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新型多路输出数字调压电路的设计

更新时间:2020-06-13 05:05:45 大小:301K 上传用户:守着阳光1985查看TA发布的资源 标签:FPGAUSB2.0 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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研究了一种新型多路输出数字调压电路。以FPGA为核心,利用其丰富的I/O口,实现多路电压同时输出。待转换的数据经USB2.0接口输入FPGA内部FIFO中,减少电压配置时间。采用高压运放芯片,工作于非对称供电模式。实验结果表明,电压调节范围.39V~+49.95V,步进调节灵敏度为0.0244V,最大输出电流50mA,纹波电压小于2mV。

A novel multi-output digital voltage regulator circuit is proposed. FPGA is employed as a core controller, considering the following advantages, its extensive I/O ports enable multi-channel voltage output simultaneously, and dates to be converted is entered into the FIFO of FPGA by USB2.0 interface, which reduces voltage configuration time. In addition, high-voltage op-amp is applied in the circuit, which works in asymmetric power model. Test results indicate that voltage adjustment is -39-+49.95V, stepping adjustment sensitivity reaches 0.0244V, maximum output current is 50mA, and ripple voltage is less than 2mV.

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新型多路输出数字调压电路的设计.pdf 301K

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