A6267 Datasheet - Allegro

A6267 Automotive High Current LED Controller

The A6267 is a DC-to-DC converter controller, providing a programmable constant current output for driving high power LEDs in series. Driving the LEDs in series ensures identical currents and uniform brightness. For automotive applications, optimum performance is achieved when driving up to 15 LEDs .

A6267 Features

* ▪ AEC-Q100 Grade 0 Automotive Qualified ▪ Constant current LED drive ▪ 6.5 to 50 V supply ▪ Boost or buck-boost modes ▪ Drives up to 15 LEDs in series ▪ Programmable switching frequency 100 to 700 kHz ▪ Open LED overvoltage indication and protection ▪ Single and multiple LED short indication ▪ LED s

A6267_Allegro.pdf