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TPS92513 PDIM 频率范围太低,导致工业相机条纹闪屏。

Other Parts Discussed in Thread: TPS92513

测试得到当PDIM达到10KHZ以上,相机才不会有闪屏现象,但是芯片TPS92513规定PDIM 输入范围为100hz·1Khz, 

现打算将IADJ引脚接到单片机DAC口,将PDIM当使能信号使用。只通过IADJ来控制亮度这样会有什么问题么?

应用场景:2个绿灯串联,1A电流,单个灯3到4V左右工作电压。当前应用对灯光质量敏感。

或有其他芯片推荐么?