Solved by
SP7686, 7686A
TM
Constant Current Flash Driver in DFN 2mm x 3mm
FEATURES Output current up to 500mA Up to 94% efficiency in 1x mode Built-in LED current setting DAC One line serial interface 2.4MH- switching frequency FB Reference voltage adjusts in 10mV steps from 60mV to 360mV DAC signal shutdown control Power-saving shutdown mode of 10nA PWM brightness control for DAC Fast turn-on (<150 s) 3.5s Timeout function to protect the LED Thermal shutdown protection Built-in over-voltage