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基于HV9910的LED驱动电路设计

更新时间:2020-06-07 01:49:08 大小:375K 上传用户:zhiyao6查看TA发布的资源 标签:hv9910led驱动电路 下载积分:5分 评价赚积分 (如何评价?) 打赏 收藏 评论(0) 举报

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通过对LED发光原理分析,了解驱动电路的基本要求,以HV9910作为控制芯片,设计一种高效节能的LED驱动电路。设计基于该芯片的电路方案,通过理论计算,确定各元器件选型,最后对驱动电路进行通电测试。测试结果表明:在电压波动及负载变化的情况下,驱动电路的负载端电流基本保持稳定;驱动电路能够为LED工作提供一个稳定电流,电路结构简单,设计合理,可靠性高,基本满足要求。

Based on an analysis of the principle of LED luminosity,and an understanding of the the basic requirements of the drive circuit,a highly-efficient and energy-saving LED driving circuit has been proposed with HV9910as its control chip.With its design based on the circuit scheme of the chip,the components selection is to be determined through a theoretical calculation,followed by a power-on test of the drive circuit.The test results show that under the condition of voltage fluctuation and load change,the load current of the drive circuit is basically stable,guaranteeing a stable work current for the LED operation,and thus meeting the basic requirements with its simple circuit structure,professional design,and high reliability in the newly designed driving ci...

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基于HV9910的LED驱动电路设计.pdf 375K

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