지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
이용수
초록· 키워드
오류제보하기
A novel current balancing technique for multichannel light-emitting diode (LED) that uses a series resonance and coupled inductor is proposed in this paper. The proposed LED driver balances output currents through frequency control and enables zero-voltage switching. The proposed converter utilizes the charge balance condition of the resonant capacitor and the current sharing function of the coupled inductor to achieve whole LED current balancing without an additional controller. The proposed coupled inductor can integrate the current balancing function and the resonant inductor, so the power density can be increased by reducing the number of magnetic devices. A 40 W prototype is built to verify the validity of this LED driver, and the experimental results are successfully obtained.
목차
Abstract
1. 서론
2. 다중 LED 구동회로 분석
3. 결합인덕터 분석
4. 실험 결과
5. 결론
References
참고문헌 (17)
참고문헌 신청
Y. Lin / 2014 / LED backlight driver circuit with dual-mode dimming control and current-balancing design / IEEE Transactions on Industrial Electronics 61(9):4632~4639
Y. Ye / 2015 / Single-switch multichannel current-balancing LED drive circuits based on optimized SC techniques / IEEE Transactions on Industrial Electronics 62(8):4761~4768
H. Kim / 2014 / A single-inductor, multiple-channel current-balancing LED driver for display backlight applications / IEEE Transactions on Industry Applications 50(6):4077~4081
H. Chiu / 2010 / A high-efficiency dimmable LED driver for low-power lighting applications / IEEE Transactions on Industrial Electronics 57(2):735~743
Q. Hu / 2011 / Minimizing required energy storage in off-line LED drivers based on series-input converter modules / IEEE Transactions on Power Electronics 26(10):2887~2895
Y. Ye / 2015 / Single-switch multichannel current-balancing LED drive circuits based on optimized SC techniques / IEEE Transactions on Industrial Electronics 62(8):4761~4768
H. Kim / 2014 / A single-inductor, multiple-channel current-balancing LED driver for display backlight applications / IEEE Transactions on Industry Applications 50(6):4077~4081
H. Chiu / 2010 / A high-efficiency dimmable LED driver for low-power lighting applications / IEEE Transactions on Industrial Electronics 57(2):735~743
Q. Hu / 2011 / Minimizing required energy storage in off-line LED drivers based on series-input converter modules / IEEE Transactions on Power Electronics 26(10):2887~2895
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