LED backlight system solution using LM3431
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• This circuit uses a 12V bus battery to drive 4 groups of 8 140 mA LEDs in series, ideal for LED backlighting in automotive TFT displays.
Input voltage: 8V to 18V, 4 sets of LED light groups
(8 LEDs in each group), each group of LEDs has a drive current of 140 mA
LED backlight for TFT display
LED backlight for instrument panel

Output voltage and current

effectiveness

Bill of materials (main component)

12V100Ah Lithium Ion Battery,Deep Cycle Solar Battery,2V 100Ah Lifepo4 Battery,12V 100Ah Lifepo4 Battery Pack
Jiangsu Zhitai New Energy Technology Co.,Ltd , https://www.ztbatteries.com