要求是24V输入,14V输出,4.9A电流驱动7路并联4串1 LED,我们接的RSNS是0.05R,但实际测试出来的电流是2.2A,请问一下能这样驱动并联的LED吗
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HI
测试一下sense电阻上是否有noise影响到LED电流。 同时你需要注意7并4串LED需要做匹配的也就是每一路的LED总Vf一致。