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LED Drivers - Backlighting

 

iWatt's DC/DC regulators are targeted for LCD display backlighting in applications such as LCD TVs, Monitors and Notebook computers. Once again, iWatt incorporates proprietary control techniques in the DC/DC converter product line with BroadLED™ technology, which efficiently matches LED current, allowing for the use of low cost LEDs with wider tolerances on their forward voltage. This innovative technology, combined with advanced analog and mixed-signal technology results in power management products that deliver unrivaled power efficiency and exceptional energy savings.

 

Products
Product Key Feature Applications
iW7032 32 Channel, 120mA per Channel, 3D support
Direct backlit or Segment-Edge lit LEDTV, Large Monitors, LCD Information Displays
iW7023 16 Channel, high power LED support
Segment-Edge Dimming LEDTV or Monitors
iW7011*
NEW!		 6-Channel LED driver and Boost Controller
2D and 3D, Edge-Lit and Direct-Lit TVs

*Note that the datasheets for these products are abbreviated versions; for a full copy of a datasheet, contact your local sales representative or email us at marketing@iwatt.com
Family Features
  • BroadLED™ Technology
    • High Current Matching - Better than 2% Channel-to-Channel
    • Allows for Using Low-cost LEDs without Binning
  • Adaptive Switch Mode
    • Automatically Adjusts Current Through Each LED String via PWM Modulation
    • Regulates Current While Minimizing Power Loss
    • Best-in-Class Current Matching with Highest Possible Efficiency
  • Dynamic Voltage Control of External DC/DC Boosts/Bucks
    • Optimize Efficiency by Modulating the Voltage Applied to the LEDs
    • Multiple Control Signals to Cover All DC/DC Converters in the System
  • PWM Dimming
    • Digitally Controlled PWM Dimming with Three Modes - NTSC, PAL and 3D Game
  • LED Fault Protection
    • Open Circuit, Short Circuit and Over-temperature
 
Applications
  • Direct and Segment-Edge LED Backlit LCD TVs
  • LCD Public Information Displays
 

BroadLED™

  • High Integration Enables Small Solution Size
  • Enables Use of Low Cost LEDs
  • Reduced Power Consumption
Resources
Design Tools
 
Patents
All the Backlighting Products are Covered by a Combination of the Following US Patents:

7,928,670; 7,382,308;
7,336,058; 7,474,130;