LP3954,pdf datasheet (Advanced

LP3954 is an advanced lighting management unit for handheld
devices. It drives any phone lights including display
backlights, RGB, keypad and camera flash LEDs. The boost
DC-DC converter drives high current loads with high efficiency.
White LED backlight drivers are high efficiency low voltage
structures with excellent matching and automatic fade in/ fade
out function. The new stand-alone command based RGB
controller is feature rich and easy to configure. Built-in audio
synchronization feature allows user to synchronize the color
LEDs to audio input. Integrated high current driver can drive
camera flash LED or motor/vibra. Internal ADC can be used
for ambient light or temperature sensing. The flexible SPI/I2C
interface allows easy control of LP3954. Small micro SMD
package together with minimum number of external components
is a best fit for handheld devices.