Austriamicrosystems offers LED drivers and power supply ICs designed for LED TVs
Austriamicrosystems
LED drivers (AS3810, AS3822, AS3823), LED power supply IC (AS1390)
Austriamicrosystems is set to demonstrate its three latest LED drivers and LED power supply IC for LED TVs — including 3D and direct-lit TVs — at the FPD International Exhibition and Convention in Yokohama, Japan from 26–28 October.
The AS3822 and AS3823 are, respectively, six- and eight-channel LED driver ICs that are capable of smart dimming and have a digital power feedback control technique that the company says reduces energy consumption.
The AS3810 16-channel LED driver has internal FETs and multiple ICs, which can be combined to create different backlighting segments.
The AS1390 controller/buck converter supplies the LED backlight with a constant-frequency boost controller designed to work at up to 90V/3A, combined with a 5V/100mA step-down converter to supply a device such as a microcontroller. It also includes special features for 3D, as well as over-voltage, over-current and over-temperature protection.
All four units are currently sampling.
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