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TPS92391: How to select dimming mode when I2C is not used

Part Number:TPS92391


   

I can't understand the setting of dimming mode selection on pages 23 and 24 of the data sheet, as shown in the figure~

Using 8 different resistors can correspond to different dimming modes, but how can I set it without using I2C? How do I choose these two resistors in the same mode?

Johnsin Tao:

HI

    不太明确你的意思。

    按照你需求的模式直接选择上述电阻到Mode脚即可,或者用I2C接口来选择模式也行。

,

user6566478:

hello

    In fact, I just want to make sure that R is set when I2C is not used_ Mode is 7.87 (K Ω) and set R_ The mode is 124 (K Ω), and there is no output difference. They are all direct PWM modes

     Thank you for your reply!

,

Johnsin Tao:

Hi    好的。

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