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LED controller. AS3693B-ZTQW Datasheet

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LED controller. AS3693B-ZTQW Datasheet







AS3693B-ZTQW controller. Datasheet pdf. Equivalent




AS3693B-ZTQW controller. Datasheet pdf. Equivalent





Part

AS3693B-ZTQW

Description

16 channel high precision LED controller

Manufacture

austriamicrosystems

Datasheet
Download AS3693B-ZTQW Datasheet


austriamicrosystems AS3693B-ZTQW

AS3693B-ZTQW; Product Number: AS3693B-ZTQW 16 channel high precision LED controller for LCD b acklight Description: The AS3693B is a 16 cannels high precision LED controlle r with build in PWM generators for driv ing external FETs in LCD-backlight pane ls. External clock and synchronizing in puts allow the synchronization of the L CD backlight with the TV picture. Local dimming and scan .


austriamicrosystems AS3693B-ZTQW

dimming is supported by 16 independent P WM generators with programmable delay, period and duty cycle. Three free confi gurable dynamic power feedback circuits make the device usable for white LED a s well as RGB backlights. Build in safe ty features include thermal shutdown as well as open and short LED detection. All circuit parameters are programmable via I2C or SPI in.


austriamicrosystems AS3693B-ZTQW

terface. Features: • • • • • • • • • • • • • • • • 16 independent LED channels Extern al FET control and current sensing Outp ut voltage sense up to 50V Absolute cur rent accuracy ±0.5% Output slew rate l imited to reduce EMI Current programmab le with external resistor 16 independen t PWM generators with 12 bit resolution H-Sync, V-Sync inputs to synchronize with TV-set T.



Part

AS3693B-ZTQW

Description

16 channel high precision LED controller

Manufacture

austriamicrosystems

Datasheet
Download AS3693B-ZTQW Datasheet




 AS3693B-ZTQW
Product Number: AS3693B-ZTQW
16 channel high precision LED controller for LCD backlight
Description:
The AS3693B is a 16 cannels high precision LED controller with build in PWM generators for driving
external FETs in LCD-backlight panels.
External clock and synchronizing inputs allow the synchronization of the LCD backlight with the TV picture.
Local dimming and scan dimming is supported by 16 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.
Features:
16 independent LED channels
External FET control and current sensing
Output voltage sense up to 50V
Absolute current accuracy ±0.5%
Output slew rate limited to reduce EMI
Current programmable with external resistor
16 independent PWM generators with 12 bit resolution
H-Sync, V-Sync inputs to synchronize with TV-set
Three independent power feedback for R-, G-, B-supply regulation
Build in 5V shunt regulator
I2C or SPI interface with 5 bit device address
Fault interrupt output
Open LED detection
Short LED detection
Temperature shutdown
Package epTQFP64
Free Datasheet http://www.datasheet4u.com/





 AS3693B-ZTQW
Applications:
The AS3693B is a 16 cannels high precision LED controller with build in PWM generators for driving
external FETs in LCD-backlight panels.
External clock and synchronizing inputs allow the synchronization of the LCD backlight with the TV picture.
Local dimming and scan dimming is supported by 16 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.
Free Datasheet http://www.datasheet4u.com/





 AS3693B-ZTQW
Free Datasheet http://www.datasheet4u.com/



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