Date: 20th Nov 06
AAT2830/31 does all the lighting
functions for the cellphone.
Analogic Tech's new charge pump based LED Driver can do
backlighting, Camera flashing and RGB lighting functions
for a mobile phones and other hand held devices. It can
source upto 600mA of current. The device uses Analogic's
own patented serial bus standard called AS2Cwire to communicate
across individual driving circuits. Six mutilple backlight
LEDs can be driven simultaneously up to a programmable current
rating of 30mA via an external resistors. The user can bunch
set of LEDs as per his requirement. 16 Levels of LED intensity
can be set through the serial bus. To light up the camera
flash, 600mA of current is available through Four 150mA
individual programmable channels. Auxillary output of 60
mA is avaialable for RGB, status lighting, and for keypad.
There is a timer to protect LED from damaging due to long
duration of high bright status. Can operate in the industrial
temperature range of -40º C to +85º C.
Package: QFN44
Availability: Sampling in Dec 06.
Price: $1.96 each in 1K quantities.
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