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T3T1 Backlight driver buzzing

Open kopecdav opened this issue 7 months ago • 0 comments

T3T1 backlight driver TPS61043 generate a noise in audible spectrum.

Single device is barely audible, but multiple devices makes quite annoying and loud sound.

The noise is clearly generated by backlight driver which is driven by PWM at same frequency.

Image

Sound spectrum analyzer image

kopecdav avatar Apr 22 '25 07:04 kopecdav