How To: PWM Dimming of LEDs in Automotive Circuits
![How To: PWM Dimming of LEDs in Automotive Circuits](https://i.ytimg.com/vi/dNvvlXh9haU/maxresdefault.jpg)
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12W Constant-Current LED Driver with PWM Dimming - 12V DC@1A Input
![](https://preview.redd.it/for-dimming-multiple-leds-at-the-same-time-which-one-is-v0-qw1vsgflwcba1.jpg?width=640&crop=smart&auto=webp&s=eb4880beaec0a70dd41e964b5c5a27865bd1e57e)
For dimming multiple LEDs at the same time, which one is better, using a PWM circuit with a 555 timer (right), or just using a potentiometer (left). Both are valid and work
![](https://image.slidesharecdn.com/v174apr1718jan14145-30570-1-ededit-201022063035/85/pwm-dimming-control-for-high-brightness-led-based-automotive-lighting-applications-1-320.jpg?cb=1672872662)
PWM Dimming Control for High Brightness LED Based Automotive Lighting Applications
![](https://djtnrpkvps28m.cloudfront.net/uploads/2023/04/6apr23-4ch6ch-led-driver-primg.jpg)
ROHM Introduces Low Power LED Driver ICs for Automotive Displays with Seamless PWM Dimming and Reduced Flicker
![](https://media.monolithicpower.com/catalog/product/cache/ccb9ba928e4f463ae145b55d0127b66f/M/P/MPQ3387L-AEC1_534_1.jpg)
MPQ3387L-AEC1, Automotive Grade, Step-up, 6 strings, Max. 45mA/string, Combined Analog and PWM dimming, White LED Driver
![](https://m.media-amazon.com/images/I/61eN8+VX9fL._AC_UF1000,1000_QL80_.jpg)
ALOVECO 12 Volt DC Dimmer Switch PWM for LED RV Lights Interior, 5-24 Volts LED Ceiling Dome Lights Dimmer and Switch for Camper, Recreational Vehicle, Halogen, Auto, Truck, Marine and Strip Lighting
![](https://content.instructables.com/FWZ/EEHP/J8QGA10N/FWZEEHPJ8QGA10N.png?auto=webp&frame=1&width=320&md=0729e1831571472063d75751ec7fdbc6)
Adding a Dimmer to a Power LED Driver : 4 Steps (with Pictures) - Instructables
![](https://static5.arrow.com/pdfs/2015/4/30/4/8/33/880/st_/manual/260dm00134995.jpg)
ALED6001_Typical Application Reference Design, Dimming LED Driver
![](https://www.centiot.com/media/catalog/product/cache/image/1000x1320/7d6af636228fda25e82461e1a9f9c6c9/s/w/swt006-pwm-cv-dimmer.jpg)
Capacitive Touch LED Dimmer PWM Control Switch Module for Indoor LED DIY Automotive Lights Dimming Refit
![](https://www.next.gr/uploads//112/Automotive-LED-driver-circuit-diagram-LT3486-constituted.png)
Automotive LED driver circuit diagram LT3486 under LED Circuits -59423-
![](https://www.electronics-lab.com/wp-content/uploads/2021/01/3333-1.jpg)
60W LED Dimmer for 12V LEDs using 555 Timer