采用相移控制策略的高效谐振DC-DC变换器应用于汽车LED驱动器

Syed Simran.K, Md.Anwar, Dr.Sharan Reddy and Santo
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引用次数: 0

摘要

提出了一种工作在MHz范围内的高频DC-DC变换器,该变换器可以在很宽的负载电压范围内实现负载电流的不偏置,同时保持高性能。由于这些功能,所提供的变压器适用于需要不同类型的LED在受控电流下工作的LED驱动器应用。该变压器利用LCL-T谐振群满足负载不控制电流,并利用预先确定的开关频率实现高效率。LCL-T谐振变压器还可以有效地控制其输出到使用相移控制所需的额定值。对LCL-T回波传感器的整体性能进行了评价,并与LC3L控制回波传感器进行了比较。仿真工作采用MATLAB / Simulink程序完成。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
High Efficient Resonant DC-DC Converter for Automotive LED Driver Applications using Phase Shift Control Strategy
A high frequency DC-DC converter operating in the MHz range is proposed, which can achieve unbiased load current even while maintaining high performance over a wide range of load voltages. Due to these functions, the provided transformer is suitable for LED driver applications, which require different types of LEDs to operate with controlled current. The proposed transformer satisfies the uncontrolled load current using the LCL-T resonance community and achieves high efficiency using a predetermined switching frequency. The LCL-T resonance transformer also works effectively in controlling its output to the required rating using phase shift control. The overall performance of the LCL-T Echo transducer was evaluated and compared with the LC3L controlled echo transducer. Simulation work is done using the MATLAB / Simulink program.
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