12 Channel High Precision LED Driver For LCD Backlight And 3 DCDC Step Up Controller

The AS3694 is a 12 cannels high precision LED Driver with build in PWM generators for building backlight panels in LCD-TV-sets. 3 DCDC Step Up controllers CAN be used to build the power supplies for red, green and blue LED strings.
External Clock and synchronizing inputs allow the synchronization of the LCD backlight with the TV picture. Local dimming and scan dimming is supported by 12 independent PWM generators with programmable delay, period and duty cycle. Three free configurable dynamic power feedback circuits make the device usable for white LED as well as RGB backlights. Build in safety features include thermal shutdown as well as open and short LED detection. All circuit parameters are programmable via I2C or SPI Interface
By ams AG
AS3694 's PackagesAS3694 's pdf datasheet



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AS3694 Application circuits
AS3694 circuits
This is one application circuit of AS3694,If you need more circuits,please download AS3694's pdf datasheet.


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