IW7032 Description
iW7032 32-Channel LED Driver for LCD Panel Backlighting 1.0.
IW7032 Key Features
- Fully integrated power FET with minimum external ponents
- Proprietary digital power management and patented adaptive switch mode LED driver
- 32-channel output each at 56 V with 9 V to 28 V input supply voltage range
- Dynamic external Boost or Buck controller interface to optimize system power efficiency
- Serial Peripheral Interface (SPI) patible for high bandwidth PWM-based dynamic local dimming
- Per channel current up to 120 mA average current, with non-adaptive-switch peak current of 120 mA for local dimming and
- LED failure (open and short-circuit) detection
- LED brightness local dimming, scanning, and 3D game mode controlled by SPI interface
- PWM dimming range from 1% to 99.9% with 10-bit resolution
- Vsync synchronized PWM