kaz29Вестник Казахстанско-Британского технического университетаHerald of the Kazakh-British Technical University1998-66882959-8109Казахстанско-Британский Технический Университет10.55452/1998-6688-2024-21-2-255-265kaz29-1271Research ArticleФИЗИЧЕСКИЕ НАУКИPHYSICAL SCIENCESНОВЫЙ ГИБРИДНЫЙ СВЕТОДИОДНЫЙ ДРАЙВЕРA NEW HYBRID LED DRIVERhttps://orcid.org/0000-0002-7286-9990ОразбаевС. А.OrazbayevS. A.

PhD

050040, г. Алматы

Associate Professor

sagi.orazbayev@gmail.comhttps://orcid.org/0000-0002-7413-6360ДжунусбековЕ. Ж.DzhunusbekovE. Zh.

050000, г. Алматы

erlan555dj@yahoo.comhttps://orcid.org/0009-0005-2645-2309ЕвлоевА. А.EvloevA. A.

бакалавр

050000, г. Алматы

bachelor

abdulvogopovich@mail.ruhttps://orcid.org/0009-0008-9570-0021КурмашеваА. К.KurmashevaA. A.

бакалавр

050000, г. Алматы

bachelor

kurmasheva-2002@mail.ruКазахский национальный университет им. аль-ФарабиКазахстанAl-Farabi Kazakh National UniversityKazakhstanКазахстанско-Британский технический университетКазахстанKazakh-British Technical UniversityKazakhstan202402072024212255265Copyright © Оразбаев С.А., Джунусбеков Е.Ж., Евлоев А.А., Курмашева А.К., 20242024Оразбаев С.А., Джунусбеков Е.Ж., Евлоев А.А., Курмашева А.К.Orazbayev S.A., Dzhunusbekov E.Z., Evloev A.A., Kurmasheva A.A.Данная работа распространяется под лицензией Creative Commons Attribution 4.0.This work is licensed under a Creative Commons Attribution 4.0 License.https://vestnik.kbtu.edu.kz/jour/article/view/1271

В работе предлагается новый гибридный светодиодный драйвер (hybrid LED driver). Гибридный светодиодный драйвер совмещает в себе принцип импульсного преобразования мощности, как в традиционном светодиодном драйвере (LED driver), с идеей переключения светодиодных линеек синхронно с входным напряжением, как в светодиодном модуле непосредственного включения в сеть (Direct ACLED module). Этот синтез обещает повысить эффективность и уменьшить электромагнитные помехи. Благодаря низким потерям мощности гибридный светодиодный драйвер привлекателен для интеграции в микросхему, что позволяет уменьшить размер и стоимость по сравнению с традиционными светодиодными драйверами, используемыми в настоящий момент. В гибридных светодиодных драйверах предшествующего уровня техники светодиоды работают в импульсном режиме переключения, что ограничивает эффективность из-за медленной работы светодиодов. Одновременно с этим интенсивность излучения таких светодиодов уменьшается в импульсном режиме. В предлагаемом новом драйвере исключен жесткий режим работы светодиодов, что повышает эффективность и уменьшает электромагнитные помехи. В статье дан анализ нового гибридного драйвера. Для подтверждения полученных результатов было проведено компьютерное моделирование с использованием специализированного программного обеспечения.

In the paper, the new hybrid LED driver is proposed. The hybrid LED driver combines the idea of pulsed power conversion of a conventional LED driver with the idea of adjusting configurable LED strings synchronously with input voltage like in a direct AC LED module. This synthesis promises to increase efficiency and reduce electromagnetic interference. Due to low power loss a hybrid LED driver is attractive for circuit integration to reduce size and cost compared to the traditional LED drivers. But in the hybrid LED drivers of previous arts the topology exploits LEDs in switch-pulse mode operation, which limits the efficiency because of LEDs slow nature. In addition, the light intensity of the LEDs decreases in pulsed mode. Therefore the new hybrid LED driver is proposed to overcome the drawbacks. The attention was paid to preventing LEDs from hard switching to improve efficiency and alleviate EMI issues. To confirm the results obtained, computer modeling was performed using specialized software.

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The authors declare that there are no conflicts of interest present.