1 Features
1• Four Independently Programmable LED Outputs
With 8-Bit Current Setting (From 0 mA to 25.5 mA
With 100-μA Steps) and 8-Bit PWM Control
• Typical LED Output Saturation Voltage 60 mV and
Current Matching 1%
• Flexible PWM Control for LED Outputs
• Automatic Power-Save Mode With External Clock
• Three Program Execution Engines With Flexible
Instruction Set
• Autonomous Operation With Program Execution
Engines
• SRAM Program Memory for Lighting Pattern
Programs
• DSBGA 12-Pin Package, 0.4-mm Pitch

2 Applications
• Fun Lights
• Indicator Lights
• Keypad RGB Backlighting and Phone Cosmetics

3 Description
The LP5562 is a four-channel LED driver designed to
produce variety of lighting effects. The device has a
program memory for creating variety of lighting
sequences. When the program memory has been
loaded, the LP5562 can operate independently
without processor control.
The LP5562 is able to automatically enter power save
mode, when LED outputs are not active and thus
lowering current consumption.
Four independent LED channels have accurate
programmable current sinks, from 0 mA to 25.5 mA
with 100-μA steps and flexible PWM control. Each
channel can be configured into each of the three
program execution engines. Program execution
engines have program memory for creating desired
lighting sequences with PWM control.
The LP5562 has four pin-selectable I2C addresses.
This allows connecting up to four parallel devices in
one I2C bus. The device requires only one small, lowcost
ceramic capacitor.