| 高亮LED驱动芯片HV9931的应用 |
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| 引用本文： | 钱平,李飞虎. 高亮LED驱动芯片HV9931的应用[J]. 通信电源技术, 2011, 28(6): 49-51 |
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| 作者姓名： | 钱平 李飞虎 |
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| 作者单位： | 1. 上海应用技术学院,上海,200235
2. 上海海事大学,上海,200120 |
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| 基金项目： | 上海市科委基金资助项目 |
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| 摘 要： | 文中介绍了一款高亮LED驱动芯片HV9931,对HV9931的特点及性能作了详细说明,用Cuk变换器为主电路,以HV9931为控制芯片,设计了一款高亮LED驱动电路,给出了实验结果。该电路能在较宽的输入电压范围内保持输出电流的稳定,实现了LED的可靠照明。
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| 关 键 词： | CuK变换器 HV9931 LED驱动 |
Application of HV9931 for High Brightness LED Driver |
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| QIAN Pin,LI Fei-hu. Application of HV9931 for High Brightness LED Driver[J]. Telecom Power Technologies, 2011, 28(6): 49-51 |
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| Authors: | QIAN Pin LI Fei-hu |
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| Affiliation: | QIAN Pin1,LI Fei-hu2(1.Shanghai Institute of Technology,Shanghai 200235,China,2.Shanghai Maritime University,Shanghai 200120,China) |
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| Abstract: | An IC HV9931 used for LED with high brightness driver is introduced hereof.The feature and performance of the chip is studied specifically.Adopting Cuk converter as the main circuit,with resort to HV9931,a circuit is designed for LED with high brightness drive and the test result is given out.The circuit is adapt to maintain output current stably while input voltage varies in considerable amount,implementing the reliable lighting of LED. |
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| Keywords: | Cuk converter HV9931 LED driver |
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