LP8501
www.ti.com SNVS548D – SEPTEMBER 2008 – REVISED AUGUST 2013 LP8501 Multi-Purpose 9-Output LED Driver
Check for Samples: LP8501 FEATURES DESCRIPTION The LP8501 is an LED driver with 9 outputs,
designed to produce versatile lighting effects for
mobile devices. The device is equipped with an
internal program memory, which allows operation
without processor control. Internal program memory
is used by three independent program execution
engines to produce user-defined lighting effects for
the outputs. 1 2 Three Independent Program Execution
Engines for User-defined Programs with Large
SRAM Memory for Storing Lighting Programs
9 Programmable Source (High Side) Driver
Outputs with 25.5 mA Full-Scale Current, 8-bit
Current Setting Resolution and 12-Bit PWM
Control Resolution
Flexible Grouping Possibility for All 9 Outputs
Including GPO into Three Groups with Group
PWM and Fade-In/ Fade-Out Controls
Built-in LED Test
Adaptive Charge Pump with 1x and 1.5x Gain
Provides up to 95% LED Drive Efficiency, with
Soft Start and Overcurrent/Short Circuit …
