The data brief introduces the STEVAL-TLL007V1 high-power LED driver demonstration board for dual flash with I2C interface based on the STCF05, which features synchronous rectification, drives two power white LEDs in series with a current up to 400 mA, efficiency up to 85%, only 3 passive components, only 24 mm2 PCB area, 1.8 MHz fixed frequency PWM, full I2C control, motherboard based on µPSD used as USB bridge and RoHS compliant