LP55281 Datasheet (National Semiconductor)

LP55281, Quad RGB Driver

LP55281 is a quad RGB LED driver for handheld devices.

It can drive 4 RGB LED sets and a single fun light LED.

The boost DC-DC converter drives high current loads with high efficiency.

The RGB driver can drive individual color LEDs or RGB LEDs powered from boost output or external supply.

Built-in a

LP55281 Features

* Audio synchronization for a single fun light LED 4 PWM controlled RGB LED drivers High efficiency Boost DC-DC converter SPI/I2C compatible interface 2 addresses in I2C compatible interface LED connectivity test through the serial interface Small 36-bump Micr