TLC696x2/4/8/TLC696x2/4/8-Q1 Backlight Drivers Texas Instruments TLC696x2/4/8TLC696x2/4/8-Q1 Backlight Drivers are a family of LCD local dimming backlight drivers compatible with TLC696x0/TLC696x0-Q1, a scan MOSFET controller to achieve 2/4/8 time-multiplexing control. Each device integrates 16 constant current sinks with the corresponding size of SRAM for brightness storage. The device connects by a two-wire serial interface in daisy chain topology and supports up to 1024 devices for more than 32,000 local dimming zones.