LP55281 is a quad RGB LED driver for handheld devices. Itcan drive 4 RGB LED sets and a single fun light LED. Theboost DC-DC converter drives high current loads with highefficiency. The RGB driver can drive individual color LEDs orRGB LEDs powered from boost output or external supply.Built-in audio synchronization feature allows user to synchronizethe fun light LED to audio inputs. The flexible SPI/I2Cinterface allows easy control of LP55281. Small Micro SMDor Micro SMDxt package together with minimum number ofexternal components is a best fit for handheld devices.LP55281 has also a LED test feature, which can be used forexample in production for checking the LED connections.