Datasheet

3Atmel LED Driver-MSL3082

Atmel LED Driver-MSL3082

8-string, High-power, White or RGB LED Driver for TV,

Blacklighting, or Intelligent Solid-state Lighting

Key Features

Application Circuit

• 8-bit PWM String Dimming

• Fast, 1MHz I

C/Smbus Interface Supports up to

16 Devices per Bus

• 4-bit Adaptive Power Correction Maximizes Efficiency

• External Mosfets Allow >0.5a LED String Current

• Drives up to Eight Parallel, High-power Led Strings

• Multiple MSL3082s Share String Supply and

Automatically Negotiate Optimum Voltage

• Supports Adaptive, Real-time 2-D Area Dimming

for Highest Dynamic Range LCD TVs and Monitors

• Programmable String Phase Virtually Eliminates

Motion Blur and Improves Efficiency

• Global LED Intensity Control via Serial Interface

• Supports Direct Pwm Control of all Led Strings

with a Single Pwm Input Signal

• ±1% Current Accuracy and Current Balance

• Video Frame (Vsync) and Line (Hsync) Sync Inputs

• Sync Loss Detectors Optionally Disable Led Strings

• Internal Eeprom Allows Custom Power-up

Default Settings

• String Open Circuit and Led Short Circuit

Fault Detection

• <1µA LED String Off-leakage Current

• External Resistors Set Individual String

Peak Current

• Programmable LED Over-temperature

Compensation

• Automatic Die Over-temperature Protection

• I

C/SMBus Broadcast Mode Simplifies Configuration

• -40°C to +105°C Operating Temperature Range

• Lead-free, Halogen-free, RoHS-compliant Package