McLux PD - is it possible to lower the Low, and keep High as is?

[maxspeeds]

On the GDx2 and Wizx2 boards, I'm aware of "misering" the high current drive level, but can we obtain a lower low and maintain our current high level:thinking:? Reasong being: I love my high, but would appreciate a lower low for night vision.

 

[McGizmo]

If there is, it is in some tiny flea poop sized resistor that I am not familiar with nor could I identify.

 

[darkzero]

Correct me if I'm wrong but I asked Wayne about changing the current levels on these boards. He said one sense resistor changes both high & low.

 

[McGizmo]

The sense resistor I change changes the high output level and low is a proportion of high so it changes as well. On some of the X2 converters there is a tiny secondary resistor that dictates the proportion for want of a better term. I don't recall which of the x2 converters had or have the ability for a change in the low level independent of the high level setting. I will stick with my "I don't know" answer.

 

[maxspeeds]

On some of the X2 converters there is a tiny secondary resistor that dictates the proportion for want of a better term. I don't recall which of the x2 converters had or have the ability for a change in the low level independent of the high level setting.

This gives me hope! Maybe there is a way to maintain the high and lower the low :naughty:

 

[darkzero]

I've bumped the GDx2 boards up to 694ma & 750ma & to my eye I can see a change in low. I'm glad it didn't noticeably affect the low. I haven't bumped one higher than that yet. Wayne once told me there's an 0403 sense resistor that needed to be changed for low.

I believe one of the boards Don is talking about is the Wizx2. It has three pads for 0603 sense resistors where the GDx2 only has one.