circuit components in many analog and integrated circuit designs. Their current control properties make them attractive in current balancing applications. In this paper, a range of variants of CM circuits applicable to reducing current imbalance in parallel LED strings without using a separate auxiliary power supply are presented. The features including advantages and disadvantages are addressed and commented. Practical results of their applications in high-power LED systems with parallel strings are included and used to highlight their performance for comparison purposes. {\textcopyright} 2012 IEEE.",

author = "Sinan Li and Hui, \{S. Y.\}",

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doi = "10.1109/ECCE.2012.6342488",

language = "English",

isbn = "9781467308014",

series = "2012 IEEE Energy Conversion Congress and Exposition, ECCE 2012",

pages = "3562--3567",

booktitle = "2012 IEEE Energy Conversion Congress and Exposition, ECCE 2012",

url = "https://ieeexplore.ieee.org/xpl/conhome/6331795/proceeding",

}

Li, S & Hui, SY 2012, Variants of current-mirror circuits for reducing current imbalance in parallel LED strings. in 2012 IEEE Energy Conversion Congress and Exposition, ECCE 2012., 6342488, 2012 IEEE Energy Conversion Congress and Exposition, ECCE 2012, pp. 3562-3567, 4th Annual IEEE Energy Conversion Congress and Exposition, ECCE 2012, Raleigh, North Carolina, United States, 15/09/12. https://doi.org/10.1109/ECCE.2012.6342488

Variants of current-mirror circuits for reducing current imbalance in parallel LED strings. / Li, Sinan; Hui, S. Y.
2012 IEEE Energy Conversion Congress and Exposition, ECCE 2012. 2012. p. 3562-3567 6342488 (2012 IEEE Energy Conversion Congress and Exposition, ECCE 2012).

Research output: Chapters, Conference Papers, Creative and Literary Works › RGC 32 - Refereed conference paper (with host publication) › peer-review

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AU - Hui, S. Y.

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PY - 2012

Y1 - 2012

N2 - Current-mirror (CM) circuits have been basic circuit components in many analog and integrated circuit designs. Their current control properties make them attractive in current balancing applications. In this paper, a range of variants of CM circuits applicable to reducing current imbalance in parallel LED strings without using a separate auxiliary power supply are presented. The features including advantages and disadvantages are addressed and commented. Practical results of their applications in high-power LED systems with parallel strings are included and used to highlight their performance for comparison purposes. © 2012 IEEE.

AB - Current-mirror (CM) circuits have been basic circuit components in many analog and integrated circuit designs. Their current control properties make them attractive in current balancing applications. In this paper, a range of variants of CM circuits applicable to reducing current imbalance in parallel LED strings without using a separate auxiliary power supply are presented. The features including advantages and disadvantages are addressed and commented. Practical results of their applications in high-power LED systems with parallel strings are included and used to highlight their performance for comparison purposes. © 2012 IEEE.

UR - https://www.scopus.com/pages/publications/84870886052

UR - https://www.scopus.com/pages/publications/84870886052#tab=impact

U2 - 10.1109/ECCE.2012.6342488

DO - 10.1109/ECCE.2012.6342488

M3 - RGC 32 - Refereed conference paper (with host publication)

SN - 9781467308014

T3 - 2012 IEEE Energy Conversion Congress and Exposition, ECCE 2012

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EP - 3567

BT - 2012 IEEE Energy Conversion Congress and Exposition, ECCE 2012

T2 - 4th Annual IEEE Energy Conversion Congress and Exposition, ECCE 2012

Y2 - 15 September 2012 through 20 September 2012

ER -

Variants of current-mirror circuits for reducing current imbalance in parallel LED strings

Abstract

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