Three-channel LED phone flash driver with I²C interface

January 15, 2016 // By Graham Prophet
Skyworks’s (Woburn, Massachusetts) SKY81298 triple channel LED flash driver is optimised for LED flash applications implementing tri-tone flash LED colour compensation, or dual rear LED flash, plus single front LED flash to support “selfie” pictures taken from the front-facing camera.

It is suited for small battery-powered applications, including smartphones and tablets. Independent GPIO or I ²C interfaces support any control requirement. The SKY81298 actively monitors battery/system voltage and reduces flash current automatically to avoid system brownout, allowing the flash to operate over a wider (lower) battery range. The compact 3.62 mm ² device is provided in a 16-bump, 1.903 x 1.903 x 0.605 mm wafer-level chip scale package (WLCSP).

Skyworks ;