AAT2469 Description
The AAT2469 is a dedicated TVLite control IC for the AAT2499 TVLite LED drivers. One AAT2469 can control up to 8 AAT2499 TVLite LED drivers (up to 16 individual LED strings), providing a high-efficiency white LED backlight solution for large-sized LCD panels used in LCD TVs. The AAT2469 includes an SPI patible interface allowing fast independent digital control from the system.
AAT2469 Key Features
- VIN Range: 4.5V to 5.5V
- Controls up to 8 AAT2499 TVLite drivers
- 15MHz SPI Interface
- Read/Write Registers
- Four Unique Device Addresses
- Up to 64 LED Strings
- High Resolution Digital Control for LED Current
- 12-Bit Resolution Gray Scale PWM Brightness1 -- 12-Bit Resolution Channel Phase Delay1 -- 8-Bit Resolution Current Setti
- VSYNC, PWM and Delay Synchronization
- Integrated System Fault Reporting