高亮度LED闪光灯电源设计  

Design of Flash Power for High Bright LED

作　　者：孙静[1] 骆旭坤 

机构地区：[1]黎明职业大学机电工程学院,福建泉州362000

出　　处：《中原工学院学报》2018年第1期22-26,共5页Journal of Zhongyuan University of Technology

摘　　要：设计一个DC—DC稳流电源变换器,以IAP15W4K58S4单片机作为闪光灯电源的控制核心,采用升压电路、DA线性压控电路、AD采样电路等对大功率MOS管进行驱动。通过按键选择,输出所需电流,将直流电源的电能转换为恒流输出,驱动高亮度白光LED。该设计相对误差小,效率高,满足了恒流稳压电源的要求。A DC-DC current transformer was designed.IAP15 W4 K58 S4 single chip system was used as control core of the flash power.It can drive high power MOS tube by using different circuits such as the booster circuit,DA linear voltage control circuit and AD sampling circuit.The system can convert the battery energy into constant current output to bright up the high white LED by pressing the key.The system has some characters such as small relative error and high efficiency.It can meet the requirements of constant current power.

关 键 词：单片机 升压电路 高压驱动 恒流输出 

分 类 号：TM923[电气工程—电力电子与电力传动]